V K Sally and R Goel Solutions for Chapter: Gravitation, Exercise 14: EXERCISE

Author:V K Sally & R Goel

V K Sally Physics Solutions for Exercise - V K Sally and R Goel Solutions for Chapter: Gravitation, Exercise 14: EXERCISE

Attempt the free practice questions on Chapter 3: Gravitation, Exercise 14: EXERCISE with hints and solutions to strengthen your understanding. Core Science Physics For Class 9 solutions are prepared by Experienced Embibe Experts.

Questions from V K Sally and R Goel Solutions for Chapter: Gravitation, Exercise 14: EXERCISE with Hints & Solutions

MEDIUM
9th CBSE
IMPORTANT

What do you understand by the following terms?

(a) Upthrust  (b) Buoyancy

EASY
9th CBSE
IMPORTANT

State the factors which are responsible for the buoyant force.

EASY
9th CBSE
IMPORTANT

State Archimedes’ principle?

MEDIUM
9th CBSE
IMPORTANT

State whether upthrust will increase or decrease, if:

(a) the volume of solid increases.

(b) the density of a liquid in which the solid floats decrease.

EASY
9th CBSE
IMPORTANT

What do you understand by the term relative density? State its units.

HARD
9th CBSE
IMPORTANT

How can you verify Archimedes’ principle by using a spring balance and an overflow jar?

MEDIUM
9th CBSE
IMPORTANT

A cube of side 5 cm is immersed in water and then in the saturated salt solution. In which case will it experience a greater buoyant force? If each side of the cube is reduced to 4 cm and then immersed in water, what will be the effect on the buoyant force experienced by the cube as compared to the first case for water? Give reason for each case.

MEDIUM
9th CBSE
IMPORTANT

A ball weighing 4 kg of density 4000 kg m-3 is completely immersed in water of density 103  kg/m3. Find the force of buoyancy on it.(Given, g=10 m s-2).