Supercooling is cooling of liquid _____.
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The strain produced in a body is directly proportional to the stress applied on it, is called _______.
Even after sunset, the air near the Earth's surface continue to receive heat due to
A person lifts luggage of 20 kg from the ground and puts it on his head 2 in above the ground. Calculate the work done by him. (g = l0 )
What is the name of the device used to convert alternating current into direct current ?
Which of the following is not true about Xrays?
___________ states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system.
If the speed of an object moving along a straight line is constant, its motion is said to be _________.