Sound waves do not travel in vacuum because ___________________?

Related Mcqs:

1. 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...

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

   A. Ultraviolet B. Sound C. Infra-Red D. Micro Submitted by: Malik Asghar Hussain...

3. Electromagnetic waves travel in free space with the speed of___________________?

   A. λ-rays B. Positive rays C. Cathode rays D. More than sound waves...

4. Velocity of sound in vacuum is ____________________?

   A. 332 ms-1 B. 320 ms-1 C. Zero D. 224 ms-1...

5. Laplace found that the alternate compressions and rarefactions produced in sound waves follows ________________?

   A. isothermal law B. adiabatic law C. isochoric law D. all of the above...

6. According to Newton sound travel in air under the conditions of_____________________?

   A. adiabatic B. isothermal C. isobaric D. isochoric...

7. When an electron moving with a uniform speed in a vacuum enters a magnetic field in a direction perpendicular to the field the subsequent path of the electron is ___________________?

   A. a straight line parallel to the field B. a parabola in a plane perpendicular to the field C. a circle in a plane perpendicular to the field D. a straight line along its initial direction...

8. Waves transmit ________________ from one place to another?

   A. energy B. mass C. both D. none...

9. When two identical traveling waves are superimposed, the velocity of the resultant wave__________________?

   A. decreases B. increases C. remains unchanged D. becomes zero...

10. Waves produced at the surface of water by a pencil executing vibrating motion if held vertically at a frequency of 50Hz are__________________?

    A. Longitudinal B. Transverse C. Periodic D. both A and C...