Explain what is the ray of light?
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What sound waves travel from air to water the frequency remains?
Explain the Stress ?
A coil of wire that produces a magnetic field is typically called a
What is a galvanometer and its use?
What is constructive interfernce?
Which waves are used in sonography?
Give an example of transverse wave?
A Transverse wave travels along Z-axis. The particles of the medium travels along??
Why is one?s breath visible in cold, but not in not in hot weather ?
When a person whirls a rock on the end of a string and maintains it in uniform circular motion, the force exerted on the rock is most accurately referred to as?
Why does water boil at 100oC ?
how sunlight produce e.m wave in vacuum?