Science Standard 9>Chapter 3 - Fluids>textbook exercises>Q viii

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9th Tamil Nadu Board

IMPORTANT

Earn 100

The density of mercury is $13600 kg m^{- 3}$ . Calculate the relative density. (Take the density of water is $1000 kg m^{- 3}$ )

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Important Questions on Fluids

EASY

9th Tamil Nadu Board

IMPORTANT

Science Standard 9>Chapter 3 - Fluids>textbook exercises>Q viii

The density of water is

1 g {cm}^{- 3}

. What is its density in SI units?

EASY

9th Tamil Nadu Board

IMPORTANT

Science Standard 9>Chapter 3 - Fluids>textbook exercises>Q viii

Calculate the apparent weight of wood floating on water if it weighs

100 g

in air.

MEDIUM

9th Tamil Nadu Board

IMPORTANT

Science Standard 9>Chapter 3 - Fluids>textbook exercises>Q ix

How high does the mercury barometer in metre stand on a day when atmospheric pressure is

98.6 k Pa

? (Take density of mercury is

13.6 \times 10^{3} kg m^{- 3}

)

EASY

9th Tamil Nadu Board

IMPORTANT

Science Standard 9>Chapter 3 - Fluids>textbook exercises>Q ix

How does a fish manage to rise up and move down in the water?

EASY

9th Tamil Nadu Board

IMPORTANT

Science Standard 9>Chapter 3 - Fluids>textbook exercises>Q ix

If you put one ice cube in a glass of water and another in a glass of alcohol, what would you observe? Explain your observations.

EASY

9th Tamil Nadu Board

IMPORTANT

Science Standard 9>Chapter 3 - Fluids>textbook exercises>Q ix

Why does a boat with a hole in the bottom would eventually sink?