In known elements, the maximum number is of
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Ultrasonic waves are used for stirring liquid solutions because they
Which one of the following Indus Civilization site gives evidence of a dockyard
Rajasthan receives very little rain because
Two cubes have their volumes in the ratio 1 : 27. Find the ratio of their surface areas.
Let their edges be a and b. Then,
a3/b3 = 1/27 (or) (a/b)3 = (1/3)3 (or) (a/b) = (1/3).
\Ratio of their surface area = 6a2/6b2 = a2/b2 = (a/b)2 = 1/9, i.e. 1:9.
A Computer works on a _______ number system
The nitrogen atom has 7 protons and 7 electrons,The nitride ion will have
Name the only US president who also served as the Chief Justice of the US Supreme Court.