Home
Class 12
PHYSICS
Assertion : Free electrons inside a meta...

Assertion : Free electrons inside a metal are free to move out of the metal.
Reason : Free electrons inside conductor do not need additional energy to get out of the metal.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
D
(d) : Free electrons in a metal are free to move inside the metal in a constant. They are not free to move out of the metal. They need additional energy to get out of the metal.
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    NCERT FINGERTIPS|Exercise NCERT Exemplar|8 Videos

  • CURRENT ELECTRICITY

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

  • ELECTRIC CHARGES AND FIELDS

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

Mobility of free electrons in a conductor is

What do you mean by thermal motion of free electrons in conductors ?

What are the possible paths of free electrons inside the conductor ?

If mu is the mobility of free electrons inside a conductor , then mu is independent of