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LAKHMIR SINGH & MANJIT KAUR-SOME NATURAL PHENOMEAN-EXERCISE
- Why Does Lightning Strike ?
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- A pipe can fill a tank in 12 minutes. Another pipe can empty a tank in...
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- Name the scientist who invented the lightning conductor.
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- Why are lightning strike more frequent in hilly areas ?
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- What is an earthquake ?
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- What are two main situations in which earthquakes occur ?
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- Define focus, of an earthquake.
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- Define epicentre, of an earthquake
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- What are the various effects of an earthquake ?
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- Name the three layers of earth .
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- Draw a labelled diagram to show the structure of earth.
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- What is a seismograph ?
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- Which of the following cannot be charged by friction, if held by hand ...
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- When a glass rod is rubbed with silk, it
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- Which of the following are transferred from one object to another when...
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- The electric nature of lightning was established by a scientist named ...
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- A plastic comb is rubbed with dry hair whereas a glass rod is rubbed w...
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- Earthquakes
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- An earthquake of magnitude 2 on richter scale is :
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- The epicentre of an earthquake is :
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