मराठी

A piece of iron of mass 2.0 kg has a heat capacity of 966 J K-1. Find its specific heat capacity in S.I unit.

Advertisements
Advertisements

प्रश्न

A piece of iron of mass 2.0 kg has a heat capacity of 966 J K-1. Find its specific heat capacity in S.I unit.

संख्यात्मक
Advertisements

उत्तर

Mass of iron m = 2.0 kg

Thermal Heat Capacity c' = 966 J/°C

Rise in temperature T = 15°C

We know that specific heat capacity is = `"heat capacity"/ "mass of substance"`
So specific heat capacity is = `966 / 2`

= 483 J kg-1 K-1

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 11: Calorimetry - EXERCISE-11(A) [पृष्ठ २७१]

APPEARS IN

सेलिना Concise Physics [English] Class 10 ICSE
पाठ 11 Calorimetry
EXERCISE-11(A) | Q 3. (ii) | पृष्ठ २७१

संबंधित प्रश्‍न

Calculate the mass of ice required to lower the temperature of 300 g of water 40°C to water at 0°C.

(Specific latent heat of ice = 336 J/g, the Specific heat capacity of water = 4.2J/g°C)


Specific heat capacity of substance A is 3.8 J g-1K-1 whereas the  specific heat capacity of substance B is 0.4 J g-1 K-1
(i) Which of the two is a good conductor of heat?
(ii) How is one led to the above conclusion?
(iii) If substances A and B are liquids then which one would be more useful in car radiators?


A liquid X has the maximum specific heat capacity and is used as a coolant in Car Radiators. Name the liquid X.


Does the specific heat depend upon the temperature?

Write the approximate values of the specific latent heat of fusion of ice.


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?


A substance is in the form of a solid at 0°C. The amount of heat added to this substance and the temperature of the substance are plotted on the following graph:

If the specific heat capacity of the solid substance is 500 J/kg °G, find from the graph, the mass of the substance.


Calculate the ratio of two specific heats of polyatomic gas molecules.  


The cold object the hot object enclosed in one box of heat-resistant material.

  1. What changes will occur in the two objects when temperature flows from those objects?
  2. Which principle can show that the energy exchange takes place between two objects only when kept in isolated system?

Specific heat capacity of a substance X is 1900 Jkg-1°C-1 means ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×