CBSE > Class 09 > Science | CBSE Board | Homework Help

Angular velocity as the word itself suggests that it is velocity at any point of the circular path of the body which is perpendicular to the centripetal force on the body. Retardation is negative acceleration

3Thank You

ANSWER

वास्तविक विलयन किसे कहते हैं ? उदाहरण देकर के वास्तविक विलयन के गुणधर्म लिखिए।

Posted by Karan Verma 3 years, 7 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

What is Force ? for 9th standard

Posted by Moksha Sahu 3 years, 7 months ago

CBSE > Class 09 > Science

5 answers

Anupama Anupama. M. 3 years, 7 months ago

A force is an effort that changes the state of an object at rest or at motion. It can change an object's direction and velocity.Force can also change the shape of an object.

2Thank You

Jatin Prakash 3 years, 7 months ago

Push and pull is called force

3Thank You

Rimjhim Chaudhari 3 years, 7 months ago

A force is an effort that changes the state of an object at rest or at motion.

6Thank You

Prithvijeet Saha 3 years, 7 months ago

An external agent that causes an object to move or to come to rest from it's motion is called force. OR An external agent that causes push or pull on an object is called force.

3Thank You

Dhanvanth L 3 years, 7 months ago

In physics, a force is any interaction that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity

5Thank You

ANSWER

convert into mole 90g of water

Posted by Pooja Verma 3 years, 7 months ago

CBSE > Class 09 > Science

4 answers

Bhumika Verma 3 years, 7 months ago

5moles

0Thank You

Ajay Kumar Yadav 3 years, 7 months ago

90/H2O =90/1×2+16 =90/18 =5mole

0Thank You

Ajay Kumar Yadav 3 years, 7 months ago

5mole

1Thank You

Ajay Kumar Yadav 3 years, 7 months ago

30.11×10^23

1Thank You

ANSWER

Sir muje physics ke 1234chapter ke notes chsiye

Posted by Kaushal Kumar 3 years, 7 months ago

CBSE > Class 09 > Science

1 answers

Simran Dumra 3 years, 7 months ago

Notes are available on website already

0Thank You

ANSWER

Science physics

Posted by Kaushal Kumar 3 years, 7 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

Chemistry ch 4 questions answers

Posted by Geeta Sharma 3 years, 7 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

what are the Functions of epidermis

Posted by Ansh Rathore 3 years, 7 months ago

CBSE > Class 09 > Science

4 answers

Simran Dumra 3 years, 7 months ago

It is the protective tissue it is present on the aerial part of a cell

0Thank You

Sandeep Singh 3 years, 7 months ago

The epidermis act as a protective tissue . It secretes waxy water resistant coating which prevent water loss in plant . It protect plant from invansion of fungi . In roots epidermis has long hair like structure which prevents water loss

0Thank You

Yashvini Devadiga 3 years, 7 months ago

The epidermis aids in protection against loss of water, mechanical injury and invasion by parasitic fungi. Since it has a protective layer to play, cell of epidermis tissue form a continuous layer without intercellular spaces.

2Thank You

Amit Telsang 3 years, 7 months ago

It protects the cell and is present in outermost part of cell

2Thank You

ANSWER

How can ultrasound be used to detect the defect in metal block ?

Posted by Himani Kumari 3 years, 7 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

A body has weight of 10 kg on the surface of earth. What will be it's weight when taken to the centre of earth?

Posted by Aryan Singh 3 years, 7 months ago

CBSE > Class 09 > Science

2 answers

Yashita Jain 3 years, 7 months ago

It'll remain the same as the force of gravity is the same everywhere on Earth

0Thank You

Sakshi Soni 3 years, 7 months ago

5Thank You

ANSWER

Which of the following substance is pure? a) Element b) Compound c) Mixture Option : A]Both element and compound B]Mixture C]Only Element D]Only compound

Posted by Moksh Yadav 3 years, 7 months ago

CBSE > Class 09 > Science

3 answers

Yashita Jain 3 years, 7 months ago

Both

0Thank You

Aman Saini 3 years, 7 months ago

Both elements and compound are a form of pure substance

0Thank You

Harsh Maurya 3 years, 7 months ago

2Thank You

ANSWER

Which of the following substance is pure? a) Element b) Compound c) Mixture ABoth element and compound BMixture COnly Element DOnly compound

Posted by Moksh Yadav 3 years, 7 months ago

CBSE > Class 09 > Science

1 answers

Aman Saini 3 years, 7 months ago

Both elements and compound are a form of pure substance

0Thank You

ANSWER

If I'm not wrong then milk is a heterogeneous mixture... We can see two or more phase in heterogeneous mixture but there's only one phase in milk... Why?

Posted by Moksh Yadav 3 years, 7 months ago

CBSE > Class 09 > Science

1 answers

Sonali Bhosale 3 years, 7 months ago

It depends on the milk quality and many other factors. But if you buy a tetra pack milk then you will not see fat globules and milk differently they are mostly uniformly mixed

0Thank You

ANSWER

Hey can anyone please provide me a specific list of science all chapter with deleted portion which are comming in the final exams please give Answer

