The photoelectric work function for a me...

The photoelectric work function for a metal surface is `4.125 eV`. The cut - off wavelength for this surface is

`4125 A^(0)`

`2062.5 A^(0)`

`3006.06 A^(0)`

`6000 A^(0)`

Text Solution

Verified by Experts

`lambda"in" A^(0)=(12400)/(E)"in"eV`

Topper's Solved these Questions

DUAL NATURE OF RADIATION AND MATTER
NARAYNA|Exercise EXERCISE - 2 (C.W)|25 Videos
DUAL NATURE OF RADIATION AND MATTER
NARAYNA|Exercise EXERCISE - 2 (H.W)|20 Videos
DUAL NATURE OF RADIATION AND MATTER
NARAYNA|Exercise EXERCISE - 1 (C.W)|40 Videos
CURRENT ELECTRICITY
NARAYNA|Exercise Level 6|43 Videos
DUAL NATURE
NARAYNA|Exercise LEVEL-II (H.W)|17 Videos

Similar Questions

Explore conceptually related problems

Photoelectric work function for a surface is 2.4 eV. Light of wavelength 6.8 xx 10^(-7) m shines on the surface. Find the frequency of incident light and also the threshold frequency. Will there be photoelectric emission or not ?

The photoelectric work function of a surface is 2.2 eV. The maximum kinetic energy of photoelectrons emitted when light of wavelength 6200 Å is incident on the surface, is

The work function for aluminium is 4.125 eV. The cut-off wavelength for photoelectric effect for aluminium will be

The work function of a metal surface is 4.2 eV. The maximum wavelength which can eject electrons from this metal surface is

The photoelectric threshould wavelength for a metal surface is 6600 Å. The work function for this is

If the photoelectric work function of a metal is 5 eV , the threshold frequency of the metal is

The work function of a metal is 4.2 eV , its threshold wavelength will be

The work function for a metal surface is 2.0 eV. Determine the longest wavelength that will eject photoelectrons from the metal surface.

The work function of a metal is 2.5 eV. Light of wavelength 3600 Å is incident on this metal surface. The velocity of emitted photoelectrons will be

NARAYNA-DUAL NATURE OF RADIATION AND MATTER-EXERCISE - 1 (H.W)

Light of wavelength 0.6 mum from a sodium lamp falls on a photocell an...
Text Solution
|
The photoelectric work function for a metal surface is 4.125 eV. The c...
Text Solution
|
The energy of emitted photoelectrons from a metal is 0.9ev, The work f...
Text Solution
|
A photoelectron is moving with a maximum velocity of 10^(6) m//s. Give...
Text Solution
|
A metal of work function 4eV is cexposed to a radiation of wavelegth 1...
Text Solution
|
Threshold wavelength for a metal having work function w(0) is lambda. ...
Text Solution
|
The work functions of metals A and B are in the ratio 1 : 2. If light ...
Text Solution
|
The threshold wavelength for photoelectric emission from a material ...
Text Solution
|
An AIR station is broadcasting the waves of wavelength 300 metres. If ...
Text Solution
|
The energy of a photon is E = hv and the momentum of photon p = (h)/(l...
Text Solution
|
The approximate wavelength of a photon of energy 2.48 eV is
Text Solution
|
An important spetral emission line has a wavelength of 21 cm. The corr...
Text Solution
|
A particle having a de Broglie wavelength of 1.0 A^(0) is associated w...
Text Solution
|
The de - Broglie wavelength of an electron having 80 ev of energy is n...
Text Solution
|
Electrons are accelerated through a p.d. Of 150V. Given m=9.1xx10^(-31...
Text Solution
|
If accelerating potential of an alpha particle is doubled than its new...
Text Solution
|
The ratio of the deBroglie wavelengths of proton, deuteron and alpha p...
Text Solution
|
The energy that should be added to an electron, to reduce its de-Brogl...
Text Solution
|
The de - Broglie wavelength of an electron having 80 ev of energy is n...
Text Solution
|
If particles are moving with same velocity , then maximum de - Broglie...
Text Solution
|