Question
‘A’ and ‘B’ started
moving towards each other at same time with a speed of 21 km/hr and 15 km/hr, respectively. If the distance covered by ‘A’ is 15 km more than that by ‘B’, when they meet then find the initial distance between them.Solution
Who discovered the electron?
The apparatus used in the refrigeration is
Which law describes the relationship between electric current and potential difference?
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Cell was discovered by
Adhesive force is the force of
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The amplitude of the sound wave depends on the
Mercalli scale is the instrument used for measuring the intensity of ___________.
One Kilowatt hour is equal toβ