Navigate

The work function of sodium is 2.3 eV. The threshold wavelength of sodium will be

The work function of sodium is 2.3 eV. The threshold wavelength of sodium will be

Options

(a) 5380 Å
(b) 2900 Å
(c) 2500 Å
(d) 2000 Å

Correct Answer:

5380 Å

Explanation:

Work function = W₀

Wavelength = λ₀ = 12375 eV Å/ 2.3 eV = 5380 Å

Therefore, λ₀ = 5380 Å

BHU2003
admin:

Related Questions

  1. The flux linked with a circuit is given by φ=t³+3t-7. The graph between time
  2. Astigmatism is corrected by using
  3. A thin semicircular conducting ring (PQR) of radius r is falling with its plane
  4. Two particles A and B having equal charges +6C, after being accelerated
  5. If n₁, n₂ and n₃ are the fundamental frequencies of three segments into which a string