Oscillations and Waves (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 130 - 134 of 195

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Question number: 130

» Oscillations and Waves » Free Forced and Damped Oscillations

Assertion-Reason▾

Question

Assertion (Ꭺ)

Damping decreases the time period of oscillation of a simple pendulum.

Reason (Ꭱ)

Damped oscillation implies loss of energy.

Choices

Choice (4) Response

a.

Ꭺ is true but Ꭱ is false

b.

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

c.

Ꭺ is false but Ꭱ is true

d.

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

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Question number: 131

» Oscillations and Waves » Longitudinal and Transverse Waves

MCQ▾

Question

Equation of motion in the same direction is given by , . The amplitude of the resultant particle will be,

Choices

Choice (4) Response

a.

b.

c.

d.

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Question number: 132

» Oscillations and Waves » Displacement Relation for a Progressive Wave

MCQ▾

Question

The equation of a wave is given as .

Where x is in meter and t in sec, then the correct statement is,

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

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Question number: 133

» Oscillations and Waves » Longitudinal and Transverse Waves

MCQ▾

Question

A transverse wave is described by the equation . The maximum particle velocity is four times the wave velocity if

Choices

Choice (4) Response

a.

b.

c.

d.

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Question number: 134

» Oscillations and Waves » Simple Pendulum

MCQ▾

Question

A simple pendulum is set up in a trolley which moves to the right with an acceleration a on a horizontal plane. Then the thread of the pendulum in the mean position makes an angle θ with the vertical is

Choices

Choice (4) Response

a.

in the forward direction

b.

in the backward direction

c.

in the forward direction

d.

in the backward direction

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