NEETPhysics-Oscillations
NEET Physics Frequency and Period MCQ Question
Type: MCQ-numerical-Easy-Class 11
If the frequency of human heart is 1.25 Hz, the number of heart beats in 1 minute is
A
65
B
75
C
80
D
90
Correct Answer
Option B
Detailed Explanation
The number of beats per minute is frequency multiplied by 60 seconds. Thus, 1.25 Hz × 60 = 75 beats per minute.
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