ENTRANCE TEST – 2010 Multiple Questions and Answers.




66.A 100 kg man is standing in an elevator, which accidently falls freely. What will be the weight of the person in the freely falling elevator (take g=10 m/s2)
A. 1000 N
B. 10 N
C. 500 N
D. Zero

67.Frequency of simple pendulum of length 9.8 m will be
A. 2 π Hertz
B. π/2 Hertz
C. 1/2Ï€ Hertz
D. π/4 Hertz

68.A body performs simple harmonic motion with a period of 0.063 s. The maximum speed of 3.0 ms-1. What are the values of the amplitude ‘xo (m)’ and angular frequency ‘ω (rads-1)’
A. xo = 0.03, ω = 100
B. xo = 0.19, ω = 16
C. xo = 5.3, ω = 16
D. ) xo = 3.3, ω = 100

69.ood being cooked in microwave oven is an example of
A. Beats
B. Overtones
C. Resonance
D. Stationary waves

70.A gas containing ‘N’ number of molecules of a gas having mass of each molecule ‘m’ is in a cubic container having length of each side ‘a’. What is the density of gas contained in cube?
A. N/a2
B. m/a3
C. Nm/a3
D. Na3/m

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