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The finest particle in a substance is called as atom. The group of atoms combines to form a molecule. Eg: Na(sodium atom), Cl(chlorine atom) these two atoms combines in the ratio of 1:1 to form the molecule NaCl(sodium chloride)

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What is solution and kinds of solution

Posted by Shubham Kumar 3 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Chaithanya Kumar 8Th Class 3 years, 1 month ago

The homogeneous mixture of two substances is called solution. There are two components in a solution called solvent and solute

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Siddhi Kochhar 3 years, 1 month ago

A solution can be categorized into several components. ... In solid solutions, solute and solvent are in the solid-state. For example ceramics and polymer blends. In liquid solutions, solid, gas or liquid is mixed in a liquid state. Gaseous solutions are usually homogenous mixtures of gases like air. There are three types of solutions that can occur in your body based on solute concentration: isotonic, hypotonic, and hypertonic.

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To balls A and B of masses m and m2 in motion with velocity 2v and v respectively compare there inertia . There momentum and compare the force needed to stop them in given time

Posted by Ashish Saini 3 years, 1 month ago

CBSE > Class 09 > Science

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Explain , why some of the leaves may get detached from a tree , if we vigorously shake it's branch ?

Posted by Rohini Prajapati ..... 🤪 3 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Chaithanya Kumar 8Th Class 3 years, 1 month ago

Due to the inertia of rest ie: when we shake the tree then the leaves tries to stay in their position so the tree will move and the leaf will falls

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A scooter is moving with a inital velocity of 90km per hour and take 10 second to stop it after the brakes are applied calculate the force acerted by the brakes of the scooter of its mass along with rider is to 100kg what would be the force if mass is half

Posted by Ashish Saini 3 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Shubham Sharma 3 years, 1 month ago

u=90×5÷18 t=10s deacceleration(a)=? a=v-u÷t a=0-25÷10 a=2.5m/sec^2

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A bullet of mass =10g moving with a velocity of embedded in a freely suspended wooden clock of 900g. What is the velocity accured by block

Posted by Ashish Saini 3 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Chaithanya Kumar 8Th Class 3 years, 1 month ago

Incomplete question

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What is the syllabus of physics

Posted by Raman Pandey 3 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Bhavna Sharma 3 years, 1 month ago

Yes same answer

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Sudha Kumari 3 years, 1 month ago

In term 1 Ch :1 motion Ch:-2 force and law of motion And In Term:-2 Ch:- 3 gravitation by leaving flotation part Ch:-4 work and energy

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Give me Hard and tricks questions for matter in our surroundings at least 5

Posted by Mayank Srivastava 3 years, 1 month ago

CBSE > Class 09 > Science

4 answers

Shrishti Rathore 3 years, 1 month ago

Definition of sublimation

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Pra Jit 3 years, 1 month ago

I know the answer for both kushi K patel ,andchathanya Kumar ?? but I should not tell the answer so I ask a question what is the boiling point of water at sea level?

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Chaithanya Kumar 8Th Class 3 years, 1 month ago

Explain kinetic theory of gases State the properties of bose einstein condensate What is the glowing material in tube light and how the stars glow?

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Khushi K Patel 3 years, 1 month ago

Name one property which is show by naphthalene and not by sodium chloride.

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Rays of sun are : Solid , Liquid , or Gas .

Posted by Rohini Prajapati ..... 🤪 3 years, 1 month ago

CBSE > Class 09 > Science

4 answers

Shubham Sharma 3 years, 1 month ago

Solid

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Bhavna Sharma 3 years, 1 month ago

Gas

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Chaithanya Kumar 8Th Class 3 years, 1 month ago

Light is made up of very tiny energy pockets called photons which are solid in nature hence the light is solid in nature

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Khushi K Patel 3 years, 1 month ago

Gas

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We move towards one side when we go along a hair pin bend .Give reason?

Posted by Vishal V 3 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Jashanpreet Kaur Jashanpreet Kaur 3 years, 1 month ago

Matter around is pure

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How do substances like Co2 water move in and out of the cell?

Posted by Likhith Kannadiga 3 years, 1 month ago

CBSE > Class 09 > Science

5 answers

Chaithanya Kumar 8Th Class 3 years, 1 month ago

Its ok

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Pra Jit 3 years, 1 month ago

By diffusion process

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Khushi K Patel 3 years, 1 month ago

Diffusion

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Likhith Kannadiga 3 years, 1 month ago

Thanks Chaitanya

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Chaithanya Kumar 8Th Class 3 years, 1 month ago

Due to the process called diffusion

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Isotopes defination

Posted by Wansaka Suchiang 3 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Avinesh Kumar Shyam 3 years, 1 month ago

Isotopes one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table and nearby identical chemical behaviour but with different atomic masses and physical properties every chemical element has one or more isotopes

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Two objects each of mass 1.5 kg are moving along the same straight line. Velocity of each object is 2.5 m/s before the collision during which they stick together. What will be the velocity of combined objects after collision?

Posted by Shubham Khanna 3 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Shrishti Rathore 3 years, 1 month ago

V=0

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V.V. Rajavardhan 3 years, 1 month ago

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Find the recoil velocity of a gun having mass equal to 5 kg, if a bullet of 25gm acquires the velocity of 500m/s after firing from the gun.

Posted by Shubham Khanna 3 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Chaithanya Kumar 8Th Class 3 years, 1 month ago

2.5 m/s

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Two balls A and B of masses 'm' and '2 m' are in motion with velocities '2 v' and 'v' respectively. Compare (i) their inertia (ii) their momentum and (iii) the force needed to stop them in the same time.

Posted by Shubham Khanna 3 years, 1 month ago

CBSE > Class 09 > Science

0 answers

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A car of mass 200 kg moving at 36 km/h is brought to rest after it covered a distance of 10 m. Find the retarding force acting on the car.

Posted by Shubham Khanna 3 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Chaithanya Kumar 8Th Class 3 years, 1 month ago

1000 newtons (I cant explain them properly)

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What is the nature of the distance-time graphs for uniform and non-uniform motion of an object

Posted by Neichülie Kense 3 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Pra Jit 3 years, 1 month ago

The nature distance time graph for uniform motion is a slope ( /) line AND whereas in non uniform motion won't be a slope.

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Ankit Kumar 3 years, 1 month ago

The nature of the distance time graph for uniform motion is straight line. The nature of the distance time graph for non uniform motion is curved line.

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A bus stating from rest moves with a uniform acceleration of 0.1m s_2 for 2 minute. Find (a) the speed acquired , (b ) the distance travel

Posted by Anshika Abha 3 years, 1 month ago

CBSE > Class 09 > Science

2 answers

Naitik Rastogi 3 years, 1 month ago

720

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Rudra Singh 3 years, 1 month ago

A bus starting from rest - (u =0) Acceleration (a)- 0.1m/s² Time (t)- 2 minutes =120second Distance travel (s)=? Then, s=ut+½at² s=0×120+½×0.1×(120)² s=½×0.1×14400 s=½×1440 s=720m (b traveled)

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Features of squamous epithelium and columnar epithelium

Posted by Srinithi N W .H Vijayarajan 3 years, 1 month ago

CBSE > Class 09 > Science