Oscillations and Waves (NEET Physics): Questions 26 - 30 of 192

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Question number: 26

» Oscillations and Waves » Periodic Motion - Period Frequency

MCQ▾

Question

The displacement x (in meters) of a particle performing simple harmonic motion is related to time t (in seconds) as x=0.05cos[4πt+π4] . The frequency of the motion will,

Choices

Choice (4) Response
a.

1.0 Hz

b.

1.5 Hz

c.

0.5 Hz

d.

2.0 Hz

Question number: 27

» Oscillations and Waves » Displacement as a Function of Time

MCQ▾

Question

The displacement of a particle executing S. H. M is given by y=0.65sin400t meters.

The maximum speed of the particle and amplitude of the motion is,

Choices

Choice (4) Response
a.

100 m/s and 1.30 m

b.

260 m/sec and 0.65 m

c.

250 m/s and 0.65 m

d.

200 cm/sec, and 0.65 m

Question number: 28

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

MCQ▾

Question

A particle of mass m is attached to three identical springs A, B and C each of force constant k. If the particle of mass m is pushed slightly against the spring A and released then the time period of oscillations is

Choices

Choice (4) Response
a.

2πm2k

b.

2πmk

c.

2π2mk

d.

2πm3k

Question number: 29

» Oscillations and Waves » Displacement as a Function of Time

MCQ▾

Question

A particle is performing simple harmonic motion along x-axis with amplitude 4 cm and time period 1.2 sec. The minimum time taken by the particle to move from x = 2 cm to x =+ 4 cm and back again is given by,

Choices

Choice (4) Response
a.

0.2 sec

b.

0.6 sec

c.

0.4 sec

d.

0.3 sec

Question number: 30

» Oscillations and Waves » Simple Harmonic Motion » Energy

MCQ▾

Question

A particle executes simple harmonic motion with a frequency f. The frequency with which its kinetic energy oscillates is

Choices

Choice (4) Response
a.

f

b.

4f

c.

f2

d.

2f

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