VITEEE 2009 Sample Question Papers - Physics
VITEEE 2009 Sample Question Papers - Chemistry - PART – 1 [PHYSICS] 1. In nature, the electric charge of any system is always– Ans: Quantisation of charge Choice (D) 2. The energy stored in the capacitor as shown in Fig. (a) is 4.5 ´ 10- 6 J. If the battery is replaced by – Ans: = 4.5 ´ 10- 6 J Choice (B) 3. Equal amounts of a metal are converted into cylindrical wires of different lengths (L) and cross-sectional – Ans: R = Choice © 4. If the force exerted by an electric dipole on a charge q at a distance of 1 m is F, the force– Ans: Choice (D) 5. A solid sphere of radius R 1 and volume charge density r = is enclosed by a hollow sphere of radius R2 with negative surface charge density– Ans: Q in = = = 4p R22s Choice © 6. A solid spherical conductor of radius R has a spherical cavity of radius a9a < R) at its centre. A charge +Q is kept at the center.– Ans: Choice (B) 7. A cylindrical capacitor has charge Q and length L. If both – Ans: U 1 = U 2 = Choice (B) 8. Three resistances of 4 W each are connected as shown in figure. If the point D divides the resistance – Ans: Choice © 9. The resistance of a metal increases with increasing – Ans: Vibration of lattice ions increases with temperature Choice (B) 10. In the absence of applied potential, the electric current flowing through- Ans: Thermal velocity of electrons is in random directions Choice © 11. A meter bridge is used to determine the resistance of an unknown wire by measuring the balance point length l. If the wire is replaced by – Ans: 12. Identify the INCORRECT statement regarding – Ans: Supercurrent always flows on the surface of the superconductor Choice (B) 13. A sample of HCl gas is placed in an electric field of 3 ´ 104 NC- 1. The dipole moment of each HCl molecule is – Ans: t = pE Choice © 14. When a metallic plate swings between the – Ans: Lenz’s law Choice © 15. When an electrical appliance is switched on, it responds almost- Ans: Electromagnetic waves travel with the speed of light Choice (B) 16. Two identical incandescent light bulbs are connected as shown in the figure. When the circuit is an AC voltage source– Ans: At resonance XL = XC Choice (B) 17. A transformer rated at 10 kW is used to connect a 5 kV transmission line to a 240 V circuit. The ratio – Ans: n = Choice (B) 18. Three solenoid coils of same dimension, same number of turns and same number of layers of winding are taken. Coil 1 with inductance L1 was wound using a Mn wire of resistance 11 W / m; – Ans: Alternate winding in opposite direction total flux = 0 Choice © 19. Light travels with a speed of 2 ´ 108 m/s in crown glass of refractive index 1.5. What is the speed of light – Ans: n 1v1 = n2v2 Choice (B) 20. A parallel beam of fast moving electrons is incident normally on a narrow slit. A screen is placed at a large distance from the slit.– Ans: sinq = Choice © 21. Two beams of light will not give rise to an – Ans: Since the polarization vectors are perpendicular their vector sum ¹ 0 Choice © 22. A slit of width Ans: Moving clocks are slower TB < TA Choice (A) 30. 234U has 92 protons and 234 nucleons total in its nucleus. It decays by emitting an alpha – Ans: 234U92 Ã 230Th90 + a Choice © 31. Ka and Kb x-rays are emitted when there is a transition of electron – Ans: K series end in n = 1 Choice (A) 32. A certain radioactive material ZXA starts emitting a and b particles successively such that the end product – Ans: ZXA Ã Z- 3YA- 8 + 2a + 1b Choice (B) 33. In the circuit shown above, an input of 1 V is fed into the inverting input of an ideal Op-amp A. The output signal – Ans: = - 10 (negative feedback) Choice (B) 34. When a solid with a band gap has a donor level just below its empty energy band, - Ans: Knowledge based Choice (D) 35. A p – n junction has acceptor impurity concentration of 1017 cm- 3 in the P side and donor impurity concentration of 1016 cm- 3 in the N side. What is the contact potential at the – Ans: V contact = Choice (A) 36. A zener diode has a contact potential of 1 V in the absence of biasing. It undergoes zener breakdown for an electric field of 106 V/m at the depletion region of p-n junction. If the width – Ans: V = Ed Choice (B) 37. In Colpitt oscillator the feedback network – Ans: a-c equivalent circuit. Choice (B) 38. The reverse saturation of p-n diode Ans: Knowledge based Choice (D) 39. A radio station has two channels. One is AM at 1020 kHz and the other FM at 89.5 MHz. – Ans: Knowledge based Choice (A) 40. The communication using optical fibers is – Ans: Optic fibre uses T.I.R. Choice (A) source:-http://www.time4education.com
a’ is illuminated with a monochromatic light of wavelength </span><span style="font-size: 9pt; font-family: Symbol;"><span style="">l</span> </span><span style="font-size: 9pt; font-family: Arial;"> from a distant source and the diffraction pattern –</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"> </span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><strong style=""><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span> </span></strong><span style="font-size: 9pt; font-family: Arial;">Ans:<span style=""> </span>sin</span><span style="font-size: 9pt; font-family: Symbol;"><span style="">q</span> </span><span style="font-size: 9pt; font-family: Arial;"> = <sub><!--[if gte vml 1]><v:shape id=_x0000_i1037style="WIDTH: 11.25pt; HEIGHT: 24.75pt" o:ole="" type = "#_x0000_t75"coordsize = "21600,21600"><v:imagedata o:title="" src ="VITEEE-Actual%20Solution%20&%20key_files/image025.wmz"></v:imagedata></v:shape><![endif]--> <!