A and B are two metals with threshold frequencies 1.8 x 10¹⁴ Hz and 2.2 x 10¹⁴ Hz.

A and B are two metals with threshold frequencies 1.8 x 10¹⁴ Hz and 2.2 x 10¹⁴ Hz. Two identical photons of energy 0.825 eV each are incident on them. Then photoelectrons are emitted in (Take h=6.6 x 10³⁴ Js)

Options

(a) B alone
(b) A alone
(c) neither A nor B
(d) both A and B

Correct Answer:

A alone

Explanation:

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

admin:

Related Questions

  1. If the number of radius of ²⁷Al is 3.6 Fermi, the approximate nuclear radius
  2. For non-conductors, the energy gap is
  3. A device which converts electrical energy into mechanical energy is
  4. Monochromatic light of frequency 6.0 x 10¹⁴ Hz is produced by a laser. The power emitted
  5. In Young’s double slit experiment, the intensity of light coming from the first slit