# Oscillations and Waves (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 31 - 35 of 195

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## Question number: 31

» Oscillations and Waves » Simple Harmonic Motion » Force, Velocity, and Acceleration

Assertion-Reason▾

### Assertion (Ꭺ)

Consider motion for a mass spring system under gravity, motion of M is not a simple harmonic motion unless Mg is negligibly small.

### Reason (Ꭱ)

For simple harmonic motion acceleration must be proportional to displacement and is directed towards the mean position.

### Choices

Choice (4) Response

a.

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

b.

Ꭺ is false but Ꭱ is true

c.

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

d.

Ꭺ is true but Ꭱ is false

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## Question number: 32

» Oscillations and Waves » Periodic Functions

MCQ▾

### Question

A particle executes a simple harmonic motion of time period T. Find the time taken by the particle to go directly from its mean position to half the amplitude

### Choices

Choice (4) Response

a.

b.

c.

d.

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## Question number: 33

» Oscillations and Waves » Periodic Motion - Period Frequency

MCQ▾

### Question

A simple pendulum is executing simple harmonic motion with a time period . If the length of the pendulum is increased by 15%, the percentage increase in the time period of the pendulum of is,

### Choices

Choice (4) Response

a.

7.5%

b.

30%

c.

5%

d.

11%

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## Question number: 34

» Oscillations and Waves » Periodic Motion - Period Frequency

MCQ▾

### Question

The amplitude of a particle executing S. H. M. with frequency of 60 Hz is 0.01 m. The maximum value of the acceleration of the particle is

### Choices

Choice (4) Response

a.

b.

c.

d.

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## Question number: 35

» Oscillations and Waves » Simple Harmonic Motion » Energy

MCQ▾

### Question

A particle is executing simple harmonic motion with frequency. The frequency at which its kinetic energy changes into potential energy is

### Choices

Choice (4) Response

a.

b.

f

c.

2 f

d.

4 f

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