Question

# If the time period of a wave increases, its frequency will

A
increase
B
decrease
C
remain the same
D
first increases then decreases

Solution

## The correct option is B decreaseFrequency of a wave is defined as the number of wave produced to per unit time. Or mathematically,Frequency $$=$$ Number of waves/ Time taken               $$\nu =\cfrac { 1 }{ T }$$ATQ, if $$T\uparrow$$ then $$\nu \downarrow$$ as $$T\propto \cfrac { 1 }{ \nu }$$$$\therefore$$ Option (B) is the correct answer.Physics

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