A photon of wavelength $6630 \ Å$ is incident on a totally reflecting surface. The momentum delivered by the photon is equal to
A photon of wavelength $6630 \ Å$ is incident on a totally reflecting surface. The momentum delivered by the photon is equal to
- A
$6.63 × 10^{-27} kg-m/sec$
- B
$2 ×10^{-27} kg-m/sec$
- C
$10^{-27} kg-m/sec$
- D
None of these
Similar Questions
The momentum of the photon of wavelength $5000\,\mathring A$ will be
The momentum of the photon of wavelength $5000\,\mathring A$ will be
When monochromatic radiation of intensity $I$ falls on a metal surface, the number of photoelectrons and their maximum kinetic energy are $N$ and $K$ respectively. If the intensity of radiation is $2I$, the number of emitted electrons and their maximum kinetic energy are respectively
When monochromatic radiation of intensity $I$ falls on a metal surface, the number of photoelectrons and their maximum kinetic energy are $N$ and $K$ respectively. If the intensity of radiation is $2I$, the number of emitted electrons and their maximum kinetic energy are respectively
- [AIPMT 2010]
The work function of aluminium is $4.2eV.$ If two photons, each of energy $3.5 eV$strike an electron of aluminium, then emission of electrons will be
The work function of aluminium is $4.2eV.$ If two photons, each of energy $3.5 eV$strike an electron of aluminium, then emission of electrons will be
Photon and electron are given same energy $({10^{ - 20}}J)$. Wavelength associated with photon and electron are ${\lambda _{Ph}}$ and ${\lambda _{el}}$ then correct statement will be
Photon and electron are given same energy $({10^{ - 20}}J)$. Wavelength associated with photon and electron are ${\lambda _{Ph}}$ and ${\lambda _{el}}$ then correct statement will be
A radio transmitter operates at a frequency of $880 \,kHz$ and a power of $10\,kW$. The number of photons emitted per second are
A radio transmitter operates at a frequency of $880 \,kHz$ and a power of $10\,kW$. The number of photons emitted per second are
- [AIPMT 1990]