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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. |
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Answer» 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. |
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