Explain why does a tea kettle sing?
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Who first detected radio waves?
x- rays travel with the velocity of
application of optical fibers and sensors
What is Relative humidity ?
cyclotron
Why are the steam pipes and hot water pipes used for heating rooms, not fixed to the walls firmly at both ends ?
What the postulates of planck’s quantum theory? : quantum physics
What is the effect of using two converging lenses in one optical instrument?
WHAT TI THE REASON FOR THE NOISE PRODUCED IN THE TRANSFORMER?
What is horse-power ?
If a body is hung from a spring balance first at the poles and then at the Equator, why do the readings of the balance change ?
Give one advantage of a scanning electron microscope over a transmission electron microscope?