Oscillations and Waves (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 133 - 136 of 195

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Question number: 133

» Oscillations and Waves » Simple Pendulum

MCQ▾

Question

A simple pendulum is set up in a trolley which moves to the right with an acceleration a on a horizontal plane. Then the thread of the pendulum in the mean position makes an angle θ with the vertical is

Choices

Choice (4) Response

a.

Equation in the forward direction

b.

Equation in the backward direction

c.

Equation in the forward direction

d.

Equation in the backward direction

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Question number: 134

» Oscillations and Waves » Simple Harmonic Motion » Oscillations of a Spring

MCQ▾

Question

Three masses 600g, 300g, and 200g are suspended at the end of a spring are in equilibrium. When the 600g mass is removed, the system oscillates with a period of 4 seconds, when the 300 gm mass is also removed, it will oscillate with a period of

Choices

Choice (4) Response

a.

2 s

b.

1 s

c.

Equation

d.

2.53 s

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Question number: 135

» Oscillations and Waves » Speed of a Wave

MCQ▾

Question

A man is standing between two parallel cliffs and fires a gun. If he hears first and second echoes after 1.5 s and 3.5s respectively, the distance between the cliffs is (Velocity of sound in air = 340 ms -1)

Choices

Choice (4) Response

a.

510 m

b.

850 m

c.

595 m

d.

1190 m

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Question number: 136

» Oscillations and Waves » Displacement Relation for a Progressive Wave

MCQ▾

Question

The equation of a progressive wave is given by Equation where x and y are in meter and t is in second. The velocity of the wave is,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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