If the wavelength of incident radiation in a photoelectric experiment is decreased, then the

Question

If the wavelength of incident radiation in a photoelectric experiment is decreased, then the (A) photoelectric current will decrease (B) photoelectric current will increase (C) stopping potential will decrease (D) stopping potential will increase

Tardigrade Admin · Accepted Answer

Decreasing the λ of incident photon means energy of incident light is increased, so KEk increases and hence stopping potential increases.

Q. If the wavelength of incident radiation in a photoelectric experiment is decreased, then the

photoelectric current will decrease

photoelectric current will increase

stopping potential will decrease

stopping potential will increase

Decreasing the $λ$ of incident photon means energy of incident light is increased, so $K E_{k}$ increases and hence stopping potential increases.

Q. If the wavelength of incident radiation in a photoelectric experiment is decreased, then the

photoelectric current will decrease

photoelectric current will increase

stopping potential will decrease

stopping potential will increase

Decreasing the λ of incident photon means energy of incident light is increased, so KEk​ increases and hence stopping potential increases.

Decreasing the $λ$ of incident photon means energy of incident light is increased, so $K E_{k}$ increases and hence stopping potential increases.