The Supreme Court of India was set up by the
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An atom bomb based upon the principal of ________
Energy is continuously generated in the sun due to
The core of an electromagnet is made of soft iron because soft iron has
Two bulbs are fitted in a room in the domestic electric installation. One of them glows brighter than the other. Then
When light enters from air to water, then its
When a ray of light is refracted by a prism such that the angle of deviation is minimum then
If a sound travels from air to water, the quantity that remain unchanged is