A. Electric and magnetic fields moving parallel to each other
B. Magnetic field moving with velocity of light in space
C. Electric field moving with velocity of light
D. Electric and magnetic fields moving perpendicular to each other
Related Mcqs:
- When crest of one wave falls over the trough of the other wave this phenomenon is known as________________?
A. polarization
B. constructive interference
C. destructive interference
D. diffraction - In a half-wave rectifier the r.m.s. value of the A.C. component of the wave is________________?
A. Equal to D.C. value
B. More than D.C. value
C. Less than D.C. value
D. Zero - A stationary wave is set up in the air column of a closed pipe. At the closes end of the pipe _____________________?
A. always an node in formed
B. always an antinode is formed
C. neither node nor antinode is formed
D. sometimes a node and sometimes an antinode is formed - Electromagnetic waves travel in free space with the speed of___________________?
A. λ-rays
B. Positive rays
C. Cathode rays
D. More than sound waves - 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 - Electromagnetic waves transport___________________?
A. Energy
B. Momentum
C. Mass
D. Heat - Electromagnetic waves emitted from antenna are________________?
A. Stationary
B. Longitudinal
C. Transverse
D. All the above - X-rays are electromagnetic waves like________________?
A. Light waves
B. Heat waves
C. Microwaves
D. γ-rays - Field particle of Electromagnetic interaction is _________?
A. Photon
B. Meson
C. Vector Boson
D. GravitonSubmitted by: Sadi Ahmed
- Wave-like characteristic of electron is demonstrated by______________?
A. Line spectrum of atoms
B. Production of x-rays.
C. Diffraction by crystalline solids
D. Photoelectric effect
