The photoelectric threshold wevelength for potassium (work function being 2 eV) is

The photoelectric threshold wevelength for potassium (work function being 2 eV) is

Options

(a) 620 nm
(b) 310 nm
(c) 1200 nm
(d) 2100 nm

Correct Answer:

620 nm

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. Light of wavelength 500 nm is incident on a metal with work function 2.28 eV.
  2. The breaking stress of a wire depends upon
  3. A solid sphere, a hollow sphere and a ring are released from top of an inclined
  4. The escape velocity from the earth is Ve. The escape velocity from a planet
  5. If the focal length of a concave mirror is 50 cm, then where should the object