If I is the current through a wire and e is the charge of an electron, then the number of electrons crossing in t seconds will be given by
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What is the reason for formation of Mirage in desert?
Friction is caused by the ______________ on the two surfaces in contact.
What is the direction of torque?
Which of the following physical quantity measures the rate of work done?
A force of 20 N displaces an object through 2 m and does a work of 20 J. The angle between the force and displacement is
In terms of size, Venus ranks no. ___ in our Solar System.
Who was the first woman president of Indian National Congress in pre-Independent India?