Oscillations and Waves (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 143 - 147 of 195

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Question number: 143

» 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: 144

» 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: 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.

Equation

b.

Equation

c.

Equation

d.

Equation

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Question number: 146

» Oscillations and Waves » Speed of a Wave

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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Question number: 147

» Oscillations and Waves » Periodic Motion - Period Frequency

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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