मराठी

A substance changes from its solid state to the liquid state when heat is supplied to it. What name is given to heat absorbed by the substance. - Physics

Advertisements
Advertisements

प्रश्न

A substance changes from its solid state to the liquid state when heat is supplied to it. What name is given to heat absorbed by the substance.

एका वाक्यात उत्तर

उत्तर

Latent heat of melting.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 11: Calorimetry - Exercise 11 (B) 1 [पृष्ठ २८०]

APPEARS IN

सेलिना Physics [English] Class 10 ICSE
पाठ 11 Calorimetry
Exercise 11 (B) 1 | Q 2.2 | पृष्ठ २८०

संबंधित प्रश्‍न

State two characteristics of a good thermion emitter.


State any two measures to minimize the impact of global warming.


What do you understand by the term latent heat?


1 g ice of 0℃ melts to form 1 g water at 0℃. State whether the latent heat is absorbed or given out by ice.


Explain the following:

The surrounding become pleasantly warm when water in a lake starts freezing in cold countries.


Explain the following:

The heat supplied to a substance during it change of state, does not cause any rise in its temperature.


During transformation of liquid phase to solid phase, the latent heat is ______.


Liquid ammonia is used in ice factory for making ice from water. If water at 20°C is to be converted into 2 kg ice at 0°C, how many grams of ammonia are to be evaporated? (Given: The latent heat of vaporization of ammonia = 341 cal/g)


When a liquid is getting converted into solid, the latent heat is  ………………………………


Water expands on reducing its temperature below ______°C.


Name the physical quantity that measures the degree of hotness.

Calculate the total amount of heat required to convert 100g ice at 0°C to steam at 100°C. 
(Specific latent heat of fusion of ice = 336 J/g, specific latent heat of vaporization of steam = 2260 J/g, specific heat capacity of water = 4.2 J/g°C).


Steam at 100°C is passed over 1000 g of ice at 0°C. After some time, 600 g of ice at 0°C is left and 450 g of water at 0°C is formed. Calculate the specific latent heat of vaporization of steam (Given: specific heat capacity of water = 4200 J/kg°C, specific latent heat of fusion of ice = 336,000 J/kg.)


Find the odd one out and give its explanation.


Define boiling point of a liquid.


The latent heat of vaporisation is a term referred for the conversion of gas into liquid.


During reheating, ice is converted to water at a temperature of 0 °C.


Write scientific reason.

Even if boiling water is constantly heated, its temperature does not rise.


600 g of copper at 50°C is mixed with lOOOg water at 20°C. Find the final temperature of the mixture. The specific heat capacity of copper is 0.4 Jg-1°C-1 and that of water is 4.2 Jg-1°C-1


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×