Q.1 An object is moved to a concave mirror at a continual velocity, from infinity to its concentrate. Which of the adhering to statements effectively explain the corresponding movement in the picture fashioned by the concave mirror?
It is mostly cold following a hail storm than throughout and just before it mainly because following the hail storm, ice absorbs the heat Vitality expected for It is really melting through the surroundings, And so the temperature on the surrounding falls even more down and we sense much more chilly.
What's the basic principle of means of combination ? What other identify is given to it? Identify the law on which this theory is predicated.
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The melting level of naphthalene is eighty° C plus the space temperature is twenty five°. A sample of liquid naphthalene at 90° is cooled right down to room temperature. Draw a temperature-time graph to represent this cooling. Within the graph mark the location which corresponds into the freezing system.
Find the length from the item where the aircraft mirror be placed, so that no parallax is noticed involving the two pictures formed by the two mirrors.
Let a compound A of mass m1, distinct heat capacity c1 at temperature t1 is mixed with A further compound B of mass m2, certain warmth capacity c2 at a lessen temperature t2.
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Discuss the function of superior certain warmth capability of water with reference to local weather in coastal locations.
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