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Question

State whether the following statements are true or false :

(a) Like charges attract each other.

(b) A charged glass rod attracts a charged plastic straw.

(c) Lightning conductor cannot protect a building from lightning.

(d) Earthquakes can be predicted in advance.

(e) An earthquakes of magnitude 2 on Richter Scale is ten times as strong as an earthquake of magnitude 1 on the same Scale.

(f) The plates  of earth's crust are continuously moving.

(g) An earthquake is measured and recorded by using an instrument called electrocardiograph.


Solution

(a) False (b) True (c) False (d) False (e) True (f) True (g) False

Physics
Science for Eighth Class
Standard VIII

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