The work functions for metals A, B and C...

The work functions for metals A, B and C are respectively 1.92 eV, 2.0 eV and 5 eV. According to Einstein's equation the metals which will emit photoelectrons for a radiation of wavelength 4100 Å is/are

None

A only

A and B only

All the three metals

Text Solution

Verified by Experts

The correct Answer is:

For photoelectric effect
`Egevarphi`

Topper's Solved these Questions

DUAL NATURE OF RADIATION AND MATTER
NARAYNA|Exercise EXERCISE - 2 (H.W)|20 Videos
DUAL NATURE OF RADIATION AND MATTER
NARAYNA|Exercise EXERCISE - 3|35 Videos
DUAL NATURE OF RADIATION AND MATTER
NARAYNA|Exercise EXERCISE - 1 (H.W)|24 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

The work function for metals A , B and C are respectively 1.92 eV , 2.0 eV and 5 eV . According to Einstein's equation , the metals which will emit photoelectrons for a radiation of wavelength 4100 Å are

The work function for metals X , Y and Z are respectively 1.92 eV , 2.0 eV and 5.0 eV . According to Einstein equation , the metal which will emit photoelectrons for a radiation of wavelength 4100 "Å" is/ are :

The work functions for metals A, B and ( C) are presepctively 1. 92 eV , 2, 0 eV 1 and 5.0 eV According to Einstein equation , the metal which will emit photoelectron for a radistion fo wavelingth 4100 Å /are

The work functions for three metals x,y and z are respectively 3ev,5ev and 7ev, then more reactive metal? "

Work functions for metals A and B are 2 eV and 4 eV respectively. Which metal has a lower threshold wavelength and why ?

Light of wavelength 3500Å is incident on two metals A and B whose work functions are 3.2 eV and 1.9 eV respectively. Which metal will emit photoelectrons

Work functions of copper and cesium are 4.5 eV and 1.9 eV, respectively. What are the corresponding threshold frequencies for these metals ?

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

NARAYNA-DUAL NATURE OF RADIATION AND MATTER-EXERCISE - 2 (C.W)

When photons of energy hv are incident on the surface of photosensitiv...
Text Solution
|
The thereshold wavelenght for a metal of work function W(0) is lambd...
Text Solution
|
The number of photoelectrons emitted for light of a frequency v (highe...
Text Solution
|
When photons of energy hv fall on an aluminium plate (of work function...
Text Solution
|
A photosensitive metallic surface has work funtion hv(0). If photons o...
Text Solution
|
The work functions for metals A, B and C are respectively 1.92 eV, 2....
Text Solution
|
K.E. of photo electron is E when incident frequency is lambda(1). It ...
Text Solution
|
Maximum velocity of photo electrons is 3.5 xx 10^(6) m//s. If the spec...
Text Solution
|
Light from a hydrogen discharge tube is made incident on the cathode o...
Text Solution
|
Photoelectric emission is observed from a metallic surface for frequen...
Text Solution
|
In an experiment on photo- electric effect, stopping potential is 1.0 ...
Text Solution
|
The work functions of metals A and B are in the ratio 1 : 2. If light ...
Text Solution
|
A particle with rest mass m0 is moving with velocity c. what is the d...
Text Solution
|
Photon and electron are given same energy (10^(-20) J). Wavelength ass...
Text Solution
|
If an electron and an alpha - particle are accelerated from rest throu...
Text Solution
|
The wavelength of de-Broglie wave associated with a thermal neutron of...
Text Solution
|
The De Broglie wavelenght associated with electron in n Bohr orbit is
Text Solution
|
A proton and an alpha-particle are accelerated through same potential ...
Text Solution
|
An electron accelerated under a p.d. Of V volt has a certain wavelengt...
Text Solution
|
If E and lambda represent the energy and wavelenght respectively of an...
Text Solution
|