Exercise 4.1
Subject Experts Science Solutions for Exercise 4.1
Simple step-by-step solutions to Exercise 4.1 questions of Heat from Exam Guru Science. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercise 4.1 with Hints & Solutions
To keep her soup warm Paheli wrapped the container in which it was kept with a woollen cloth. Can she apply the same method to keep a glass of cold drink to cool? Give reason for your answer.
In a mercury thermometer, the level of mercury rises when its bulb comes in contact with a hot object. What is the reason for this rise in the level of mercury?
With the help of an activity, show the thermal expansion in gases.
Why are gaps left between two sections of the rail tracks?
Explain thermal expansion in solids with the help of an example.
Explain why a clinical thermometer cannot be used to measure high temperature?
Explain the anomalous behaviour of water by giving examples.
Why do electric wires sag in summers?
