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Question

Threshold wavelength depends on
  1. Frequency of incident radiation
  2. Velocity of electrons
  3. Work function of the substance
  4. Energy of electrons

A
Energy of electrons
B
Frequency of incident radiation
C
Work function of the substance
D
Velocity of electrons
Solution
Verified by Toppr

ϕ=hcλ
h and c are constants.
ϕ depends only on λ.

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