EASY
9th CBSE
IMPORTANT
Earn 100

Why does a balloon filled with hydrogen or helium gas rise up?

Important Questions on Floating Bodies
EASY
9th CBSE
IMPORTANT
A small iron needle sinks in water but a ship made of iron floats in water. Why?

EASY
9th CBSE
IMPORTANT
How does an ice-berg float on water?

EASY
9th CBSE
IMPORTANT
Define pressure.

EASY
9th CBSE
IMPORTANT
What is the SI unit of pressure?

EASY
9th CBSE
IMPORTANT
What is thrust?

EASY
9th CBSE
IMPORTANT
What is the SI unit of thrust?

EASY
9th CBSE
IMPORTANT
What is fluid?

EASY
9th CBSE
IMPORTANT
What is buoyant force?
