Question

Assertion: the focal length of a convex mirror is increased, if it's is placed in water
Reason: the focal length of a convex mirror of radius is f=R/2
1) both A and R are true , and R is correct explanation of the assertion
2) both A and R are true, but R is not the correct explanation of assertion.
3) both A and R are true.
4) both A and R are false​

Answer 1

Answer:

i think it would be.

2) both A and R are true, but R is not the correct explanation of acceleration.