In a photoemission experiment the maximu...

In a photoemission experiment the maximum KE of photoelectrons from metalsP,Q,R are `E_P`, `E_Q`, `E_R` and they are related by `E_p = 2E_Q = 2E_r`. In this experiment the same sources of monochromatice light is used for metals P and Q while a different source of monochromatic light is used for metal R. Work functions for metals P,Q,R are 4 eV, 4.5eV and 5.5eV. Energy of incident photon used for metal R in eV is

Text Solution

AI Generated Solution

Topper's Solved these Questions

JEE ADVANCED 2020
JEE ADVANCED PREVIOUS YEAR|Exercise SECTION-3|6 Videos
JEE ADVANCED 2022
JEE ADVANCED PREVIOUS YEAR|Exercise PHYSICS (SECTION-3)|4 Videos

Similar Questions

Explore conceptually related problems

The animals which possess backbone are called P, e.g., Q and R. Here P, Q, and R are respectively

A photon energy 3.4 eV is incident on a metal having work function 2 eV . The maximum K.E. of photoelectrons is equal to

Light of waelength 4000Å is incident on a metal plate with work function 2eV. The max. K.E. of the photoelectrons is

Two photons, each of energy 2.5 eV are simultaneously incident on the metal surface. If the work function of the metal is 4.5 eV, then from the surface of metal

In the photoelectric experiment, if we use a monochromatic light, the I-V curve is as shown. If work function of the metal is 2eV, estimate the power of light used. (Assume efficiency of photo emission =10^(-3)% , i.e. number of photoelectrones emitted are 10^(-3)% of number of photons incident on metal.)

When light of energy 2.5 eV falls on a metal surface, the maximum K.E. of the emitted electrons is T. If the radiation of energy 4eV is made incident on the same metal surface, the K.E. of the electrons is doubled. What is the work function of the metal ?

In the photoelectric experiment, if we use a monochromatic light, the I – V curve is as shown. If work function of the metal is 2 eV, estimate the power of light used. (Assume efficiency of photo emission =10^(-3) , i.e. number of photoelectrons emitted are 10^(-3) times of number of photons incident on metal).

The binding energies of the atom of elements P and Q are E_(P) and E_(Q) respectively. There atoms of element Q fuse on atom of element P . The correct relation between E_(P), E_(Q) and e will be

A light source of wavelength lambda illuminates a metal and ejects photoelectron with (KE)^(max) = 1 eV. Another light source of wave length (lambda)/(3), ejects photoelectrons from same metal with (KE)^(max)=5 eV. Find the value of work function (eV) of metal.

JEE ADVANCED PREVIOUS YEAR-JEE ADVANCED 2021-QUESTION

A small object is placed at the center of a large evacuated hollow sph...
Text Solution
|
One end of a horizontal uniform beam of weight W and length L is hinge...
Text Solution
|
A source approaching with speed u towards the open end of a stationary...
Text Solution
|
For a prism angle theta = 60^0 the refractive indices of the left half...
Text Solution
|
A physical quantity vec(S) is defined as vec(S) = (vec(E) x vec(B))/mu...
Text Solution
|
A heavy nucleus N at rest undergoes fission N to P+Q are two lighter n...
Text Solution
|
Two concentric circular loops one of radius R and other of radius 2R l...
Text Solution
|
A soft plastic bottle filled with water of density 1 gm/cc carries an ...
Text Solution
|
A soft plastic bottle filled with water of density 1 gm/cc carries an ...
Text Solution
|
A pendulum consists of a bob of mass m=0.1kg and a massless inextensib...
Text Solution
|
A pendulum consists of a bob of mass m=0.1kg and a massless inextensib...
Text Solution
|
In a circuit a metal filament lamp is connected in series with a capac...
Text Solution
|
In a circuit a metal filament lamp is connected in series with a capac...
Text Solution
|
A special metal S conducts electricity without any resistance. A close...
Text Solution
|
A special metal S conducts electricity without any resistance. A close...
Text Solution
|
A thermally insulating cylinder has a thermally insulating and frictio...
Text Solution
|
Value of Q/(R T0)
Text Solution
|
In order to measure internal resistance r1 of a cell emf E, a meter br...
Text Solution
|
Distance between two stars of masses 3MS and 6MS is 9R.R is the mean d...
Text Solution
|
In a photoemission experiment the maximum KE of photoelectrons from me...
Text Solution
|