Download App

Dual Nature of Radiation and Matter — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsDual Nature of Radiation and Matter1 Mark
Question
The momentum of a photon of wavelength $\lambda$ is:
✓

Answer

  1. $\frac{\text{h}}{\lambda}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Dual Nature of Radiation and Matter→Dual Nature of Radiation and Matter — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Balmer series lies in which spectrum?
→
A block of mass m slides down a smooth vertical circular track. During the motion, the block is in:
  1. Vertical equilibrium.
  2. Horizontal equilibrium.
  3. Radial equilibrium.
  4. None of these.
→
The $K_\alpha\ X-$ray emission line of tungsten occurs at $λ = 0.021\ nm.$ The energy difference between $K$ and $L$ levels in this atom is about
→
The neutron was discovered by(a) Marie Curie(b) Pierre Curie(c) James Chadwick(d) Rutherford
       
→
A proton and an alpha particle both enter a region of uniform magnetic field B, moving at right angles to field B. If the radius of circular orbits for both the particles is equal and the kinetic energy acquired by proton is 1 MeV the energy acquired by the alpha particle will be:
→
A positively charged particle is released from rest in an uniform electric field. The electric potential energy of the charge:
→
Control rods used in nuclear reactors are made of:
→
When a ray of light enters a glass slab its wavelength :
→
An object can be negatively charged by:
→
A charge of $40\  \mu C$ is given to a capacitor having capacitance $C = 10\  \mu F$. The stored energy in ergs is
→