The momentum of a photon in an $X-$ ray beam of ${10^{ - 10}}$ metre wavelength is
The momentum of a photon in an $X-$ ray beam of ${10^{ - 10}}$ metre wavelength is
- A
$1.5 \times {10^{ - 23}}kg - m/sec$
- B
$6.6 \times {10^{ - 24}}kg - m/\sec$
- C
$6.6 \times {10^{ - 44}}kg - m/\sec $
- D
$2.2 \times {10^{ - 52}}kg - m/\sec $
Similar Questions
A small object at rest, absorbs a light pulse of power $20\,mW$ and duration $300\,ns$. Assuming speed of light as $3 \times 10^8\,m / s$. the momentum of the object becomes equal to $.........\times 10^{-17} kg\,m / s$
A small object at rest, absorbs a light pulse of power $20\,mW$ and duration $300\,ns$. Assuming speed of light as $3 \times 10^8\,m / s$. the momentum of the object becomes equal to $.........\times 10^{-17} kg\,m / s$
- [JEE MAIN 2023]
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
Write characteristic of photon or How photon of electromagnetic radiation can be represented ?
Write characteristic of photon or How photon of electromagnetic radiation can be represented ?
The energy of a photon is $E = hv$ and the momentum of photon $p = \frac{h}{\lambda }$, then the velocity of photon will be
The energy of a photon is $E = hv$ and the momentum of photon $p = \frac{h}{\lambda }$, then the velocity of photon will be
The work function of a photoelectric material is $3.3 eV$. The threshold frequency will be equal to
The work function of a photoelectric material is $3.3 eV$. The threshold frequency will be equal to