Assertion (A) : The outer body of an air craft is made of metal which protects persons sitting inside from lightning-strikes.

Question

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : The outer body of an air craft is made of metal which protects persons sitting inside from lightning-strikes.

Reason (R) : The electric field inside the cavity enclosed by a conductor is zero.

In the light of the above statements, chose the most appropriate answer from the options given below :

(1) Both (A) and (R) are correct and (R) is the correct explanation of (A)

(2) (A) is correct but (R) is not correct

(3) Both (A) and (R) are correct but (R) is not correct explanation of (A)

(4) (A) is not correct but (R) is correct

Answer 1

Correct option is : (1) Both (A) and (R) are correct and (R) is the correct explanation of (A)

Electric field of outside charge is zero inside conductor