The work function of a substance is 4.0 ...

The work function of a substance is 4.0 eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately equal to

A

540 nm

B

400 nm

C

310 nm

D

220 nm

Text Solution

Verified by Experts

The correct Answer is:

C

Topper's Solved these Questions

NTA NEET TEST 103
NTA MOCK TESTS|Exercise PHYSICS|45 Videos
NTA NEET TEST 112
NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

The work function of a substance is 4.0 eV The longest wavwlength of light that can cause photoelectron emission from this substance is approximately

The work functio of a substance is 4.0 eV . The longest wavelength of light that can cause photoelectron emission form this substance is approximately :

The work function of a substance is 3.68 eV. The longest wavelength of light that can cause photoelectrons emission from this substance is approximately

The work function of a substance is 4.0 eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately. (a) 540 nm (b ) 400nm (c ) 310 nm (d) 220 nm

The work function of a substance is "3.0eV" .The longest wavelength of light that can cause the emission of photoelectrons from this substance is approximately:

The work function of a substance is 1.6 ev. The longest wavelength of light that can produce potoemisson form the substance is

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

NTA MOCK TESTS-NTA NEET TEST 111-PHYSICS

A 5kg mass bounces in simple harmonic motion at the end of a spring. A...
Text Solution
|
For Simple Harmonic Oscillator, the potential energy is equal is equal...
Text Solution
|
The work function of a substance is 4.0 eV. The longest wavelength of ...
Text Solution
|
When light of wavelength 300 nm or less falls on a photoelectric emit...
Text Solution
|
A solid ball of density rho(1) and radius r falls vertically through a...
Text Solution
|
When a glass capilary tube of the radius 0.015 cm is dipped in water, ...
Text Solution
|
To get three images of a single object, one should have two plane mirr...
Text Solution
|
A point object O and a mirror M move with velocities of 3 cm s^(-1) an...
Text Solution
|
An object of radius R and mass M is rolling horizontally without slipp...
Text Solution
|
A rupee coin, starting from rest rolls down a distance of 1 m on a pla...
Text Solution
|
When LED is forward biased, then
Text Solution
|
If an a p-njunction, a square input signal of 10V is applied, as shown...
Text Solution
|
A gaseous mixture contains an equal number of hydrogen and nitrogen mo...
Text Solution
|
Out of following four dimensional quantities, which one quantity is to...
Text Solution
|
In Young's double-slit experiment, the path difference between two int...
Text Solution
|
A wavefront is represented by the plane y = 3 - x. The propagation of ...
Text Solution
|
A police car moving at "30 m s"^(-1), chases a motorcyclist. The polic...
Text Solution
|
Of the following, the equation of progressive wave is
Text Solution
|
A pump motor is used to deliver water at a certain rate from a given p...
Text Solution
|
A block of mass m is stationary with respect to the wedge of mass M mo...
Text Solution
|