(A) By roughening the surface of a sheet its transparency can be reduced. (R ) Glass sheet with rough surface reflects more light.

(A) By roughening the surface of a sheet its transparency can be reduc

1.	(A) By roughening the surface of a sheet its transparency can be reduced. (R ) Glass sheet with rough surface reflects more light.
Answer» Both A and R are true and R is the CORRECT explanation of A Both A and R are true and R is not the correct explanation of A A is true and R is false Both A and R is false Answer :C