Related Questions

  1. Photons of energy 6 eV are incident on a metal surface whose work function is 4 eV.
  2. The resistance of a bulb filament is 100 Ω at a temperature of 100⁰C.
  3. The resistance of an ammeter is 13Ω and its scale is graduated for a current
  4. Suppose for some reasons, radius of earth were to shrink by 1% of present value,
  5. Two bodies of masses m₁ and m₂ are initially at rest at infinite distance apart