# Oscillations and Waves-Simple Harmonic Motion (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 20 - 24 of 37

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## Passage

The differential equation of a particle undergoing SHM is given by .

The particle starts from the extreme position.

## Question number: 20 (2 of 2 Based on Passage) Show Passage

» Oscillations and Waves » Simple Harmonic Motion » Phase

MCQ▾

### Question

The equation of motion may be given by:

### Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 21

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

MCQ▾

### Question

A simple pendulum has time period T 1. The point of suspension is now moved upward according to equation y = kt 2 where k = l m/sec 2. If new time period is T 2 then ratio will be

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 22

» Oscillations and Waves » Simple Harmonic Motion » Phase

Assertion-Reason▾

### Assertion (Ꭺ)

In simple harmonic motion, the velocity is maximum, when acceleration is minimum.

### Reason (Ꭱ)

Displacement and velocity of S. H. M. differ in phase by

### Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Ꭺ is true but Ꭱ is false

c.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

## Question number: 23

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

MCQ▾

### Question

A spring of force constant k is cut into two pieces such that one piece is double the length of the other. Then the short piece will have a force constant of

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 24

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

MCQ▾

### Question

A spring of force constant k is cut into two pieces such that one piece is double the length of the other. Then the long piece will have a force constant of

### Choices

Choice (4) Response

a.

b.

c.

d.

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