A. matter waves
B. electromagnetic waves
C. carrier waves
D. mechanical waves
Related Mcqs:
- 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 - Waves transmit ________________ from one place to another?
A. energy
B. mass
C. both
D. none - 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 - When two identical traveling waves are superimposed, the velocity of the resultant wave__________________?
A. decreases
B. increases
C. remains unchanged
D. becomes zero - It is possible to distinguish between transverse and longitudinal waves form the property of __________________?
A. refraction
B. polarization
C. interference
D. diffraction - 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 - 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 - 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 - 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 - Electromagnetic waves travel in free space with the speed of___________________?
A. λ-rays
B. Positive rays
C. Cathode rays
D. More than sound waves
