Which of one is correct
Which of one is correct
- A
${E^2} = {p^2}{c^2}$
- B
${E^2} = {p^2}c$
- C
${E^2} = p{c^2}$
- D
${E^2} = {p^2}/{c^2}$
Similar Questions
By suitable example show that particle or wave nature depend on type of experiment.
By suitable example show that particle or wave nature depend on type of experiment.
An electron with (rest mass $m_{0}$ ) moves with a speed of $0.8 c$. Its mass when it moves with this speed is
An electron with (rest mass $m_{0}$ ) moves with a speed of $0.8 c$. Its mass when it moves with this speed is
- [AIPMT 1991]
In photoelectric effect, if a weak intensity radiation instead of strong intensity of suitable frequency is used then
In photoelectric effect, if a weak intensity radiation instead of strong intensity of suitable frequency is used then
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?
If a photon has velocity $c$ and frequency $\nu$, then which of following represents its wavelength
If a photon has velocity $c$ and frequency $\nu$, then which of following represents its wavelength
- [AIPMT 1996]