E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Chapter: Transfer of Heat, Exercise 2: Exercises

Author:E Doris James, Vandana Tirath, Anton Siromani & Kiran Banerji

E Doris James Science Solutions for Exercise - E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Chapter: Transfer of Heat, Exercise 2: Exercises

Attempt the practice questions on Chapter 5: Transfer of Heat, Exercise 2: Exercises with hints and solutions to strengthen your understanding. New Science Ahead solutions are prepared by Experienced Embibe Experts.

Questions from E Doris James, Vandana Tirath, Anton Siromani and, Kiran Banerji Solutions for Chapter: Transfer of Heat, Exercise 2: Exercises with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT

Conduction of heat is more effective when molecules are packed closer together.

MEDIUM
7th CBSE
IMPORTANT

Heat is transferred from one end of a solid to another by conduction.

MEDIUM
7th CBSE
IMPORTANT

The only kind of heat transfer that involves movement of molecules is convection.

MEDIUM
7th CBSE
IMPORTANT

If a medium is present between two bodies, radiation cannot occur.

MEDIUM
7th CBSE
IMPORTANT

Why can heat be conducted through solids, liquids and gases but not through vacuum?

HARD
7th CBSE
IMPORTANT

Why is it more effective for heaters to be placed closer to the floor and coolers to be placed closer to the ceiling?

HARD
7th CBSE
IMPORTANT

Will heat be conducted along the length of a metal rod when the whole rod is at a uniform temperature?

HARD
7th CBSE
IMPORTANT

Why does a plastic container keep the contents cold for a longer time than a metal container?