# Solution - Define Stopping Potential and Threshold Frequency, Using Einstein’S Equation and Drawing Necessary Plot Between Relevant Quantities. - Einstein’s Equation - Particle Nature of Light

Account
Register

Share

Books Shortlist

#### Question

Define (i) stopping potential and (ii) threshold frequency, using Einstein’s equation and drawing necessary plot between relevant quantities.

#### Solution

You need to to view the solution
Is there an error in this question or solution?

#### Similar questions VIEW ALL

The energy of photon of wavelength X is_____ .

[h = Planck’s constant, c = speed of light in vacuum]

(a)hcλ

(b)hλ/c

(c)λ/hc

(d)hc/λ

view solution

The photoelectric threshold wavelength of a metal is 230 nm. Determine the maximum kinetic energy in joule and in eV of the ejects electron for the metal surface when it is exposed to a radiation of wavelength 180 nm.

[Planck’s constant : h = 6.63 * 10-34 Js, Velocity of light : C = 3 * 108 m/s.]

view solution

The threshold wavelength of silver is 3800Å. Calculate the maximum kinetic energy in eV of photoelectrons emitted, when ultraviolet light of wavelength 2600Å falls on it.

(Planck’s constant, h =6.63 x 1O-34J.s.,

Velocity of light in air, c = 3 x 108 m / s)

view solution

The momentum of a photon of de Broglie wavelength 5000Å is _______.

[Planck’s constant = 6.63 x10-34 J.s.]

(A) 1.326 x10-28 kg-m/s

(B) 7.54 x10-28 kg-m/s

(C) 1.326 x10-27 kg-m/s

(D) 7.54 x10-27 kg-m/s

view solution

A proton and a deuteron are accelerated through the same accelerating potential. Which one of the two has

less momentum?