Question

Statement-I: When a pulse on string reflects from free end, the resultant pulse is formed in such a way that slope of string at free end is zero. 

Statement-II: Zero resultant slope ensures that there is no force components perpendicular to string. 

(A) Statement-I is true, statement-II is true, statement-II is a correct explanation for Statement-I 

(B) Statement-I is true, statement-II is true, statement-II is NOT correct explanation for Statement-I 

(C) Statement-I is true, statement-II is false 

(D) Statement-I is false, statement-II is true 

Answer 1

Correct option (A) Statement-I is true, statement-II is true, statement-II is a correct explanation for Statement-I  

Explanation:

 There cannot be a perpendicular force to a string.