मराठी

M Kg of a Substance of Specific Heat Capacity S J/Kg °C is Heated So that Its Temperature Rises from θ1°C to θ2°C. Write Down the Expression for the Heat Q Supplied. - Physics

Advertisements
Advertisements

प्रश्न

m kg of a substance of specific heat capacity s J/kg °C is heated so that its temperature rises from θ1°C to θ2°C. Write down the expression for the heat Q supplied.

एका वाक्यात उत्तर
Advertisements

उत्तर

Heat supplied Q = mass × sp. heat capacity × rise in temperature
= m × s × (θ2 – θ1)

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 10: Specific Heat Capacity and Latent Heat - Short Answers

APPEARS IN

आईसीएसई Physics [English] Class 10
पाठ 10 Specific Heat Capacity and Latent Heat
Short Answers | Q 8

संबंधित प्रश्‍न

In an experiment on the specific heat of a metal, a 0.20 kg block of the metal at 150 °C is dropped in a copper calorimeter (of water equivalent 0.025 kg) containing 150 cm3 of water at 27 °C. The final temperature is 40 °C. Compute the specific heat of the metal. If heat losses to the surroundings are not negligible, is your answer greater or smaller than the actual value for the specific heat of the metal?


The coolant in a chemical or a nuclear plant (i.e., the liquid used to prevent the different parts of a plant from getting too hot) should have high specific heat.


Water in lakes and ponds do not freeze at once in cold countries. Give a reason is support of your answer.


50 g of metal piece at 27°C requires 2400 J of heat energy so as to attain a temperature of 327°C . Calculate the specific heat capacity of the metal.


During the phase change does the average kinetic energy of the molecules of the substance increase?


A heater of power P watt raises the temperature of m kg of a liquid by Δt K in time t s. Express
the specific heat capacity of liquid in terms of above data.


How will global warming disturb the ecological balance?


The global warming has resulted:
(a) the increase in yield of crops
(b) the decrease in sea levels
(c) the decrease in human deaths
(d) the increase in sea levels


The substances like water which have ........... Heat capacity warm up more slowly than substances like iron which have .......... heat capacity.


An equal quantity of heat is supplied to two substances A and B. The substance A shows a greater rise in temperature. What can you say about the heat capacity of A as compared to that of B?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×