The velocity of photon is proportional to (where $v$ is frequency)
$\frac{{{\nu ^2}}}{2}$
$\frac{1}{{\sqrt \nu }}$
$\sqrt \nu $
$v$
(d) Velocity of photon $c = \nu \lambda $
A sensor is exposed for time $t$ to a lamp of power $P$ placed at a distance $l$. The sensor has a circular opening that is $4d$ in diameter. Assuming all energy of the lamp is given off as light, the number of photons entering the sensor if the wavelength of light is $\lambda $ is $(l >> d)$
The incident photon involved in the photoelectric effect experiment.
If a photon has velocity $c$ and frequency $\nu$, then which of following represents its wavelength
In photoelectric effect, if a weak intensity radiation instead of strong intensity of suitable frequency is used then
If $5\%$ of the energy supplied to a bulb is irradiated as visible light, how many quanta are emitted per sec by a $100$ $watt$ lamp ? Assume wavelength of visible light as $5.6\times10^{-5}\, cm$.
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