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Q. Illustrate why does it take longer to heat a bucket of water than a cup of water?
Answer:-
For the reason that there is more water in a bucket than in a cup and more energy has to be put into the bucket of water than the little cup of water to bring them to the same temperature.
Where is the magnetic field because of a bar magnet strongest? Answer: This is just an experimental reality.
Production of electricity by pressure: Certain crystals and semiconductors produce an emf between two opposite faces when the mechanical pressure on them is either increased or
A student sits on a stool holding a 5.0-kg dumbbell in both hands. He extends his arms such that each dumbbell is 0.60 m from the axis of rotation. The student's moment of
derive an expression for density of states and hence deduce an expression for carrier concentration of metals
Advantages of Integrated Circuits (ICs) over conventional circuits: (1) Very small size- thousand times smaller than discrete circuit. (2) Very small weight due to miniatu
explain?
Constancy principle (A. Einstein): One of the postulates of A. Einstein's special theory of relativity, that puts forth that the speed of light in vacuum is calculated as the
Q. State the conditions to achieve total internal reflection. For entire internal reflection to take place (a) Light should travel from a denser medium to a rarer medium an
Give any two methods of electric lines of force. Sketch them for an isolated positive point charge.
discussion
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