Some Natural Phenomena-The Story of Lightning [CBSE (Central Board of Secondary Education) Class-8 Science]: Questions 1 - 6 of 7

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Question 1

Question MCQ▾

Lightning conductor consists of:

Choices

Choice (4)Response

a.

Two copper plates

b.

Two charged metals

c.

Copper strip on the outside of the building which connect metal spikes at the top to a metal plate in the ground

d.

Metal rod or a cycle spoke with a metal ball or bulb

Edit

Question 2

Question MCQ▾

What we don՚t do during thunderstorm

Choices

Choice (4)Response

a.

Don՚t lie flat on the ground

b.

Carrying an umbrella during thunderstorm is not safe

c.

Not to touch any metal

d.

All a., b. and c. are correct

Edit

Question 3

Question MCQ▾

Accumulation of charge leads to:

Choices

Choice (4)Response

a.

Charging

b.

Earthing

c.

Discharging

d.

Lightning

Edit

Question 4

Question MCQ▾

What to do during thunderstorm:

Choices

Choice (4)Response

a.

Monitor thunderstorms from indoors

b.

Avoid contact with all sorts of pipes

c.

Unplug all the electrical and electronic equipment

d.

All a., b. and c. are correct

Edit

Question 5

Question MCQ▾

Safety measures against lightening are:

Choices

Choice (4)Response

a.

Do not use wired phones

b.

Rush indoors to protect yourself

c.

Keep distance from vulnerable locations

d.

All a., b. and c. are correct

Edit

Question 6

Question MCQ▾

Lightning conductor works on the effect

Choices

Choice (4)Response

a.

Earthing

b.

Discharging

c.

Action at points

d.

Grounding

Edit