Related Questions

  1. Einstein’s photoelectric equation is
  2. If R is the radius of earth, the height at which the weight of a body 1/4 of its weight
  3. A uniform wire of resistance 9Ω is joined end-to-end to form a circle. Then
  4. Eight drops of a liquid of density ρ and each of radius a are falling through air
  5. The name of ions knocked out from the hot surface is