What is an electric discharge?

Important Questions on Some Natural Phenomena

EASY

8th CBSE

IMPORTANT

Science Now 8>Chapter 14 - Some Natural Phenomena>EXERCISE>Q 2

What causes lightning?

EASY

8th CBSE

IMPORTANT

Science Now 8>Chapter 14 - Some Natural Phenomena>EXERCISE>Q 3

Mention two precautions to be taken during earthquakes.

EASY

8th CBSE

IMPORTANT

Science Now 8>Chapter 14 - Some Natural Phenomena>EXERCISE>Q 4

Mention the different ways in which an uncharged object can be charged.

EASY

8th CBSE

IMPORTANT

Science Now 8>Chapter 14 - Some Natural Phenomena>EXERCISE>Q 5

Mention any two safety measures to be taken during an earthquake.

MEDIUM

8th CBSE

IMPORTANT

Science Now 8>Chapter 14 - Some Natural Phenomena>EXERCISE>Q 1

What is a lightning conductor? Explain its construction and working.

MEDIUM

8th CBSE

IMPORTANT

Science Now 8>Chapter 14 - Some Natural Phenomena>EXERCISE>Q 2

Explain how an object can be charged by induction.

MEDIUM

8th CBSE

IMPORTANT

Science Now 8>Chapter 14 - Some Natural Phenomena>EXERCISE>Q 3

Explain the principle of gold-leaf electroscope with a schematic diagram.

EASY

8th CBSE

IMPORTANT

Science Now 8>Chapter 14 - Some Natural Phenomena>EXERCISE>Q 4

Explain the method of charging an object by friction.