Velocity of sound in vacuum is ____________________?

Related Mcqs:

1. The velocity of sound in air would become double than its velocity at 0°C at temperature ?

   A. 313°C
   B. 586°C
   C. 819°C
   D. 1172°C

2. The velocity of sound in air would become double than its velocity at 0°C at temperature________________?

   A. 313°C
   B. 586°C
   C. 819°C
   D. 1172°C

3. Sound waves do not travel in vacuum because ___________________?

   A. they are transverse waves
   B. they are stationary waves
   C. they require material medium for propagation
   D. they do not have enough energy

4. Which of the following waves have smallest velocity in vacuum?

   A. Ultraviolet
   B. Sound
   C. Infra-Red
   D. Micro

   Submitted by: Malik Asghar Hussain

5. Name the branch of science which deals with the study of sound and sound waves?

   A. Aeronautics
   B. Acoustics
   C. Aerostatics
   D. Aetiology

   Submitted by: ABDUL HAYEE

6. The velocity of sound is greatest in___________________?

   A. Water
   B. air
   C. copper
   D. ammonia

7. Increase in velocity of sound in the air for 1°C rise in temperature is_________________?

   A. 1.61 ms-1
   B. 61.0 ms-1
   C. 0.61 ms-1
   D. 2.00 ms-1

8. What is the ratio of the velocity of sound at 4 atmosphere to that at 1 atmosphere?

   A. 4 : 1
   B. 1 : 1
   C. 2 : 1
   D. 1 : 2

   Submitted by: Tauseef Ali

9. hen a body moves in a circle, the angle between its linear velocity and angular velocity is always_______________?

   WA. 180°
   B. 0°
   C. 90°
   D. 45°

10. A man is in a car is moving with velocity of 36km/hr. His speed with repect to the car is ____________________?

    A. 10m/s
    B. 36m/s
    C. zero
    D. infinite