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

a minute portion, piece, fragment, or amount; a tiny or very small bit: a particle of dust; not a particle of supporting evidence. Physics. one of the extremely small constituents of matter, as an atom or nucleus.

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A train starting from stationary position and moving with uniform acceleration of 36km/hr in 10 minutes.Find its acceleration

Posted by Nauras Naba 1 year, 4 months ago

CBSE > Class 09 > Science

1 answers

Ishi Raman 1 year, 3 months ago

U= 0 km/h V= 36 km/h T=10 mins A= v-u/t A=36/ 1/6 36 × 6 = 216 km

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When do chromatin fibres organise themselves into chromosome?

Posted by Arushi 1 year, 4 months ago

CBSE > Class 09 > Science

3 answers

Arushi 1 year, 4 months ago

Oky thanks 👍🏻

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Prathmesh Jain 1 year, 4 months ago

Chromatin condenses into chromosomes during cell division.

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Tejasvi Raj 1 year, 4 months ago

When the cell division occur

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What are all the properties of gases?

Posted by Piyush Sahu 1 year, 4 months ago

CBSE > Class 09 > Science

4 answers

Yashika Sharma 1 year, 3 months ago

gases flow easily they compressed easily there molecules are too far

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Saraswati Sha 1 year, 3 months ago

Dono ka galat

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Kajal Jha 1 year, 4 months ago

There are the five types of properties are solid,liquid,gas,plasma,Bec

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Pooja Kumari 1 year, 4 months ago

There are five properties of mater Solid Liquid Gas Plasma BEC

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What are the factors affecting evaporation?

Posted by Jaswinder Kalra 1 year, 4 months ago

CBSE > Class 09 > Science

4 answers

Jaswinder Kalra 1 year, 2 months ago

Thank uu

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Aditya Raj 1 year, 3 months ago

Temperature Wind speed Surface area Humidity are the factors of effacting evaporation

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Tejasvi Raj 1 year, 4 months ago

Temperature Wind speed Surface area Humidity. Etc are the factors of evaporation

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Jaswinder Kalra 1 year, 4 months ago

Increase in surface area Increase of temprature A decrease of humidity An increase in wind speed

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Can prokaryotic cell change its shape

Posted by Ishav Verma 1 year, 4 months ago

CBSE > Class 09 > Science

4 answers

Yashika Sharma 1 year, 3 months ago

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Aagumpreet Kaur 1 year, 3 months ago

Yes

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Mukesh Anand 1 year, 4 months ago

Can

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Jaswinder Kalra 1 year, 4 months ago

Yes

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ᴅᴇꜰɪɴᴇ fifth ꜱᴛᴀɢᴇ ᴏꜰ ᴍᴀᴛᴛᴇʀ ʙᴏꜱꜱ ᴇɪɴꜱᴛᴇɪɴ ᴄᴏɴdensate.

Posted by Kashvi Aggarwal 1 year, 4 months ago

CBSE > Class 09 > Science

2 answers

Tejasvi Raj 1 year, 4 months ago

Collection of particles at nearly 0 Kelvin is called bose Einstein condensate

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Pragy Bajpai 1 year, 4 months ago

Tell

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ᴅᴇꜰɪɴᴇ ꜰᴏrth ꜱᴛᴀɢᴇ ᴏꜰ ᴍᴀᴛᴛᴇʀ ᴩʟᴀꜱᴍᴀ.

Posted by Kashvi Aggarwal 1 year, 4 months ago

CBSE > Class 09 > Science

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ᴡʜᴀᴛ ɪꜱ ᴍᴇʟᴛɪɴɢ ᴩᴏɪɴᴛ ᴏꜰ ɪᴄᴇ?? ᴡʜᴀᴛ ɪꜱ ʙᴏɪʟɪɴɢ ᴩᴏɪɴᴛ ᴏꜰ ᴡᴀᴛᴇʀ??

Posted by Kashvi Aggarwal 1 year, 4 months ago

CBSE > Class 09 > Science

1 answers

Aditya Kumar Singh 1 year, 4 months ago

Meeting point of ice is 0 degrees Celsius boiling point is 100 degree Celsius

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ᴅᴇꜰɪɴᴇ ᴍᴇʟᴛɪɴɢ ᴩᴏɪɴᴛ ᴏꜰ ᴀ ꜱᴜʙꜱᴛᴀɴᴄᴇ

Posted by Kashvi Aggarwal 1 year, 4 months ago

CBSE > Class 09 > Science

1 answers

Goated Raj 1 year, 4 months ago

The melting point is the temperature at which a solid turns to a liquiad

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ᴡʜy ᴅᴏᴇꜱ ᴇᴠᴀᴩᴏʀᴀᴛɪᴏɴ ᴄᴏᴏʟ ᴀ ʟɪqᴜɪᴅ

Posted by Kashvi Aggarwal 1 year, 4 months ago

CBSE > Class 09 > Science

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ᴡʜy ᴅᴏᴇꜱ ᴀ ᴅᴇꜱᴇʀᴛ ᴄᴏᴏʟᴇʀ ᴄᴏᴏʟ ʙᴇᴛᴛᴇʀ ᴏɴ ʜot ᴅʀy ᴅᴀy

