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JEE 2020 Physics: Oscillations and waves Quiz 3 (23.08.2019)

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Question 1

A ball is rolling without slipping in a spherical shallow bowl (radius

) as shown in the figure and is executing simple harmonic motion. If the radius of the ball is doubled, the period of oscillation

Question 2

Which of the following statement does not hold good regarding SHM?

Question 3

Which of the following are the examples of S.H.M:
a) String of a guitar
b) Oscillations of a loaded spring
c) Oscillations of a floating cylinder
d) Spinning of a football

Question 4

The question has FOUR options. ONLY ONE of these four options is the correct answer.

A Particle executes SHM with time period 8 s. Initially, it is at its mean position. The ratio of distance travelled by it in the 1^st second to that of in the 2^nd second is

Question 5

A 2 Kg block moving with 10 m/s strikes a spring of constant π² N/m attached to 2 Kg block at rest kept on a smooth floor. The velocity of the rear 2 kg block after it separates from the spring will be

Question 6

Two tuning forks A and B produce 4 beats/sec. Forks B and C produce 5 beats/sec. Forks A and C may produce ……. beats/sec.

Question 7

When a stationary wave is formed, then its frequency is

Question 8

Doppler’s effect will not be applicable when the velocity of sound source is

Question 9

A plane progressive wave is given by y = 2cos6.284 (330t-x). What is the period of the wave?

Question 10

If the velocity of sound is V, velocity of the observer is V₀ and the velocity of the source is V_s, then the necessary condition for the Doppler effect to hold good is -

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Feb 4JEE & BITSAT