Related Questions

  1. An unpolarised beam of intensity I₀ falls on a polaroid. The intensity
  2. Find out the e.m.f. produced when the current changes from 0 to 1 A in 10 sec.
  3. The surface tension of a liquid is 5 newton per metre. If a film
  4. The number of photo electrons emitted for light of a frequency v
  5. One coolie takes 1 minute to raise a suitcase through a height of 2 m