Posted by Kashvi Aggarwal 1 year, 4 months ago

CBSE > Class 09 > Science

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ʜᴏᴡ ᴅᴏᴇꜱ ᴛʜᴇ ᴡᴀᴛᴇʀ ᴋᴇᴩᴛ ɪɴ ᴇᴀʀᴛʜᴇɴ ᴩᴏʀᴛ ʙᴇᴄᴏᴍᴇ ᴄᴏʟᴅ ᴅᴜʀɪɴɢ ꜱᴜᴍᴍᴇʀ

Posted by Kashvi Aggarwal 1 year, 4 months ago

CBSE > Class 09 > Science

1 answers

Radhika Tiwari 1 year, 4 months ago

By the process of evaporation

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What is lysosmes

Posted by Prince Raj 1 year, 4 months ago

CBSE > Class 09 > Science

1 answers

Kashvi Aggarwal 1 year, 4 months ago

ᴛʜᴇꜱᴇ ᴀʀᴇ ꜱᴍᴀʟʟ ꜱɪᴢᴇd ᴇɴᴢyᴍᴇꜱ containing vesicles which are bounded by a single membrane . These bodies contain hydrolytic enzymes. ᴛʜᴇꜱᴇ ᴀʀᴇ ᴀʟꜱᴏ ᴋɴᴏᴡɴ ᴀꜱ ꜱᴜɪᴄɪᴅᴀʟ ʙᴀɢ ᴏʀ ᴅɪɢᴇꜱᴛɪᴠᴇ ʙᴀgs ꜰᴜɴᴄᴛɪᴏɴꜱ:-) * ʜᴇʟᴩ ɪɴ ɪɴᴛᴇʀ ᴄᴇʟʟᴜʟᴀʀ ᴅɪɢᴇꜱᴛɪᴏɴ ᴏꜰ ꜰᴏᴏᴅ ᴩᴀʀᴛɪᴄʟᴇꜱ. * ᴛʜᴇy ᴅᴇꜱᴛʀᴏy ꜰᴏʀᴇɪɢɴ ꜱᴜʙꜱᴛᴀɴᴄᴇꜱ. * ᴛʜᴇy ʜᴇʟᴩ ɪɴ ᴅɪɢᴇꜱᴛɪᴏɴ ᴏꜰ ʙᴏɴᴇꜱ ʙy ᴅɪɢᴇꜱᴛɪɴɢ cartilage. * ᴛʜᴇy ᴄᴀʟʟᴇᴅ ᴅɪɢᴇꜱᴛɪᴏɴ ᴡᴀʀᴍ ᴏᴜᴛ ᴄᴇʟʟ ᴏʀɢᴀɴᴇʟʟᴇꜱ.

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A driver of a car travelling at 52 km per hour applies the brakes said the area on the graph that represent the distance travelled by the car during the period

Posted by Aryan Chandel 1 year, 4 months ago

CBSE > Class 09 > Science

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A truck driver slow down the truck from 66 km per Ho 30 km per are in 10 second find acceleration

Posted by Himanshu Godara 1 year, 4 months ago

CBSE > Class 09 > Science

2 answers

Goated Raj 1 year, 4 months ago

1 step change km into meter per second = 66×5/18=18.33m/s 30km =30×5/18=8.33m/s Acceleration =(v-u)/t = (8.33-18.33)/10m/s² =-1m/s²

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Himanshu Godara 1 year, 4 months ago

Explain with briefly

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A truck driver slow down the truck from 66 km per hour to 30 km per hour in 10 second find

Posted by Himanshu Godara 1 year, 4 months ago

CBSE > Class 09 > Science

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A bus was moving with a speed of 54 km/hr On applying the breaks , it Stopped in 8 sec . Calculate the acceleration and distance travelled before stopping

Posted by Radha Mahour 1 year, 4 months ago

CBSE > Class 09 > Science

1 answers

Priyanshi Singh 1 year, 4 months ago

Final velocity is 54km

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Draw the graph for a body moving with uniform velocity

Posted by Mimansa . 1 year, 4 months ago

CBSE > Class 09 > Science

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Sublimation camphor activity

Posted by Kreeti Singh 1 year, 4 months ago

CBSE > Class 09 > Science

2 answers

Vashu 😁 Singh 1 year, 4 months ago

Hii

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Mimansa . 1 year, 4 months ago

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1. Discuss in detail: a) Controlled motion b) Uncontrolled motion Also, illustrate with suitable examples and pictures of the same.

