When sound waves travel from air to water, what happens to its frequency?
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Explain heat treatment. Why and how is it done?
What is the index of refraction of air?
If f equals electric force, and q and q (read as: q-prime) are the charges on two particles, the expression f is proportional to q times q prime divided by distancesquared is what law?
Why does a glass filled with water shatter when you run your finger along the rim of the glass?
Which waves are used in sonography?
Explain the parallel force?
What is the translucent?
How we are getting light from electrical bulb.Please brief in detail.
Describe the Working of the Transistor?
How can light be defined in simplest form?
Why is it easier to swim in sea water than in the river water?
Tell me what type(amount) of capacitors are used in fan?