1.

Statement I: When light travels from one medium to another, then frequency remains constant. Statement II: When the direction of light ray is reversed, the ray simply retraces its path, this statement is called the Principle of reversibility of light.

A.  Both Statements are true. Statement-II is the correct explanation of Statement-I.
B.  Both Statements are true, Statement-II is not correct explanation of Statement-I.
C.  Statement-I is true, Statement-II is false.
D.  Statement-I is false. Statement-II is true.
Answer» C.  Statement-I is true, Statement-II is false.


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