EASY
9th Tamil Nadu Board
IMPORTANT
Earn 100

Why does a helium balloon float in air?

Important Questions on Fluids

EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 3 - Fluids>textbook exercises>Q v
Why it is easy to swim in sea water than river water?
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 3 - Fluids>textbook exercises>Q v
What is meant by atmospheric pressure?
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 3 - Fluids>textbook exercises>Q v
State Pascal's law.
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 3 - Fluids>textbook exercises>Q vi
With an appropriate illustration prove that the force acting on a smaller area exerts a greater pressure.
HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 3 - Fluids>textbook exercises>Q vi
Describe the construction and working of the mercury barometer.
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 3 - Fluids>textbook exercises>Q vi
How does an object's density determine whether the object will sink or float in water?
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 3 - Fluids>textbook exercises>Q vi
Explain the construction and working of a hydrometer with a diagram.
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 3 - Fluids>textbook exercises>Q vi
State the laws of floatation.