EASY
11th West Bengal Board
IMPORTANT
Earn 100

Is Torricellian vacuum in a barometer really vacuum ? 

Important Questions on Fluid Statics

EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 67
Why do you get different readings if a barometer is taken from the bottom to the top of a hill ?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 68
Why does an ordinary balloon rise to the ceiling when filled with hydrogen, but drops on the floor when filled with carbon-dioxide ?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 69
A gas balloon rises upward by gaining kinetic energy and potential energy. Does this imply a violation of principle of conservation of energy ? Give reasons for your answer.
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 70
Explain why a balloon filled with helium does not rise in air indefinitely but halts after a certain height. Neglect winds.
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 71
Explain why a balloon filled with helium does not rise in air indefinitely but halts after a certain height. Neglect winds.
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 72
What are the advantages of using mercury in a barometer ?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 73
How the observed pressure in a barometer would be affected if some gas gets into the space above mercury column in a barometer ?
EASY
11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 74
Does the reading of the Fortin's barometer change if the tube does not remain in the vertical position ?