Assertion (A): When a certain wavelength of light falls on a metal surface it ejects…
Physics · Class 12 · CBSE — Dual Nature of Radiation & Matter
Assertion (A): When a certain wavelength of light falls on a metal surface it ejects electrons.
Reason (R): Light has wave nature.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
Answer
(C) A is true but R is false.
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- For a certain metal, incident frequency υ is five times of threshold frequency υ 0 and the maximum velocity…
- Assertion (A): Electrons are ejected from the surface of zinc when it is irradiated by yellow light. Reason…
- Photons absorbed in matter are converted to heat. A source emitting n photons per second of frequency u is…
- A particle of mass 4 m at rest decays into two particles of masses m and 3 m having non-zero velocities. The…
- The energy that should be added to an electron to reduce its de Broglie wavelength from one nm to 0.5 nm is
- The de Broglie wavelength of a particle of kinetic energy K is λ. What will be the wavelength of the…
- Who won the Nobel prize in physics in the year 1929 for the discovery of the wave nature of electrons?
- In a photon-particle collision (such as photon-electron collision), which of the following is may not…
More Dual Nature of Radiation & Matter questions · Browse all practice questions