Which property of sound is affected by change in air temperature?
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application of optical fibers and sensors
What is the normal pulse beat of a human body?
What are the essential characteristics of a wave?
A man asks his friend to meet him at the airport at 3.00pm,to drive him to an appointment.he catches an earlier plane,and arrives at the airport at 2.00pm.he decides to start walking and is picked up en route by his friend.he arrives twenty minutes early for his appointment.how long did he walk?
What is the difference between diffraction and interference?
Is their any rule in significant figures that maximum number of significant figures in a number are 5
Explain what is meant by 4th dimension?
why are metals able to conduct current so well?
What is Colours of bodies ?
Define Young’s modulus?
Joule - Thomson cooling is
Why are prisms used in binoculars ?