heat cannot pass from a cooler substance to a warmer substance without some other process being involved. This is an example of which law of thermodynamics?
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A man asks his friend to meet him at the airport at 3.00pm,to drive him to an appointment.he catches an earlier plane,and arrives at the airport at 2.00pm.he decides to start walking and is picked up en route by his friend.he arrives twenty minutes early for his appointment.how long did he walk?
On breaking a magnet, how many poles will be got ?
Define Biot Number?
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How can light be defined in simplest form?
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Name the metal that burns in oxygen with a dazzling white flame
The principle of action of points is used in ___________.
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