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## AIEEE Physics (2009)

Created by Quizmagic Team on Jan 09, 2013 06:55 PM.
`There are 10 questions of AIEEE Physics 2009 examination. Prepare yourself for 'All India Engineering Entrance Examination'.`
Top 5 Scores
 142 00:20 135 00:30 75 00:44 69 00:37 68 00:25
 Questions 09 Minutes 15 High Score 142 00:20 Quiz Played 177 times
Last played on Jul 26, 2020View comments
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### Sample Questions

Question 1
A motor cycle starts from rest and accelerates along a straight path at 2 m/s2. At the starting point of the motor cycle there is a stationary electric sire. How far has the motor cycle gone when the driver hears the frequency of the siren at 94% of its value when the motor cycle was at rest? (speed of sound = 330 ms-1)
 49 m 147 m 98 m 196 m
Question 2
The surface of a metal is illuminated with the light of 400 nm. The kinetic energy of the ejected photoelectrons was found to be 1.68 eV. The work function of the metal is (hc = 1240 eV nm)
 3.09 eV 1.68 eV 1.41 eV 151 eV
Question 3
Two points P and Q are maintained at the potentials of 10V and -4V respectively. The work done in moving 100 electrons from P to Q is
 9.60 x 10-17 J 2.24 x 10-16 J -19 x 10-17 J -2.24 x 10-16 J
Question 4
A mixture of light, consisting of wavelength 590 nm and an unknown wavelength, illuminates Young’s double slit and gives rise to two overlapping interference patterns on the screen. The central maximum of both lights coincide. Further, it is observed that the third bright fringe of known lightcoincides with the 4th bright fringe of the unknown light. From this data, the wavelength of theunknown light is
 776.8 nm 393.4 nm  -19 x 10-17 J 885.0 nm 442.5 nm
Question 5
This question contains Statement-1 and Statement-2. Of the four choices given after the statements,choose the one that best describes the two statements. Statement-1: The temperature dependence of resistance is usually given as R = Ro(1 + α∆ t). Theresistance of a wire changes from 100 Ω to 150 Ω when its temperature is increased from 27oC to 227oC. This implies that α = 2.5 × 10-3/oC .Statement 2:  R = Ri(1 + α∆ T) is valid only when the change in the temperature ∆T is small and ∆R =(R - Ro) << Ro
 Statement-1 is true, Statement-2 is true; Statement-2 is not the correct explanation of Statement-1. Statement-1 is false, Statement-2 is true Statement-1 is true, Statement-2 is false Statement-1 is true, Statement-2 is true; Statement-2 is the correct explanation of Statement-1.