Assertion : Mass of moving photon varies inversely as the wavelength.
Reason : Energy of the particle $= mass\times(speed \,of \,light)^2$
Assertion : Mass of moving photon varies inversely as the wavelength.
Reason : Energy of the particle $= mass\times(speed \,of \,light)^2$
- [AIIMS 2000]
- A
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
- B
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
- C
If the Assertion is correct but Reason is incorrect.
- D
If both the Assertion and Reason are incorrect.
Similar Questions
Compton effect supports that
Compton effect supports that
Kinetic energy with which the electrons are emitted from the metal surface due to photoelectric effect is
Kinetic energy with which the electrons are emitted from the metal surface due to photoelectric effect is
Consider figure for photoemission.
How would you reconcile with momentum-conservation ? Note light (photons) have momentum in a different direction than the emitted electrons.
Consider figure for photoemission.
How would you reconcile with momentum-conservation ? Note light (photons) have momentum in a different direction than the emitted electrons.
A photon of wavelength $4400 \, \mathring A$ is passing through vacuum. The effective mass and momentum of the photon are respectively
Using the Heisenberg uncertainty principle, arrange the following particles in the order of increasing lowest energy possible.
$(I)$ An electron in $H _{2}$ molecule
$(II)$ A hydrogen atom in a $H _{2}$ molecule
$(III)$ A proton in the carbon nucleus
$(IV)$ $A H _{2}$ molecule within a nanotube
Using the Heisenberg uncertainty principle, arrange the following particles in the order of increasing lowest energy possible.
$(I)$ An electron in $H _{2}$ molecule
$(II)$ A hydrogen atom in a $H _{2}$ molecule
$(III)$ A proton in the carbon nucleus
$(IV)$ $A H _{2}$ molecule within a nanotube
- [KVPY 2018]