Q.1 An item is moved to a concave mirror at a continual pace, from infinity to its concentration. Which of the next statements accurately describe the corresponding motion in the impression formed by the concave mirror?
(i) When a material on heating undergoes an increase in It really is temperature then common kinetic Power of molecules will increase.
Cause — The particular warmth potential of the material is the amount of warmth Electrical power needed to raise the temperature of unit mass of that material by way of one°C (or 1 K). i.e.,
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Publish the expression for the warmth Electrical power Q received by m kg of the compound of precise warmth potential c J kg-1 K-one when it is actually heated by way of △t° C.
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Linear inequalities. Algebraic solutions of linear inequalities in one variable as well as their representation to the number line. Graphical Option of linear inequalities in two variables. Alternative of procedure of linear inequalities in two variables – graphically.
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Ice really contracts when it melts, indicating its quantity decreases. It is because the crystalline structure of ice is less dense than liquid drinking water, creating it to occupy extra space.
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