Light of two different frequencies whose...

Light of two different frequencies whose photons have energies 1eV and 2.5 eV respectively illuminate a metallic surface whose work function is 0.5 eV successively. Ratio of maximum kinetic energy of emitted electrons will be:

` 1 : 4 `

` 1 : 2 `

`1 : 1 `

` 1 : 5 `

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

PHOTOELECTRIC EFFECT
MOTION|Exercise EXERCISE -3 (PREVIOUS YEAR PROBLEMS (JEE MAIN))|12 Videos
PHOTOELECTRIC EFFECT
MOTION|Exercise EXERCISE-2 (OBJECTIVE QUESTIONS (NEET))|17 Videos
OPTICS
MOTION|Exercise Exercise|45 Videos
PROJECTILE MOTION
MOTION|Exercise EXERCISE-3 (SECTION-B)|8 Videos

Similar Questions

Explore conceptually related problems

Lights of two different frequencies whose photons have energies 1 eV and 2.5 eV respectively illuminate successively a metal surface whose work function is 0.6 eV. The ratio of the maximum speeds of the emitted electrons will have

Lights of two different frequencies whose photons have energies 1 and 2.5 eV, respectively, successively illuminate a metal whose work function is 0.5 eV. The ratio of the maximum speeds of the emitted electrons

Two radiations of photons energies 1 eV and 2.5 eV, successively illuminate a photosensitive metallic surface of work function 0.5 eV. The ratio of the maximum speeds of the emitted electrons is

Photons of energy 1.5 eV and 2.5 eV are incident on a metal surface of work function 0.5 eV. What is the ratio of the maximum kinetic energy of the photoelectrons ?

Two radiation of photons energy 3eV and 4.5 eV successively illuminate a photosensitive metallic surface of work function 2.5 eV the ratio of the maximum speeds of the emitted electrons is :-

Photons of energy 6 eV are incident on a metal surface whose work function is 4 eV . The minimum kinetic energy of the emitted photo - electrons will be

Light of wavelength 3000Å is incident on a metal surface whose work function is 1 eV. The maximum velocity of emitted photoelectron will be

When photon of energy 3.8 eV falls on metallic suface of work function 2.8 eV , then the kinetic energy of emitted electrons are

MOTION-PHOTOELECTRIC EFFECT -EXERCISE - 3 SECTION -A (Previous Year Problems (NEET ))

The work functions for metals A, B and C are respectively 1.92 eV, 2....
Text Solution
|
Monochromatic light of wavelength 667 nm is produced by a helium neon ...
Text Solution
|
Light of two different frequencies whose photons have energies 1eV and...
Text Solution
|
In photoelectric emission process from a metal of work function 1.8 eV...
Text Solution
|
The threshold frequency for a photosensitive metal is 3.3 xx 10^(14) H...
Text Solution
|
An electron in the hydrogen atom jumps from excited state n to the gro...
Text Solution
|
Monochromatic radiation emitted when electron on hydrogen atom jumps f...
Text Solution
|
A modern 200 W sodium street lamp emits yellow light of wavelength 0.6...
Text Solution
|
A alpha -parhticle moves in a circular path of radius 0.83 cm in th...
Text Solution
|
An electrons of a stationary hydrogen aton passes form the fifth enegr...
Text Solution
|
Threshold frequency of a metal is 5xx10^(13)s^(-1) upon which 1xx10^(1...
Text Solution
|
The wavelength lambda(e ) of an electron and lambda(p) of a photon of...
Text Solution
|
For photoelectric emission from certain metal the cut - off frequency ...
Text Solution
|
When the energy of the incident radiation is increased by 20 % , kinet...
Text Solution
|
When a metallic surface is illuminated with radiation of wavelength la...
Text Solution
|
An electron of mass m and a photon have same energy E. The ratio of de...
Text Solution
|
Photons with energy 5 eV are incident on a cathode C in a photoelectri...
Text Solution
|
The photoelectric threshold wavelength of silver is 3250 xx 10^(-10) m...
Text Solution
|
An electron of mass m with an initial velocity vec(v) = v(0) hat(i) ...
Text Solution
|
When the light of frequency 2 v(0) (where v(0) is threshold frequency)...
Text Solution
|