NCERT Solutions for Chapter: Some Natural Phenomena, Exercise 3: SHORT ANSWER QUESTIONS

Author:NCERT

NCERT Science Solutions for Exercise - NCERT Solutions for Chapter: Some Natural Phenomena, Exercise 3: SHORT ANSWER QUESTIONS

Attempt the practice questions on Chapter 15: Some Natural Phenomena, Exercise 3: SHORT ANSWER QUESTIONS with hints and solutions to strengthen your understanding. NCERT Exemplar Science - Class 8 solutions are prepared by Experienced Embibe Experts.

Questions from NCERT Solutions for Chapter: Some Natural Phenomena, Exercise 3: SHORT ANSWER QUESTIONS with Hints & Solutions

MEDIUM
8th CBSE
IMPORTANT

During the construction of a building the lightning conductor was left hanging in the air by mistake. Would the lightning conductor be still effective? Explain.
 

MEDIUM
8th CBSE
IMPORTANT

If air and cloud were good conductors of electricity, do you think lightning could occur? Explain.

MEDIUM
8th CBSE
IMPORTANT

Identify the lightning conductor and the copper plate in figure.

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MEDIUM
8th CBSE
IMPORTANT

If the materials used for constructing a building were good conductors, do you think lightning will strike the building. Will the lightning conductor be still required to be installed in the building?
 

MEDIUM
8th CBSE
IMPORTANT

You might have observed on a dry day that when you touch the screen of a television or computer monitor (with picture tube), you get a slight shock. Why does it happen?

MEDIUM
8th CBSE
IMPORTANT

Explain how does lightning conductor protects a building from getting struck by lightning.
 

MEDIUM
8th CBSE
IMPORTANT

In an electroscope if a negatively charged body is brought in contact with the metal clip, the strips of the electroscope diverge. If now another charged object carrying equal amount of positive charge is brought in contact with the clip, what will happen?
 

MEDIUM
8th CBSE
IMPORTANT

The strips of an electroscope diverge when a charged body is brought in contact with the metal clip. Now the clip is touched gently by our hand. What will happen to the strips? Explain.