Why is mercury used in thermometers rather than water?
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why does a drop of water thrown into a hot frying pan jump around?
What makes the telegraph wires hum?
Why does a semicondctor act as an insulator at 0'k and why its conductivity increases with increasing temperature?
Explain about Binocular?
Which animals communicate on under water sounds?
Explain the law of machines?
egg or hen which came first
What should a drummer do to make the sound of lower pitch?
sound frequencies below 16 hertz are usually referred to by scientists as:
Explain the universal law of universal gravitation?
If the distance separating two charges is doubled, the force between them decreases by what multiple factor?
What is transverse wave motion?