The photon energy in units of eV for electromagnetic waves of wavelength 2 cm is
Physics · Class 12 · CBSE — Electromagnetic Waves
The photon energy in units of eV for electromagnetic waves of wavelength 2 cm is
- 2.5 × 10–19
- 5.2 × 1016
- 3.2 × 10–16
- 6.2 × 10–5
Answer
(D) 6.2 × 10 –5
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Assertion (A): Sound waves cannot travel in a vacuum but light can travel in a vacuum. Reason (R): Sound…
- For a medium with permittivity E and permeability , the velocity of light is given by:
- The frequency of electromagnetic wave which is best suitable to observe a particle of radius 3 × 10 –4 cm is…
- The electric field part of an electromagnetic wave in vacuum is E = 3.1 N C ^ -1 [(1.8 rad m ^ -1 ) y + (5.4…
- In the case of linearly polarized light, the magnitude of the electric field vector
- The magnetic field of a beam emerging from a filter facing a flood light as given by B = 12 × 10 –8 sin (1.20…
- The ratio of contributions made by the electric field and magnetic field components to the intensity of an…
- The conduction current is same as displacement current when source is
More Electromagnetic Waves questions · Browse all practice questions