For question numbers 11 12 13 and 14 two statements are

Last updated: 6/9/2023

For question numbers 11 12 13 and 14 two statements are given one labelled Assertion A and the other labelled Reason R Select the correct answer to these questions from the codes a b c and d as given below A Both A and R are true and R is the correct explanation of A B Both A and R are true but R is NOT the correct explanation of A C A is true but R is false D A is false and R is also false 11 ASSERTION A An air bubble in a jar of water shines brightly when sun light falls on it REASON R Light incident from water in air bubble is totally reflected which causes the air bubble to shine brightly 12 ASSERTION A Potassium metal emits electrons when visible light falls on it REASON R Potassium has low work function 13 ASSERTION A Eddy current produced in any metallic conductor when magnetic flux changed around it REASON R Electric potential determine the flow of charge 14 ASSERTION A The electromagnetic waves are transverse in nature REASON R A moving charge is a source of electromagnetic wave