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प्रश्न
All metals have the same specific heat capacity.
पर्याय
Right
Wrong
उत्तर
All metals have the same specific heat capacity- Wrong
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संबंधित प्रश्न
Define heat capacity and state its SI unit.
State S.I. unit of specific heat capacity.
Write the expression for the heat energy Q received by the substance when m kg of substance of specific heat capacity c Jkg-1 k-1 is heated through Δt° C.
45 g of water at 50°C in a beaker is cooled when 50 g of copper at 18° C is added to it. The contents are stirred till a final constant temperature is reached. Calculate this final temperature. The specific heat capacity of copper is 0.39 J g-1K-1 and that of water is 4.2 J g-1K-1. State the assumption used.
Explain the meaning of green house effect.
Give three reasons for the increase of green house gases.
What are the factors on which the quantity of heat given to a body depends?
The farmers fill their fields with water in winter. Give reason.
Explain, why temperature in hot summer, falls sharply after a sharp shower?
Give two reasons as to why copper is preferred over other metals for making calorimeters.
Ice-cream at 0°C feels colder than water at 0°C. Give reason for this observation.
Describe a method to determine the specific heat capacity of a solid (say, a piece of copper).
Discuss how high specific heat capacity of water helps in formation of land and sea breeze.
A piece of ice is heated at a constant rate. The variation of temperature with heat input is shown in the graph below:
(i) What are represented by AB and CD?
(ii) What conclusion can you draw regarding the 110°c nature of ice from the above graph?
63.2 g of copper at 50°C can just melt 3.8g of ice. If the specific latent heat of ice is 336 J/g, find the specific heat capacity of copper.
Which of the substances P, Q, or R has the lowest specific heat? The temperature v/s time graph is shown ______.
Two metals A and B have specific heat capacities in the ratio 2 : 3. If they are supplied the same amount of heat then
Which metal piece will show a greater rise in temperature given their masses is the same?
Why is water used as a coolant in radiators of a car?
A metal ball of heat capacity 50J/°C loses 2000 J of heat. By how much will its temperature fall?
Find the odd one out:
