Chhattisgarh Board Solutions for Chapter: Transfer of Heat, Exercise 4: Questions for practice

Author:Chhattisgarh Board

Chhattisgarh Board Science Solutions for Exercise - Chhattisgarh Board Solutions for Chapter: Transfer of Heat, Exercise 4: Questions for practice

Attempt the free practice questions on Chapter 8: Transfer of Heat, Exercise 4: Questions for practice with hints and solutions to strengthen your understanding. Science & Technology Class - VII solutions are prepared by Experienced Embibe Experts.

Questions from Chhattisgarh Board Solutions for Chapter: Transfer of Heat, Exercise 4: Questions for practice with Hints & Solutions

MEDIUM
7th Chhattisgarh Board
IMPORTANT

Write down two essential conditions for heat transfer by conduction.

EASY
7th Chhattisgarh Board
IMPORTANT

Which materials are conductors of heat? Give any two examples.

MEDIUM
7th Chhattisgarh Board
IMPORTANT

Explain convection currents.

MEDIUM
7th Chhattisgarh Board
IMPORTANT

Solids cannot be heated by convection. Why? 

MEDIUM
7th Chhattisgarh Board
IMPORTANT

On what conditions does the heat emitted from hot bodies depend?

MEDIUM
7th Chhattisgarh Board
IMPORTANT

Desert areas are very hot in days and very cool at nights. Why?

EASY
7th Chhattisgarh Board
IMPORTANT

Why are white coloured clothes preferred in summers?

EASY
7th Chhattisgarh Board
IMPORTANT

Why are interiors of solar cookers usually painted black?