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Physic Oscillations and Waves Test Online MCQs

Test Name	Oscillations and Waves MCQs Test
Subject	Physics
Test Type	MCQs
Total Question	15
Total Marks	30
Total Time	15 Mints
Test Help For	Physics Subject Test Prep. All Admissions Test. All Jobs and recruitment Test prep. Medical and BDS Test prep. Engineering and B Tech Test prep.

Oscillations and Waves MCQs Test is available for the visitors to check their knowledge and also these questioning will improve their information. Oscillations and Waves MCQs Test is helpful for the preparation of Physics subject exams, admission test and other written tests.

Physic Oscillations and Waves Test Online MCQs

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Physics

1. A particle execute simple harmonic motion with an angular velocity of 3.5 rad/ sec and maximum acceleration 7.5 m/s². The amplitude of oscillation will be:

0.36 m

0.53 cm

0.28 m

0.61 m

Question 1 of 15

2. Two identical springs of spring constant k are connected in series and parallel as shown in figure. A mass M is suspended from them.

The ratio of their frequencies of vertical oscillation will be:

1:2

2:1

4:1

1:4

Question 2 of 15

3. A sings with a frequency (n) and B sings with a frequency 1/8 that of A. If the energy remains the same and the amplitude of A is a, then amplitude of B will be:

Question 3 of 15

4. SONAR emits which of the following waves?

Radio waves

Electromagnetic waves

Ultra sound waves

Light waves

Question 4 of 15

5. A spring is vibrating with frequency under same mass. If it is cut into two equal pieces and same mass is suspended then the new frequency will be:

n/2

n√2

n/√2

Question 5 of 15

6. The tension in a piano wire is 10 N. The tension in a piano wire to produce a node of double frequency is:

40 N

120 N

20 N

10 N

Question 6 of 15

7. At which temperature velocity if sound (at 27°C) doubles?

927°C

54°C

327°C

-123°C

Question 7 of 15

8. An object producing a pitch of 1200 Hz is moving with a velocity of 50 m/s towards a stationary person. The velocity of sound is 350 m/s. The frequency of sound heard by the stationary person is:

700 Hz

1050 Hz

1250 Hz

1400 Hz

Question 8 of 15

9. A transverse wave passes through a string with the equation : y = 10 sin π (0.02x – 2.00t) where x is in meter and t in second. The maximum velocity of the particle in wave motion is:

100 m/s

161 m/s

120 m/s

63 m/s

Question 9 of 15

10. If the metal bob of a simple pendulum is replaced by a wodden bob, then its time period will be:

The same

Decreased

First (c) then (a)

Increased

Question 10 of 15

11. Standing waves are produced in 10 m long stretched string. If the string vibrates in 5 segments and wave velocity is 20 m/s then its frequency will be:

2 Hz

4 Hz

10 Hz

5 Hz

Question 11 of 15

12. The equation of a travelling wave is y = 60 cos (1800t – 6x) Where y is in microns, t in second and x in meter. The ratio of maximum particle velocity to the velocity of wave propagation is:

None of these

3.6 x 10⁻⁴

3.6 x 10⁻⁶

3.6 x 10⁻⁸

Question 12 of 15

13. The air column in a pipe which is closed at one end will be in resonance with a vibrating tuning fork at a frequency 260 Hz. The length of the air column is:

35.75 cm

31.92 cm

12.5 cm

62.5 cm

Question 13 of 15

14. Which one of the following statement is not correct for a particle executing S.H.M?

Total energy of the particle always remains the same

Restoring force is always directed towards a fixed point

Restoring force is maximum at the extreme position

Acceleration of the particle is minimum at the mean position

Question 14 of 15

15. In arrangement given in figure if the block of mass m is displaced the frequency is given by:

n = 1/2π √(m/ k₁ + k₂)

n = 1/2π √(m/ k₁ - k₂)

n = 1/2π √(k₁ + k₂/m)

n = 1/2π √(k₁ - k₂/m)

Question 15 of 15

Test By Subject	Physics
Test By Topics	Physics Subject

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2021-01-16

Test Advisor

Physic Oscillations and Waves Test Online MCQs

Physic Oscillations and Waves Test Online MCQs

Physics

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