--[if !vml]--><img height="33" width="15" alt="" src="../../../../../images/physics/image026.gif" v:shapes="_x0000_i1037" /><!--[endif]--></sub><!--[if gte mso 9]><xml><o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1037"DrawAspect="Content" ObjectID="_1270136794"></o:OLEObject></xml><![endif]--></span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span><span style=""> </span>Choice (B)</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"> </span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><strong style=""><span style="font-size: 9pt; font-family: Arial;">23</span></strong><span style="font-size: 9pt; font-family: Arial;">.<span style=""> </span>A thin film of soap solution (n = 1.4) lies on the top of a glass plate (n = 1.5). When visible light is incident almost normal to the plate, two adjacent reflection –</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"> </span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><strong style=""><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span> </span></strong><span style="font-size: 9pt; font-family: Arial;">Ans:<span style=""> </span>n<sub> 1</sub></span><span style="font-size: 9pt; font-family: Symbol;"><span style="">l</span> </span><sub><span style="font-size: 9pt; font-family: Arial;">1</span></sub><span style="font-size: 9pt; font-family: Arial;"> = n<sub>2</sub></span><span style="font-size: 9pt; font-family: Symbol;"><span style="">l</span> </span><sub><span style="font-size: 9pt; font-family: Arial;">2</span></sub><span style="font-size: 9pt; font-family: Arial;"> </span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><strong style=""><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span> </span></strong><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span>2n<sub> 1</sub> = 3n<sub>2</sub></span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><strong style=""><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span> </span></strong><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span> </span><span style="font-size: 9pt; font-family: Symbol;"><span style="">Þ</span> </span><span style="font-size: 9pt; font-family: Arial;"> n<sub>1</sub> = 3</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><strong style=""><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span> </span></strong><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span>d = <sub><!--[if gte vml 1]><v:shapeid=_x0000_i1038 style="WIDTH: 48pt; HEIGHT: 24.75pt" o:ole="" type ="#_x0000_t75" coordsize = "21600,21600"><v:imagedata o:title="" src ="VITEEE-Actual%20Solution%20&%20key_files/image027.wmz"></v:imagedata></v:shape><![endif]--> <!--[if !vml]--><img height="33" width="64" alt="" src="../../../../../images/physics/image028.gif" v:shapes="_x0000_i1038" /><!--[endif]--></sub><!--[if gte mso 9]><xml><o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1038"DrawAspect="Content" ObjectID="_1270136795"></o:OLEObject></xml><![endif]-->= 450</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span><span style=""> </span>Choice (B)</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"> </span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><strong style=""><span style="font-size: 9pt; font-family: Arial;">24</span></strong><span style="font-size: 9pt; font-family: Arial;">.<span style=""> </span>If the speed of a wave doubles as it passes from shallow water into deeper water, –</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"> </span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><strong style=""><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span> </span></strong><span style="font-size: 9pt; font-family: Arial;">Ans:<span style=""> </span>c = f</span><span style="font-size: 9pt; font-family: Symbol;"><span style="">l</span> </span><span style="font-size: 9pt; font-family: Arial;"> </span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span><span style=""> </span>Choice (C)</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"> </span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><strong style=""><span style="font-size: 9pt; font-family: Arial;">25</span></strong><span style="font-size: 9pt; font-family: Arial;">.<span style=""> </span>A light whose frequency is equal to 6 </span><span style="font-size: 9pt; font-family: Symbol;"><span style="">´</span> </span><span style="font-size: 9pt; font-family: Arial;"> 10<sup>14</sup> Hz is incident on a metal whose work function is <br />
2 eV –</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"> </span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><strong style=""><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span> </span></strong><span style="font-size: 9pt; font-family: Arial;">Ans:<span style=""> </span>h</span><span style="font-size: 9pt; font-family: Symbol;"><span style="">u</span> </span><span style="font-size: 9pt; font-family: Arial;"> = </span><span style="font-size: 9pt; font-family: Symbol;"><span style="">f</span> </span><span style="font-size: 9pt; font-family: Arial;"> + K.E</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span><span style=""> </span>Choice (C)</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"> </span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><strong style=""><span style="font-size: 9pt; font-family: Arial;">26</span></strong><span style="font-size: 9pt; font-family: Arial;">.