Physics Oscillations Test Online Preparation Mcqs

Physics Oscillations Test Online Preparation Mcqs With Answers Start Below

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Question 1 of 15

1. The time period of a second’s pendulum is

A. 3 seconds

B. 4 seconds

C. 2 seconds

D. 6 seconds

Question 1 of 15

Question 2 of 15

2. If the mass of the spring-mass oscillator become half the squared frequency will be

A. Half

B. Remain same

C. Double

D. Quadruple

Question 2 of 15

Question 3 of 15

3. SMH described by x = cos(t), has frequency of

A. Cannot be predicted

B. 1/2π Hz

C. 2πHz

D. πHz

Question 3 of 15

Question 4 of 15

4. Phase of SHM describes

A. Neither displacement nor direction of motion

B. Displacement only

C. Direction of motion only

D. Both displacement and direction of motion

Question 4 of 15

Question 5 of 15

5. In case of simple pendulum, the cause of damping is

A. Tension in string

B. Gravity

C. None of these

D. Drag force of air

Question 5 of 15

Question 6 of 15

6. Which one does not work according to resonance?

A. Bulb

B. T.V

C. Radio

D. Microwave oven

Question 6 of 15

Question 7 of 15

7. simple pendulum suspended from the ceiling of a lift has time period T when the lift is at rest. When the lift falls freely then its

A. Time period becomes zero

B. Vibration is stopped

C. Frequency becomes infinity

D. Acceleration becomes zero

Question 7 of 15

Question 8 of 15

8. The energy of SMH is maximum at

A. Mean position

B. In between mean and extreme

C. Extreme position

D. All position during SHM

Question 8 of 15

Question 9 of 15

9. The maximum velocity of SHM is a₀ the period of oscillation is

A. 2πx0/a0

B. 2πa0x0

C. 2π/a0x0

D. 2πa0/x0

Question 9 of 15

Question 10 of 15

10. In damped harmonic oscillation, which one decreases?

A. Neither amplitude nor energy

B. Both amplitude and energy

C. Energy of vibration

D. Amplitude of vibration

Question 10 of 15

Question 11 of 15

11. Which of the given equation is correct in SHM

A. All are correct

B. T.E = P.Emax

C. T.E = ½ kx02

D. T.E = K.Emax

Question 11 of 15

Question 12 of 15

12. Electrical resonance is observed in

A. Neither in radio nor in microwave oven

B. Radio

C. Microwave oven

D. Both in radio and microwave oven

Question 12 of 15

Question 13 of 15

13. The displacement of SHM is written as x = x₀ sinωt. If displacement is written by x = x₀cos ωt then phase constant will be equal to

A. 90°

B. 180°

C. 45°

D. 0°

Question 13 of 15

Question 14 of 15

14. The projection of the particle moving in a circle with non uniform angular speed executes.

A. S.H.M.

B. Both b and d

C. None S.H.M.

D. S.H.M.

Question 14 of 15

Question 15 of 15

15. In S.H.M. the velocity of a particle is maximum at

A. Extreme position

B. Middle between mean and extreme position on the right side

C. Middle between mean and extreme position on the left side

D. Mean position

Question 15 of 15

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Physics Oscillations Test Online Preparation Mcqs

Physics Oscillations Test Online Preparation Mcqs With Answers Start Below

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