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Some Natural Phenomena

Question

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Suggest three measures to protect ourselves from lightning.

Solution

Three measures to stay protected from lightning are:

(i) Stay indore or under covered area.

(ii) Don't take bath during lightning. Avoid any contact with running water.

(iii) We should not use T.V. or phone during lightning.

Some More Questions From Some Natural Phenomena Chapter

Write T against true and F against false in the following statements:

Like charges attract each other.

Write T against true and F against false in the following statements:

A charged glass rod attract a charged plastic straw.

Write T against true and F against false in the following statements:

Lightning conductor cannot protect a building from lightning.

Write T against true and F against false in the following statements:

Earthquakes can be predicted in advance.

Sometime, a crackling sound is heard while taking off sweater during winters. Explain.

Explain why a charged body loses its charge if we touch it with our hand.

Name the scale on which the destructive energy of an earthquake is measured. An earthquake measures 3 on this scale. Would it be recorded by a seismograph? Is it likely to cause much damage?

Suggest three measures to protect ourselves from lightning.

Explain why a charged balloon is repelled by another charged balloon whereas an uncharged balloon is attracted by another charged balloon?

Describe with the help of a diagram an instrument which can be used to detect a charged body.

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