Work function of a metal is 3.0 eV. It i...

Work function of a metal is 3.0 eV. It is illuminated by a light of wavelength `3xx10^(-7)` m. Calculate the maximum energy of the electron.

4.14 eV

2.14 eV

3.16 eV

1.16 eV

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

DUAL NATURE OF RADIATION AND MATTER
AAKASH SERIES|Exercise EXERCISE=II|42 Videos
CURRENT ELECTRICITY
AAKASH SERIES|Exercise EXERCISE - III|73 Videos
ELECTRIC CHARGES AND FIELDS
AAKASH SERIES|Exercise Practice Exercise|57 Videos

Similar Questions

Explore conceptually related problems

The work function of a metal is 3.0 V. It is illuminated by a light of wave length 3xx10^(-7)m . Calculate i) threshold frequency, ii) the maximum energy of photoelectrons, iii) the stopping potential. (h=6.63xx10^(-34)Js and c=3xx10^(8)ms^(-)) .

The work function of potassium is 2.0 eV. When it is illuminated by light of wavelength 3300A^(@) photo electrons are emitted. The stopping potential of photo electrons is [Plank’s constant h=6.6xx10^(-34)Js,1eV=1.6xx10^(-19)J,C=3xx10^(8)ms^(-1) ]

If the work function of a certain metal is 3.2xx10^(-19)J and is it illuminated with light of frequency 8xx10^(14) Hz, the maximum kinetic energy of photo electrons would be (h=6.6xx10^(-34)Js)

The work function a metel is 2 eV. If a radiation of wavelengh 3000 A^(@) is incident on it, the maximum kinetic energy of the emitted photoelectros is (Plank's constant h = 6.6 "times "10^(-34) J, velocity of light c=3" times "10^8 ms//s, 1 eV=1.6 "times "10^(-19)

When a metal surface is illuminated by a light of wavelength 400nm and 250 nm . The maximum velocites of the photo electrons ejected are v and 2v respectively. The work function of the metal is (h= Planck's constant e= Velocity of light in air

A metal sheet of silver is exposed to ultraviolet radiation of wavelength 1810A^(0) . The threshold wavelength of silver is 2640A^(0) Calculate the maximum energy of emitted electron.

The photoelectric work function of a metal surface is 2eV.When light of frequency 1.5xx10^(15) Hz is incident on it, the maximum kinetic energy energy of the photo electrons ,approximately is

AAKASH SERIES-DUAL NATURE OF RADIATION AND MATTER-PRACTICE EXERCISEX

A monochromatic light source is placed at a distance d from a metal su...
Text Solution
|
If the work function of a certain metal is 3.2xx10^(-19)J and is it il...
Text Solution
|
Work function of a metal is 3.0 eV. It is illuminated by a light of wa...
Text Solution
|
A metal sheet of silver is exposed to ultraviolet radiation of wavelen...
Text Solution
|
The threshold wavelength for emission of photoelectrons from a metal s...
Text Solution
|
What will be the minimum frequency of light source to get photocurrent...
Text Solution
|
A stationary shell of mass M explodes in to two parts and their masses...
Text Solution
|
The graph between deBroglie wavelength (lamda) and (lamdap) is (p is t...
Text Solution
|
The de Broglie wavelength of an electron is 1A^(@). In what potential ...
Text Solution
|
If the velocity of the particle reduced to one third, then the percent...
Text Solution
|
The ratio of the deBroglie wavelengths of proton, deuteron and alpha p...
Text Solution
|
Find the momentum of an electron having wavelength 2A^(0)(h=6.62xx10^(...
Text Solution
|
Calculate the wavelength of de Broglie waves associated with a beam of...
Text Solution
|
Calculate the force experienced by a moving electron which is entering...
Text Solution
|
If electrons are accelerated through a potential of V volt, the minimu...
Text Solution
|
Most probable value of energy of X-ray photon in the values given is
Text Solution
|
An X-ray tube is operated at a potential of 42,000V. The maximum frequ...
Text Solution
|
With a d.c power supply giving 10mA at a p.d of 50 kV. The power of th...
Text Solution
|
Iron (z = 26) emits k(alpha) line of wavelength 1.96A^(@). For an elem...
Text Solution
|
If v(K(alpha)),v(K(beta)) and v(L(alpha)) are the frequencies of K(alp...
Text Solution
|