Posted by Hafsa Alavi 1 year, 4 months ago

CBSE > Class 09 > Science

1 answers

Hafsa Alavi 1 year, 4 months ago

Answer me plz

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Activity of ch -1 1.2

Posted by Anisha Kumari 1 year, 4 months ago

CBSE > Class 09 > Science

0 answers

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Chemistry activities 0.5

Posted by Nidhi Guriya Kumari 1 year, 4 months ago

CBSE > Class 09 > Science

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A bus decreases it speed from 80kmperhour to 60kmperhour in 5seconds find the acceleration

Posted by Anusha Parihar 1 year, 4 months ago

CBSE > Class 09 > Science

3 answers

Vishnu Kumar 1 year, 4 months ago

-1.11m/s

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Anusha Parihar 1 year, 4 months ago

Answer is -1.11

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Anusha Parihar 1 year, 4 months ago

Answer is0-1.11mpersec

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Holiday homework

Posted by Dhruv Khandelwal 1 year, 4 months ago

CBSE > Class 09 > Science

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A body travels 200 cm in the first 2 s and 220 cm in the next 5 s. Calculate the velocity at the end of the seventh second from the start.

Posted by Shubham Singhania 1 year, 4 months ago

CBSE > Class 09 > Science

1 answers

Ronak Sharma 1 year, 4 months ago

Right the difference between solid, liquid and gas

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Lori moves 4m due east and 3m due north. a) What is the distance covered by the Lori?

Posted by Nabamita Debnath 1 year, 4 months ago

CBSE > Class 09 > Science

2 answers

Priyanka Devi 1 year, 4 months ago

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Kushagra Sinha 1 year, 4 months ago

The distance covered by Lori would be 7m

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Bengali language

Posted by Anway Sanyal 1 year, 4 months ago

CBSE > Class 09 > Science

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Difference between evaporation and colling

Posted by H. J 1 year, 4 months ago

CBSE > Class 09 > Science

3 answers

Kashvi Aggarwal 1 year, 4 months ago

ʙᴏɪʟɪɴɢ :-) ʙᴏɪʟɪɴɢ ᴏᴄᴄᴜʀ ᴀᴛ ᴛʜᴇ ᴩᴀʀᴛɪᴄᴜʟᴀʀ ᴛᴇᴍᴩᴇʀᴀᴛᴜʀᴇ ᴡʜᴇɴ ᴛʜᴇy ʟɪqᴜɪᴅ ɪꜱ ʜᴇᴀᴛᴇᴅ ʙᴏɪʟɪɴɢ ɪꜱ ᴛʜᴇ bulk ᴩʜᴇɴᴏᴍᴇɴᴀ. ɪᴛ ɪɴᴠᴏʟᴠᴇꜱ ꜰᴏʀᴍᴀᴛɪᴏɴ ᴏꜰ ᴠᴀᴩᴏᴜʀꜱ ꜰʀᴏᴍ ᴛʜᴇ ᴇɴᴛɪʀᴇ ʟɪqᴜɪᴅ ʙᴏɪʟɪɴɢ ᴅᴇᴩᴇɴᴅꜱ ᴍɪɴɪ ᴏɴ ᴀᴛᴍᴏꜱᴛʀɪᴄ ᴩʀᴇꜱꜱᴜʀᴇ ᴀɴᴅ ᴀᴍᴏᴜɴᴛ ᴏꜰ ʜᴇᴀᴛ ꜱᴜᴩᴩʟɪᴇᴅ.

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Kashvi Aggarwal 1 year, 4 months ago

ᴇᴠᴀᴩᴏʀᴀᴛɪᴏɴ:-) *ᴇᴠᴀᴩᴏʀᴀᴛɪᴏɴ ᴏᴄᴄᴜʀꜱ ᴏɴ ɪᴛꜱ ᴏɴ ᴀᴛ ᴀʟʟ ᴛᴇᴍᴩᴇʀᴀᴛᴜʀᴇꜱ. *ᴇᴠᴀᴩᴏʀᴀᴛɪᴏɴ ɪꜱ ꜱᴜʀꜰᴀᴄᴇ ᴩʜᴇɴᴏᴍᴇɴᴏɴ ɪᴛ ᴛᴀᴋᴇꜱ ᴩʟᴀᴄᴇ ᴏɴʟy ꜰʀᴏᴍ ᴛʜᴇ ꜱᴜʀꜰᴀᴄᴇ ᴏꜰ ᴛʜᴇ ʟɪqᴜɪᴅ. *ᴇᴠᴀᴩᴏʀᴀᴛɪᴏɴ ᴄᴀᴜꜱᴇꜱ ᴄᴏᴏʟɪɴɢ ᴇꜰꜰᴇᴄᴛ. *ᴇᴠᴀᴩᴏʀᴀᴛɪᴏɴ ᴅᴇᴩᴇɴᴅꜱ ᴏɴ ᴍᴀɴy ꜰᴀᴄᴛᴏʀ ʟɪᴋᴇ ꜱᴜʀꜰᴀᴄᴇ ᴀʀᴇᴀ, ᴛᴇᴍᴩᴇʀᴀᴛᴜʀᴇ, ᴡɪɴᴅ, ꜱᴩᴇᴇᴅ, ʜᴜᴍɪᴅɪᴛy ᴇᴛᴄ.

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Shubham Singhania 1 year, 4 months ago

A liquid direct change in gas is called evaporation

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