# Class 9 Gravitation MCQ Quiz Set 2

Gravitation Quiz – 2 Test yourself what you have studied in this chapter with the help of this quiz created by the BrainIgniter experts and improve your study accordingly. Get the result instantly by clicking on submit button. Best wishes!

# Class 9 Force and Laws of Motion MCQ Quiz Set 2

Force Force and Laws of Motion Quiz – 2 Test yourself what you have studied in this chapter with the help of this quiz created by the BrainIgniter experts and improve your study accordingly. Get the result instantly by clicking on submit button. Best wishes!

# Class 9 Motion MCQ Quiz Set 2

Motion Quiz – 2 Test yourself what you have studied in this chapter with the help of this quiz created by the BrainIgniter experts and improve your study accordingly. Get the result instantly by clicking on submit button. Best wishes!

# Class 9 Force and Laws of Motion MCQ Quiz Set 1

Force and Laws of Motion Quiz – 1 Test yourself what you have studied in this chapter with the help of this quiz created by the BrainIgniter experts and improve your study accordingly. Get the result instantly by clicking on submit button. Best wishes!

# Class 9 Gravitation MCQ Quiz Set 1

Gravitation Quiz – 1 Test yourself what you have studied in this chapter with the help of this quiz created by the BrainIgniter experts and improve your study accordingly. Get the result instantly by clicking on submit button. Best wishes!

# Class 9 Motion MCQ Quiz Set 1

Motion Quiz – 1 Test yourself what you have studied in this chapter with the help of this quiz created by the BrainIgniter experts and improve your study accordingly. Get the result instantly by clicking on submit button. Best wishes!

# Establishing the relation between loss in weight of a solid when fully immersed in tap water and salty water with the weight of water displaced

Aim To establish the relationship between the loss in weight of solid when fully immersed in (i) tap water(ii) strongly salty water,with the wait of water displaced by it by taking at least two different solids. Apparatus Required spring balance, two small different (metallic) solid bodies, eureka can, measuring cylinder, a strong thread, tap water […]

# Determination of the density of solid by using a spring balance and a measuring cylinder

Aim To determine the density of solid (denser than water) by using a spring balance and a measuring cylinder. Materials Required Spring balance, measuring cylinder, water, solid body (denser than water) Theory The density of a substance is defined as its mass per unit volume. i.e., Density = S.I. unit of volume:- Kg/m3 Procedure Firstly […]

# Class 9 Sound Important Questions

Sound Important Questions What do you mean by the intensity of sound ? What is the S.I. unit of intensity of sound? Establish relationship between speed of sound, its wavelength and frequency. Write the factors on which the speed of sound depends upon. Waves of frequency 100 Hz are produced in a string as shown […]

# NCERT Solutions Class 9 Science Chapter 11 Work and Energy

In-Text Questions Solutions In Text-Questions Page 148 A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force (Fig. 11.3). Let us take it that the force acts on the object through the displacement. What is the work done in this case?Ans:- When a force […]