A C Sehgal Solutions for Exercise 2: ORAL QUESTIONS

Author:A C Sehgal

A C Sehgal Science Solutions for Exercise - A C Sehgal Solutions for Exercise 2: ORAL QUESTIONS

Attempt the practice questions from Exercise 2: ORAL QUESTIONS with hints and solutions to strengthen your understanding. Living Science 8 solutions are prepared by Experienced Embibe Experts.

Questions from A C Sehgal Solutions for Exercise 2: ORAL QUESTIONS with Hints & Solutions

EASY
8th CBSE
IMPORTANT

An electroscope is used to detect and measure charges. What happens in an electroscope when its disc is touched by a charged object?

EASY
8th CBSE
IMPORTANT

To find the nature of charge on an object, will you use a charged electroscope or an uncharged one?

EASY
8th CBSE
IMPORTANT

Should the rod of the electroscope connecting the disc with the strips be made of a conductor or an insulator? Why?

EASY
8th CBSE
IMPORTANT

Air is an insulator, but can conduct electricity under certain conditions. What are these conditions? What is conduction of electricity through air called?

EASY
8th CBSE
IMPORTANT

If lightning strikes a building, it flows harmlessly through the lightning conductor. What property should be the material of which the lightning conductor is made have, to make this possible?