Chittaranjan Dasgupta and Asok Kumar Das Solutions for Chapter: Heat Transfer, Exercise 1: EXERCISE

Author:Chittaranjan Dasgupta & Asok Kumar Das

Chittaranjan Dasgupta Physics Solutions for Exercise - Chittaranjan Dasgupta and Asok Kumar Das Solutions for Chapter: Heat Transfer, Exercise 1: EXERCISE

Attempt the practice questions on Chapter 18: Heat Transfer, Exercise 1: EXERCISE with hints and solutions to strengthen your understanding. A Text Book of PHYSICS PART I : CLASS 11 solutions are prepared by Experienced Embibe Experts.

Questions from Chittaranjan Dasgupta and Asok Kumar Das Solutions for Chapter: Heat Transfer, Exercise 1: EXERCISE with Hints & Solutions

EASY
11th West Bengal Board
IMPORTANT

Answer the following questions : Why is the handle of a kettle wrapped with cane ?

MEDIUM
11th West Bengal Board
IMPORTANT

A block of wood and a block of metal are at the same temperature. When the blocks feel cold, the metal feels colder than wood; when the blocks feel hot, the metal feels hotter than the wood. Explain, at what temperature will the blocks feel equally cold or hot?

EASY
11th West Bengal Board
IMPORTANT

Why does the 'greenhouse' keep hot in winter ?

EASY
11th West Bengal Board
IMPORTANT

It is hotter the same distance over the top of a fire than it is in front. Why ?

MEDIUM
11th West Bengal Board
IMPORTANT

Which will give you better protection against cold-one thick shirt or two of half the thickness; the material being the same ?

MEDIUM
11th West Bengal Board
IMPORTANT

Answer the following question - White clothes are not preferred in winter. Why ?

HARD
11th West Bengal Board
IMPORTANT

Answer the following questions : What is the effect of having umbrella cloth black?

MEDIUM
11th West Bengal Board
IMPORTANT

Why does a squirrel wrap its bushy tails round its body during its winter sleep.