An electromagnetic wave consists of _____________________?

Related Mcqs:

1. 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

2. 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

3. 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

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

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

5. 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

6. Electromagnetic waves transport___________________?

   A. Energy
   B. Momentum
   C. Mass
   D. Heat

7. Electromagnetic waves emitted from antenna are________________?

   A. Stationary
   B. Longitudinal
   C. Transverse
   D. All the above

8. X-rays are electromagnetic waves like________________?

   A. Light waves
   B. Heat waves
   C. Microwaves
   D. γ-rays

9. Field particle of Electromagnetic interaction is _________?

   A. Photon
   B. Meson
   C. Vector Boson
   D. Graviton

   Submitted by: Sadi Ahmed

10. 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