Work function of a metal is the: a.Energy required by an electron to get absorbed in the metal surface. b.Minimum energy required by an electron to escape from the metal surface. c.Energy required by an electron to be retained in the metal surface. d.Maximum energy required by an electron to escape from the metal surface.

Other Physics Questions

• Photodiode is a device | Physics Questions a.Which is always operated in reverse bias b.Which is always operated in forward bias c.In which photo current is independent of intensity of incident radiation d.Which may be operated in forward or reverse bias
  Author:

  rosahanna

  1 year ago
• A leaf which contains only green pigments is illuminated by a laser light of wavelength 0.6328 mu m. It would appear to : a.black b.green c.brown d.red
  Author:

  horton

  1 year ago
• A chord attached to a vibrating form divides it into 6 loops, when its tension is 36 N . The tension at which it will vibrate in 4 loops is a.24 N b.36 N c.64 N d.81 N
  Author:

  carrotgomr

  1 year ago
• An ideal flow of any fluid must satisfy a.Pascal law b.Stokes law c.continuity equation d.Bernoulli's theorem
  Author:

  sunshineuvtv

  1 year ago