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 |
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 |
Question 3
Question MCQ▾
Accumulation of charge leads to:
Choices
Choice (4) | Response | |
---|---|---|
a. | Charging | |
b. | Earthing | |
c. | Discharging | |
d. | Lightning |
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 |
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 |
Question 6
Question MCQ▾
Lightning conductor works on the effect
Choices
Choice (4) | Response | |
---|---|---|
a. | Earthing | |
b. | Discharging | |
c. | Action at points | |
d. | Grounding |