Advertisements
Advertisements
प्रश्न
The heart of a man beats 75 times a minute. What is its (a) frequency and (b) time period?
योग
उत्तर
Given, heart beats 75 times a minute
(a) Frequency = No. of times heart beats in 1 s
Or, = 75/60 = 1.25 s-1
(b) Time period, T = 1/
Or, T = 1 / 1.25 = 0.8 s
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
What are ultrasonics? Can you hear the ultrasonic sound?
What do you mean by sound ranging?
Define the terms velocity and wavelength applied to sound wave and state the relation between velocity, frequency and wavelength.
Define the term amplitude of a wave. Write its S.I. unit.
Describe a simple experiment to determine the speed of sound in air. What approximation is made in the method described by you?
A medium is necessary for ______ of sound.
Sound travels in air:
Why does an empty vessel produce more sound than a filled one?
Sound travels in the air as ______ wave.
How do we hear the sound?
