Light of frequency 1.5 v 0 is incident on a photosensitive material of threshold…
Physics · Class 12 · CBSE — Dual Nature of Radiation & Matter
Light of frequency 1.5 v0 is incident on a photosensitive material of threshold frequency v0. If the frequency of the incident radiation is kept constant and intensity is increased, the photo current will:
- increase
- decrease
- not change
- first decrease and then become zero
Answer
(A) increase
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- We wish to see inside an atom. Assuming the atom to have a diameter of 100 pm [1 picometre (pm) = 10 -12 m]…
- A metal surface ejects electrons when hit by green but none when hit by yellow light. The electrons will be…
- Two beams, A and B whose photon energies are 3.3 eV and 11.3 eV respectively, illuminate a metallic surface…
- The photoelectric cut off voltage in a certain experiment is 1.5 V. The maximum kinetic energy of…
- The work function for Al, K and Pt is 4.28 eV, 2.30 eV and 5.65 eV respectively. Their respective threshold…
- Atomic spectral emission lines of hydrogen atom are incident on a zinc surface. The lines which can emit…
- Assertion (A): Photoelectric effect demonstrates the particle nature of light. Reason (R): Photoelectric…
- If K 1 and K 2 are maximum kinetic energies of photoelectrons emitted when lights of wavelength λ 1 and λ 2…
More Dual Nature of Radiation & Matter questions · Browse all practice questions