Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>Summative Assessment>Q 7

EASY

9th CBSE

IMPORTANT

Earn 100

An oil of relative density $1.1$ and volume $2$ litre is poured on water. (a) What is the mass of oil, (b) Suppose the oil does not mix with water, which will form the lower layer?

Important Questions on Floating Bodies

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>NTSE--Target: Scholastic Aptitude Test-SAT>Q 1

A body floats

\frac{1}{3}

of its volume outside water and

\frac{3}{4}

of its volume outside another liquid. The density of the other liquid is:

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>NTSE--Target: Scholastic Aptitude Test-SAT>Q 2

A hydrometer floats with half of its stem outside water surface. It is now placed in alcohol (

R . D . = 0.8

). The hydrometer now floats -

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>NTSE--Target: Scholastic Aptitude Test-SAT>Q 3

Ice floats on water in a beaker. When ice completely melts then the level of water in a beaker:

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>NTSE--Target: Scholastic Aptitude Test-SAT>Q 4

The volume of a substance is

20 {cm}^{3}

. The mass of the substance if its relative density is

2.5

will be _____.

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>NTSE--Target: Scholastic Aptitude Test-SAT>Q 5

Why is it easier to swim in sea water?

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>NTSE--Target: Scholastic Aptitude Test-SAT>Q 6

A body floats in liquid but stays completely immersed in it when :

EASY

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>NTSE--Target: Scholastic Aptitude Test-SAT>Q 7

Which will be easier to lift?

MEDIUM

9th CBSE

IMPORTANT

Modern's abc+ Of Science - Physics For Class IX>Chapter 4 - Floating Bodies>NTSE--Target: Scholastic Aptitude Test-SAT>Q 8

A piece of cork of mass

4 kg

floats in water with

40 %

of its volume underwater. What is the specific gravity of the cork?