JEE Main20257 Apr 2025Evening ShiftPhysicsElectrostaticsActual
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 :
Options
- ABoth ( A ) and ( R ) are correct and ( R ) is the correct explanation of ( A )
- B( A ) is correct but ( R ) is not correct
- CBoth ( A ) and ( R ) are correct but ( R ) is not correct explanation of (A)
- D(A) is not correct but ( R ) is correct
Correct answer
A. Both ( A ) and ( R ) are correct and ( R ) is the correct explanation of ( A )
Step-by-step solution
Electric field of outside charge is zero inside conductor