Home
Class 12
CHEMISTRY
In photoelectric effect light of certain...

In photoelectric effect light of certain frequency `( gt ` threshold frequency ) is incident on a metal surfave whereby , an `e^(-)` ( with certain K.E.) moves towards the collector plate and a flow of current is initiated . In order to stop the current flow, an opposite potential , on the two metal plates, is applied
The work function of metal is 6eV . If light of frequency ` 1 xx 10^(15) `Hz is incident on the metal , intensity of light is increased 4 times, then

A

No photoelectron will be ejected

B

8 photoelectrons of zero kinetic energy shall be ejected

C

2 photoelectrons of 2 eV kinetic energy are ejected

D

Only one photoelectron is ejected

Text Solution

Verified by Experts

The correct Answer is:
1
Promotional Banner

Topper's Solved these Questions

  • STRUCTURE OF ATOM

    AAKASH INSTITUTE|Exercise ASSIGNMENT ( SECTION -E) Assertion - Reason Type Questions|10 Videos

  • STRUCTURE OF ATOM

    AAKASH INSTITUTE|Exercise ASSIGNMENT ( SECTION -F) Matrix - Match Type Questions|4 Videos

  • STRUCTURE OF ATOM

    AAKASH INSTITUTE|Exercise ASSIGNMENT ( SECTION -C) Objective Type Questions (More than one options are correct)|15 Videos

  • STRUCTURE OF ATOM

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION -D) Assertion-Reason Type Questions|15 Videos

  • SURFACE CHEMISTRY

    AAKASH INSTITUTE|Exercise Assignment Section - C (Assertion - Reason type questions)|10 Videos

Similar Questions

Explore conceptually related problems

In photoelectric effect light of certain frequency ( gt threshold frequency ) is incident on a metal surfave whereby , an e^(-) ( with certain K.E.) moves towards the collector plate and a flow of current is initiated . In order to stop the current flow, an opposite potential , on the two metal plates, is applied The work function of a metal is 4eV. If light of frequency 2.3 xx 10^(15) Hz is incident on metal surface, then

In photoelectric effect light of certain frequency ( gt threshold frequency ) is incident on a metal surfave whereby , an e^(-) ( with certain K.E.) moves towards the collector plate and a flow of current is initiated . In order to stop the current flow, an opposite potential , on the two metal plates, is applied A light of frequency 2.5xx 10^(15) Hz is incident on a metal surface having work function 4 eV. The velocity of photoelectron is ( in cm s^(-1))

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 hv_0 . Light of frequency v falls on this metal. The photoelectric effect will take place only if

In photoelectric effect the slope of stop of stopping potential versus frequency of incident light for a given surface will be

The photoelectric threshold of a certain metal is 3000A . If the radiation of 2000A is incident on the metal

The photoelectric threshold frequency of a metal is v. When light of frequency 4v is incident on the metal . The maximum kinetic energy of the emitted photoelectrons is

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