Oscillations and Waves (NEET Physics): Questions 148 - 151 of 195

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Question number: 148

» Oscillations and Waves » Displacement Relation for a Progressive Wave

MCQ▾

Question

The displacement due to a wave moving in the positive x –direction is given by

Equation at time t = 0 and by Equation at t = 2 seconds, where x and y are in meter. The velocity of the wave in m/s is,

Choices

Choice (4) Response

a.

0.5

b.

2

c.

1

d.

4

Question number: 149

» Oscillations and Waves » Periodic Functions

MCQ▾

Question

Two masses m 1 and m 2 are suspended together by a massless spring of constant k. When the masses are in equilibrium, m 1 is removed without disturbing the system. The amplitude of oscillations is,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 150

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

MCQ▾

Question

A particle of mass m is attached to three identical springs A, B and C each of force constant k. If the particle of mass m is pushed slightly against the spring A and released then the time period of oscillations is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 151

» Oscillations and Waves » Displacement Relation for a Progressive Wave

MCQ▾

Question

A wave travelling in positive X-direction with A = 1.2 m has a velocity of 240 m/sec. If λ = 40 m, then correct expression for the wave is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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