# Oscillations and Waves (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 145 - 150 of 195

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## Question number: 145

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

MCQ▾

### Question

A spring having a spring constant k is loaded with a mass m. The spring is cut into two equal parts and one of these is loaded again with the same mass. The new spring constant is,

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 146

» Oscillations and Waves » Speed of a Wave

MCQ▾

### Question

The amplitude of a wave, represented by displacement equation will be.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 147

» Oscillations and Waves » Periodic Motion - Period Frequency

MCQ▾

### Question

The equation of a plane progressive wave is given by . The frequency of this wave would be,

### Choices

Choice (4) Response

a.

b.

c.

d.

## 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

at time t = 0 and by 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.

b.

c.

d.

## 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.

b.

c.

d.