Engineering Physics

Multiple Choice Questions

1. The process of waves appearing with different intensity at a point when a number of waves pass through a point in a medium is known as    ( )
   1. interference
   2. diffraction
   3. polarization
   4. all
2. Interference of waves have been observed with    ( )
   1. light waves
   2. sound waves
   3. water waves
   4. all
3. Intensity of light is proportional to _______ of amplitude    ( )
   1. double
   2. square
   3. square root
   4. cube root
4. If a₁ and a₂ are the amplitudes of two sources in Young’s double slit experiment, then the maximum intensity of interference fringe is    ( )
   1. (a₁ + a₂)
   2. 2(a₁ + a₂)
   3. (a₁ + a₂)²
   4. (a₁ – a₂)²
5. If a₁ and a₂ are the amplitudes of two sources in Young’s double slit experiment then the minimum intensity of interference fringe is    ( )
   1. (a₁ + ...