Posted by Sneha Mishra 3 years, 7 months ago

CBSE > Class 09 > Science

3 answers

Kiran Sangwan 3 years, 7 months ago

Yes we have discuss with our school

0Thank You

Aman Saini 3 years, 7 months ago

It varies from school to school I think once u should confirm from ur school

1Thank You

Shubh Routh 3 years, 7 months ago

For science The final chapters are:- Ch-2 Ch-3 Ch-4 Ch-5 Ch-6 Ch-8 Ch-9 Ch-10(till free fall) Ch-11 Ch-13 Ch-14 Total Chapters:10.5 Physics:- 8, 9, 10(only half of the chapter till free fall),11 Physics total:- 3.5 Chemistry total:-3, Chemistry:- 2, 3 and 4 Biology total:- 4, bio:- 5,6,13 and 14 Science:- 3.5 +3+4 Science total:- 10.5 chapters Note:- clarify the chapters given and note in a notebook, after that just ask your teacher whether this is right or wrong, because I might miss something. Visit this website for the pdf provided by CBSE:- Copy the link, not the brackets in the text and paste it on the web, the website opens drive.google.com/file/d/1hwFBdtzNke-v0fHTVZvD0CUN3eZ8Tf0b/view

2Thank You

ANSWER

Concentration of Mass

Posted by Megha Aggarwal 3 years, 7 months ago

CBSE > Class 09 > Science

1 answers

Sonali Bhosale 3 years, 7 months ago

It is called center of gravity

1Thank You

ANSWER

In what way angiosperms are more advanced than the previous classes of plants

Posted by Vishruth Vishruth 3 years, 7 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

What is reference point? [1 mark] No need to copy paste from google if I wanted that answer I haven't asked it here... I just want a *simple definition*

Posted by Moksh Yadav 3 years, 7 months ago

CBSE > Class 09 > Science

1 answers

Aman Saini 3 years, 7 months ago

Reference point means a stable object or an object which is at rest.. And from where we see that another object old moving or not Not copied pasted u can check

0Thank You

ANSWER

What is the atomicity of ozone and phosphorus

Posted by Tanishka Rana 3 years, 7 months ago

CBSE > Class 09 > Science

3 answers

Bhumika Verma 3 years, 7 months ago

3 and 4

1Thank You

Keerthana P B 3 years, 7 months ago

Ozone 3 Phosphorus 4

1Thank You

Bubbly Cs 3 years, 7 months ago

Ozone 3

1Thank You

ANSWER

How does the force of gravitation between 2 objects change when distance between them is reduced to half

Posted by Manthan Kaushik 3 years, 7 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

Which of the following conditions wil give the most benifit why?

Posted by M.D Riyas 3 years, 7 months ago

CBSE > Class 09 > Science

0 answers

ANSWER

ses 1. An object experiences a net zero external unbalanced force. Is it possible for the object to be travelling with a non-zero velocity? If yes, state the conditions that must be placed on the magnitude and direction of the velocity. If no, provide a reason

Posted by Akshat Kesharwani 3 years, 7 months ago

CBSE > Class 09 > Science

1 answers

ᵐⁱˢˢ Lucid Dream 3 years, 7 months ago

Hᴇʏ ᴍᴀᴛᴇ! Hᴇʀᴇ's ᴜʀ Answer: When a net zero external unbalanced force is applied on the body, it is possible for the object to be travelling with a non-zero velocity. In fact, once an object comes into motion and there is a condition in which its motion is unopposed by any external force; the object will continue to remain in motion. It is necessary that the object moves at a constant velocity and in a particular direction.

0Thank You

ANSWER

If an object is influenced by both muscular force and gravitational force than will it be a free fall

Posted by Priyal Gupta 3 years, 7 months ago

CBSE > Class 09 > Science

1 answers

Akshat Kesharwani 3 years, 7 months ago

Yes

2Thank You

ANSWER

Is it possible that mass and weight can be equal

Posted by Priyal Gupta 3 years, 7 months ago

CBSE > Class 09 > Science

1 answers

ᵐⁱˢˢ Lucid Dream 3 years, 7 months ago

Nope

1Thank You

ANSWER

Explain cooling caused by evaporation

Posted by Ananya Kumari 3 years, 7 months ago

CBSE > Class 09 > Science

1 answers

Digvijay Singh ?? 3 years, 7 months ago

As perspiration evaporates it absorbs heat to cool your body. The principle underlying evaporative cooling is the fact that water must have heat applied to it to change from a liquid to a vapor.

0Thank You

ANSWER

Definition of motion. (class 9)

Posted by Moksh Yadav 3 years, 7 months ago

CBSE > Class 09 > Science

3 answers

Archit Chandak 3 years, 7 months ago

Changing of time

0Thank You

Rupal Solanki 3 years, 7 months ago

The phenomenon of change of position of object with time is called as motion.

0Thank You

Rao Sahab 3 years, 7 months ago

Movement of any object from one position to another position with respect to the observer is called as Motion.

3Thank You

ANSWER

Why is g called universal gravitational constant

Posted by Nafiya Naaz 3 years, 7 months ago

CBSE > Class 09 > Science

1 answers

Bubbly Cs 3 years, 7 months ago

G is called universal gravitational constant because it is constant everywhere in the universe.

0Thank You

ANSWER

Can anyone explain me about mole concept

Posted by A B 3 years, 7 months ago

CBSE > Class 09 > Science

2 answers

A B 3 years, 7 months ago

Thank you very much ??

1Thank You

Amit Kumar 3 years, 7 months ago

The mole is an amount unit similar to familiar units like pair, dozen, gross, etc. It provides a specific measure of the number of atoms or molecules in a bulk sample of matter. A mole is defined as the amount of substance containing the same number of discrete entities (atoms, molecules, ions, etc.)

1Thank You

ANSWER

How is the concentration expraced

Posted by Neel Kanani 3 years, 7 months ago

CBSE > Class 09 > Science