Assertion `:` To hear distinct be beats, difference in frequencies of two sources should be less than 10.
Reason `:` More the number of beats `//` sec., more is the confusion.

Options

A. both, Assertion and Reason are true and Reason is the correct explanation of the Assertion.
B. both, Assertion and Reason are true but Reason is not a correct explanation of the Assertion.
C. Assertion is true but the Reason is false.
D. both,Assertion and Reason are false.

Answer

C

Explanation

According to the property of persistence of hearing, the impression of a sound heard persists on our mind for `(1)/(10)` sec. To hear distinct beats, time interval between two successiv beats should be greater than `(1)/(10)` sec. Therefore, no. of beats //sec should be less than `10` . The reason is false.