What is the proper definition of light?
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On breaking a magnet, how many poles will be got ?
What is meant by refraction of a wave?
Why does a tilted gyroscope not fall?
The element required for solar energy conservation___?
Explain the Mortar ?
what is Potassium Carbonate ?
What is periodic wave?
Which particles/ rays do radioactive substances emit?
How d o the radio-waves pass through walls ?
Explain what is time?
How does the towel dry out hands ?
How much does automotive oil weigh?