K("max") (in eV) = 3, and frequency of l...

`K_("max")` (in eV) = 3, and frequency of light (in Hz) `=1xx10^(15)` for a metal used as a cathode in a photoelectric experiment. The threshold frequency of light for the photoelectric emission from the metal is -

`1xx10^(14)" Hz"`

`1.5xx10^(14)" Hz"`

`2.1xx10^(14)" Hz"`

`2.7xx10^(14)" Hz"`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

JEE MOCK TEST 9
NTA MOCK TESTS|Exercise PHYSICS|25 Videos
NEET MOCK TEST 07
NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

represents a graph of most energetic photoelectrons K_(max) (in eV) and frequency v for a metal used as cathod in photoelectrons experiment. The threshold frequency of light for the photoelectric emission from the metal is

Calculate the threshold frequency of photon for photoelectric emission from a metal of work function 0.1 eV.

If the frequency of light in a photoelectric experiment is doubled the stopping potential will

Threshold frequency for photoelectric effect from a metal surface of work function 4.5 eV is

The metal that shows photoelectric emission at lowest frequency radiation is

NTA MOCK TESTS-NEET MOCK TEST 06-PHYSICS

The mirror in the below case is
Text Solution
|
A stone is projected vertically upward to reach maximum height h. The ...
Text Solution
|
A force given by vecF=f(x)hati+f(y)hatj+f(z)hatk acts on a particle wh...
Text Solution
|
Two identical square rods of metal are welded end to end as shown in f...
Text Solution
|
Identify the gate and match A, B, Y in the bracket to check.
Text Solution
|
A particle of mass m is projected upwards with velocity v=(v(e))/(2), ...
Text Solution
|
A particle moves in a circular path of radius 0.5 m at a speed that un...
Text Solution
|
1 g of water at 100^(@)C is completely converted into steam at 100^(@)...
Text Solution
|
A simple pendulum consisting of a mass M attached to a string of lengt...
Text Solution
|
The ends of a stretched wire of length L are fixed at x = 0 and x = L....
Text Solution
|
K("max") (in eV) = 3, and frequency of light (in Hz) =1xx10^(15) for a...
Text Solution
|
A capacitance of 2 muF is required in an electrical circuit across a p...
Text Solution
|
A rocket of mass 4000 kg is set for vertical firing. How much gas must...
Text Solution
|
1 mole of a gas with gamma=7//5 is mixed with 1 mole of a gas with gam...
Text Solution
|
An electromagnetic wave fo frequency 1xx10^(14) Hz is propagating alon...
Text Solution
|
The algebraic sum of two co - initial vectors is 16 units. Their vecto...
Text Solution
|
In a Young's double slit experiment, slits are separated by 0.5 mm and...
Text Solution
|
The speed of a ball of radius 2 cm in a viscous liquid is 20 cm/s. The...
Text Solution
|
In a pond of water, a flame is held 2 m above the surface of the water...
Text Solution
|
A particle is projected with velocity v(0) along x - axis. The deceler...
Text Solution
|