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]
- A
$N $ and $2K$
- B
$2N$ and $ K$
- C
$2N $ and $2K$
- D
$N$ and $K$
Similar Questions
The work functions of Caesium $(Cs)$,Potassium $(K)$ and Sodium $(Na)$ are $2.14\,eV,2.30\,eV$ and $2.75\,eV$ respectively. If incident electromagnetic radiation has an incident energy of $2.20\, eV$, which of these photosensitive surfaces may emit photoelectrons?
The work functions of Caesium $(Cs)$,Potassium $(K)$ and Sodium $(Na)$ are $2.14\,eV,2.30\,eV$ and $2.75\,eV$ respectively. If incident electromagnetic radiation has an incident energy of $2.20\, eV$, which of these photosensitive surfaces may emit photoelectrons?
- [NEET 2023]
The energy of a photon of wavelength $\lambda $ is given by
The energy of a photon of wavelength $\lambda $ is given by
- [AIPMT 1988]
The time taken by a photoelectron to come Out after the photon strikes is approximately
The time taken by a photoelectron to come Out after the photon strikes is approximately
- [AIEEE 2006]
What is energy and momentum of photon having frequency $v$ ?
What is energy and momentum of photon having frequency $v$ ?
When wavelength of incident photon is decreased then
When wavelength of incident photon is decreased then