explain why, we can easily move hand in air but to do the same through a plank of wood we need karate expert.
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(d) We can easily move our hand in air but to do the same through a solid block of wood we need a karate expert. Answer: (a) The particles of a gas are constantly moving in all the directions with different speeds. Therefore they do not have a fixed volume and hence completely fill the vessel in which they are kept.
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The particles of a gas are constantly moving in all the directions with different speeds. Therefore they do not have a fixed volume and hence completely fill the vessel in which they are kept.
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