NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1773 - 1776 of 2184

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Question number: 1773

» Oscillations and Waves » Longitudinal and Transverse Waves

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Question

A transverse wave is described by the equation . The maximum particle velocity is four times the wave velocity if

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1774

» Oscillations and Waves » Simple Pendulum

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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.

in the backward direction

b.

in the forward direction

c.

in the backward direction

d.

in the forward direction

Question number: 1775

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

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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.

2.53 s

d.

Question number: 1776

» Oscillations and Waves » Speed of a Wave

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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.

1190 m

b.

595 m

c.

510 m

d.

850 m