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Will a body weigh more in air or in vacu...

Will a body weigh more in air or in vacuum when weiged with a spring balance? Give a reasonfor you answer.

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Weight in vacuum will be more since there is no upthrust of air.
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ICSE-FLUIDS-TOPIC 2 (2 Marks Questions )
  1. What is the cause of upthrust? At which point it can be considered to ...

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  2. A man first swims in sea water and then in river water. (i) compare ...

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  3. Will a body weigh more in air or in vacuum when weiged with a spring b...

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  4. a metal solid cylinder tied ot a thread is hanging from the hook of a ...

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  5. What is the unit of relative density?

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  6. State the principle of floatation.

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  7. A body held completely immersed inside a liquid experiences two forces...

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  8. When a piece of wood is suspended from the hook of a spring balance, i...

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  9. What is the centre of buoyancy? State its position for a floating body...

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  10. A nail sinks in water whereas it floats on mercury.

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  11. A piece of iron sinks in water, but a slip made of iron floats in wate...

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  12. A piece of ice is floating in a glass vessel filled with water. How wi...

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  13. Explain the following observation: "Icebergs floating in sea are dange...

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  14. Explain the following: An egg sinks in fresh water, but floats in a s...

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  15. Explain the following: A toy balloon filled with hydrogen rises to th...

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  16. Explain the following: As a ship in harbour is being unloaded, it slo...

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  17. A block of wood is so loaded that it just floats in water at room temp...

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  18. A block of wood is so loaded that it just floats in water at room temp...

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  19. A body of volume V and density PS, floats with volume v inside a liqui...

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  20. The density of iron is 7.8xx 10^3 "kg m"^(-3) What is its relative de...

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