Given below are two statements
Statement$-I :$ Two photons having equal linear momenta have equal wavelengths.
Statement$-II :$ If the wavelength of photon is decreased, then the momentum and energy of a photon will also decrease.
In the light of the above statements, choose the correct answer from the options given below.
Given below are two statements
Statement$-I :$ Two photons having equal linear momenta have equal wavelengths.
Statement$-II :$ If the wavelength of photon is decreased, then the momentum and energy of a photon will also decrease.
In the light of the above statements, choose the correct answer from the options given below.
- [JEE MAIN 2021]
- A
Both Statement $I$ and Statement $II$ are true
- B
Statement $I$ is false but Statement $II$ is true
- C
Both Statement $I$ and Statement $II$ are false
- D
Statement $I$ is true but Statement $II$ is false
Similar Questions
Monochromatic light of wavelength $ 632.8\; nm$ is produced by a helium-neon laser. The power emitted is $9.42 \;mW$.
$(a)$ Find the energy and momentum of each photon in the light beam,
$(b)$ How many photons per second, on the average, arrive at a target irradiated by this beam? (Assume the beam to have uniform cross-section which is less than the target area), and
$(c)$ How fast does a hydrogen atom have to travel in order to have the same momentum as that of the photon?
Monochromatic light of wavelength $ 632.8\; nm$ is produced by a helium-neon laser. The power emitted is $9.42 \;mW$.
$(a)$ Find the energy and momentum of each photon in the light beam,
$(b)$ How many photons per second, on the average, arrive at a target irradiated by this beam? (Assume the beam to have uniform cross-section which is less than the target area), and
$(c)$ How fast does a hydrogen atom have to travel in order to have the same momentum as that of the photon?
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- [AIPMT 1996]
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