# Oscillations and Waves (NEET (NTA-National Eligibility cum Medical Entrance Test) Physics): Questions 142 - 146 of 195

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## Question number: 142

» Oscillations and Waves » Simple Pendulum

MCQ▾

### Question

A pendulum suspended from the ceiling of a train has a period T, when the train is at rest. When the train is accelerating with a uniform acceleration a, the period of oscillation will,

### Choices

Choice (4) Response

a.

Remain unaffected

b.

Decrease

c.

Become infinite

d.

Increase

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## Question number: 143

» Oscillations and Waves » Longitudinal and Transverse Waves

Assertion-Reason▾

### Assertion (Ꭺ)

Transverse waves are not produced in liquids and gases.

### Reason (Ꭱ)

Light waves are transverse waves.

### Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

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

c.

Both Ꭺ and Ꭱ are false

d.

Ꭺ is true but Ꭱ is false

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## Question number: 144

» 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.

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## Question number: 145

» 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.

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## Question number: 146

» 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.

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