<span style=""> </span>An electron microscope is used to probe the atomic arrangements to a resolution of <sub><!--[if gte vml 1]><v:shape id=_x0000_i1039style="WIDTH: 17.25pt; HEIGHT: 21pt" o:ole="" type = "#_x0000_t75"coordsize = "21600,21600"><v:imagedata o:title="" src ="VITEEE-Actual%20Solution%20&%20key_files/image029.wmz"></v:imagedata></v:shape><![endif]--> <!--[if !vml]--><img height="28" width="23" alt="" src="../../../../../images/physics/image030.gif" v:shapes="_x0000_i1039" /><!--[endif]--></sub><!--[if gte mso 9]><xml><o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1039"DrawAspect="Content" ObjectID="_1270136796"></o:OLEObject></xml><![endif]-->. What should be the electric potential –</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"> </span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><strong style=""><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span> </span></strong><span style="font-size: 9pt; font-family: Arial;">Ans:<span style=""> </span><sub> <!--[if gte vml 1]><v:shape id=_x0000_i1040style="WIDTH: 53.25pt; HEIGHT: 30.75pt" o:ole="" type = "#_x0000_t75"coordsize = "21600,21600"><v:imagedata o:title="" src ="VITEEE-Actual%20Solution%20&%20key_files/image031.wmz"></v:imagedata></v:shape><![endif]--> <!--[if !vml]--><img height="41" width="71" alt="" src="../../../../../images/physics/image032.gif" v:shapes="_x0000_i1040" /><!--[endif]--></sub><!--[if gte mso 9]><xml><o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1040"DrawAspect="Content" ObjectID="_1270136797"></o:OLEObject></xml><![endif]--></span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span><span style=""> </span>Choice (D)</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"> </span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><strong style=""><span style="font-size: 9pt; font-family: Arial;">27</span></strong><span style="font-size: 9pt; font-family: Arial;">.<span style=""> </span>Which phenomenon best supports the theory that matter –</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"> </span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><strong style=""><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span> </span></strong><span style="font-size: 9pt; font-family: Arial;">Ans:<span style=""> </span>Electrons behave also as waves of </span><span style="font-size: 9pt; font-family: Symbol;"><span style="">l</span> </span><span style="font-size: 9pt; font-family: Arial;"> = <sub><!--[if gte vml 1]><v:shape id=_x0000_i1041style="WIDTH: 11.25pt; HEIGHT: 26.25pt" o:ole="" type = "#_x0000_t75"coordsize = "21600,21600"><v:imagedata o:title="" src ="VITEEE-Actual%20Solution%20&%20key_files/image033.wmz"></v:imagedata></v:shape><![endif]--> <!--[if !vml]--><img height="35" width="15" alt="" src="../../../../../images/physics/image034.gif" v:shapes="_x0000_i1041" /><!--[endif]--></sub><!--[if gte mso 9]><xml><o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1041"DrawAspect="Content" ObjectID="_1270136798"></o:OLEObject></xml><![endif]--></span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span><span style=""> </span>Choice (B)</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"> </span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><strong style=""><span style="font-size: 9pt; font-family: Arial;">28</span></strong><span style="font-size: 9pt; font-family: Arial;">.<span style=""> </span>The radioactivity of a certain material drops to <sub><!--[if gte vml 1]><v:shape id=_x0000_i1042style="WIDTH: 15pt; HEIGHT: 24.75pt" o:ole="" type = "#_x0000_t75"coordsize = "21600,21600"><v:imagedata o:title="" src ="VITEEE-Actual%20Solution%20&%20key_files/image035.wmz"></v:imagedata></v:shape><![endif]--> <!--[if !vml]--><img height="33" width="20" alt="" src="../../../../../images/physics/image036.gif" v:shapes="_x0000_i1042" /><!--[endif]--></sub><!--[if gte mso 9]><xml><o:OLEObject Type="Embed" ProgID="Equation.3" ShapeID="_x0000_i1042"DrawAspect="Content" ObjectID="_1270136799"></o:OLEObject></xml><![endif]-->of the initial value in 2 hours. The half –</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"> </span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><strong style=""><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span> </span></strong><span style="font-size: 9pt; font-family: Arial;">Ans:<span style=""> </span>Activity changes from A<sub>0</sub> to A<sub>0</sub>/16 implies 4 <span style=""> </span>half-lives.</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"><span style=""> </span><span style=""> </span>Choice (C)</span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><span style="font-size: 9pt; font-family: Arial;"> </span></p>
<p class="MsoNormal" style="margin-left: 0.25in; text-indent: -0.25in; line-height: 12.5pt; text-align: justify;"><strong style=""><span style="font-size: 9pt; font-family: Arial;">29</span></strong><span style="font-size: 9pt; font-family: Arial;">.<span style=""> </span>An observer
A’ sees an asteroid with a radioactive element moving by at a speed = 0.3 c and measures the radioactivity decay time to be TA. Another observer `B’ –
VITEEE 2009 Sample Question Papers - Chemistry
VITEEE 2009 Sample Question Papers - Mathematics
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Detailed Information - Vellore Institute Of Technology (VIT) This article is for all those people who have agood rank in aieee and also a good stream in vit. After seeing a no of aspirants in this forum looking for advice i try to spread a