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Density of Hot and Cold Air

A boy lost hi...

Question

A boy lost his helium balloon as it flew into the sky.
Which of the following statements is/are correct based on the given scenario.

Statement 1:The size of the balloon will increase as it rises and finally bursts.

Statement 2: Atmospheric pressure decreases with altitude.

A

Statement 2 is correct but statement 1 is incorrect.

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B

Both statements are correct.

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C

Both statements are incorrect.

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D

Statement 1 is correct but statement 2 is incorrect.

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Solution

The correct option is B Both statements are correct.

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Similar questions

Q. Read the given statements and select the correct option.
Statement 1: The size of a hydrogen balloon increases as it rises in air.
Statement 2: The material from which the balloon is made can be easily stretched.

Q. A balloon is filled with a gas called helium. As it rises higher and higher into the atmosphere, will it expand or shrink in size?

Q. A balloon is filled with helium at the atmospheric pressure

P_{0}

. The volume of spherical balloon is

v_{0}

. After being released, the balloon burst at an altitude where the atmospheric pressure is

\frac{P_{o}}{2}

. Before bursting the balloon has volume

\frac{5 V_{0}}{4}

, temperature remaining the same. If the mass of material of balloon is m and density at the time of bursting is

ρ_{o}

Q. Statement I: The balloon will contract as it goes up to the sky.
Statement II: The airpressure decreases with height.
Which of the following statement(s) is/are correct?

Q. Explain reasons for the following :

(a) A helium balloon bursts when it rises to high altitudes? [2 marks]

(b) We feel nauseated when we go deep underwater? [2 marks]

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