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MBD-QUESTION PAPER 2020-EXERCISE
- Frictional Force is produced because of ………….?
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- Which planet has life?
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- Why is it difficult to walk on ice?
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- Can an astronaut listen to the sound produced by another astronaut on ...
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- Write two methods of protection from lighning.
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- Which force is shown in this figure? Write a method to produce it.
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- Identify these constellations:
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- The sound produced by which instrument has more pitch?
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- On which factors does loudness and pitch depend?
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- What are the renewable and non- renewable natural sources?
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- Name three liquids, which when tested in a manner shown in fig. may ca...
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- Name the gases produced on passing electricity through water.
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- Does pure water conduct electricity? If not, what can we do to make it...
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- Is it safe for an electrician to carry out electrical repair outdoor d...
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