The correct answer is B
When an electric current flows, electrons move from:
The surface tension of water on adding detergent to it –
A spherical ball made of steel when dropped in mercury container will –
A sugar solution in a tube of length 2.0 dm produces optical rotation of 12°. Then, the sugar solution is diluted to one half of its initial concentra...
Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by –
Which of the following is NOT a conductor of electricity?
Which law explains why it is difficult to hammer a nail into a freely suspended wooden frame?
A rocket with a lift-off mass 10,000 kg is blasted upwards with an initial acceleration of 5.0 m s–2. Calculate the initial thrust (force) ...
The potential inside a charged hollow sphere is __________.
If the vector sum of torques acting on a system is zero, then the object is in ________.
