The waves that require a material medium for their propagation are called__________________?

Related Mcqs:

1. The direction of propagation of an electromagnetic waves is________________?

   A. Perpendicular to electric field B. Perpendicular to both electric and magnetic field C. Perpendicular to magnetic field D. Parallel to electric and magnetic field...

2. Waves transmit ________________ from one place to another?

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

3. The speed of stationary waves in a stretched string are independent of___________________?

   A. Number of loops B. Tension in the string C. Point where string is plucked D. both A and C...

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

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

5. It is possible to distinguish between transverse and longitudinal waves form the property of __________________?

   A. refraction B. polarization C. interference D. diffraction...

6. 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...

7. 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...

8. 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...

9. Fundamental frequency of stationary waves in open pipe is ______________ times the frequency in closed pipe?

   A. One B. Two C. Four time D. None of these...

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

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