Assertion : Photosensitivity of a metal is high if its work function is small. Reason …
Physics · JEE Advanced · NTA Exams — Atoms and Nuclei
Assertion : Photosensitivity of a metal is high if its work function is small.
Reason : Work function = hf0 where f0 is the threshold frequency.
Reason : Work function = hf0 where f0 is the threshold frequency.
- If both assertion and reason are true and the reason is the correct explanation of the assertion.
- If both assertion and reason are true but reason is not the correct explanation of the assertion.
- If assertion is true but reason is false.
- If the assertion and reason both are false.
Answer
(B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- The stopping potential V for photoelectric emission from a metal surface is plotted along Y- axis and…
- The kinetic energy of the electron in an orbit of radius r in hydrogen atom is ( e = electronic charge)
- The minimum frequency ν of continuous X -rays is related to the applied potential difference V as
- The half life period of radium is 1600 years. The fraction of a sample of radium that would remain after 6400…
- Binding energy per nucleon plot against the mass number for stable nuclei is shown in the figure. Which curve…
- Assuming that all laws of thermodynamics can be applied to a nucleus, the α–decay of a nucleus may be…
- When a metal surface is illuminated by light of wavelengths 400 nm and 250 nm , the maximum velocities of the…
- Assertion : According to classical theory, the proposed path of an electron in Rutherford atom model will be…
More Atoms and Nuclei questions · Browse all practice questions