CBSE > Class 10 | CBSE Board | Homework Help

since the principal axis goes through the center of circle so line perpendicular to the principal axis from center of circle to the circumference of circle will form a line equal to half the height of object i.e 20cm(it is half because whple circle is 20+20 cm) so now we have ho=20 cm u= -30cm ( as mirror is 30cm away from center of circle) and f= -20cm by mirror formula :- 1/v+1/u=1/f =>1/v-1/30= -1/20 => 1/v= 1/30 - 1/20 => 1/v = 2-3/60 => v = - 60 cm now by magnification in mirror:- -v/u = hi/ho = m => -(-60)/(-30) = hi/20 =>-2 (20) = hi => hi = -40 cm so now the radius of crcle formed by image is equal to hi i.e radius of circle formed is 40cm

0Thank You

Abhinav Raj Singh 1 year, 11 months ago

if you give me your whatsapp no i can give you the solution with figure for much better explanation

0Thank You

ANSWER

The LCM of two numbers is 14 times their HCF. The sum of LCM and HCF is 600. If one number is 280, then find the other number.

Posted by Joban Preet 2 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Navya Bedi 2 years, 1 month ago

LCM(280,x)=14HCF(280,x)------1 LCM+HCF=600 LCM=600-HCF--------2 From 1 and 2 600-HCF=14HCF 600=15HCF HCF=40 LCM=14×40 LCM=560 Now, LCM×HCF=280×x 560×40=280x x=80 Hope this helps

0Thank You

Ahana Khanna 2 years, 1 month ago

600-280=320 So the other no. Is 320

0Thank You

Joban Preet 2 years, 1 month ago

1Thank You

ANSWER

Why is feedback so important In any communication process ?

Posted by Amit Dwivedi 2 years, 1 month ago

CBSE > Class 10 > Artificial Intelligence (417)

1 answers

Bhuvaneswari Gopal 2 years, 1 month ago

It helps the sender to make correct decisions based on the information gathered from the feedback received. Thus an appropriate feedback will improve the process of communication

0Thank You

ANSWER

Define the term defecation and peristaltic movement in biology??

Posted by Devika Prajapati 2 years, 1 month ago

CBSE > Class 10 > Science

2 answers

Mobasshir Alam 2 years, 1 month ago

The contraction and relaxation of oesophagus is peristaltic movement

0Thank You

Ankur Tiwari 2 years, 1 month ago

When our food are passed from oesophagus they contract or relaxed by movement of food

0Thank You

ANSWER

Reduction in green area has caused various enviromental problem. Comperhension

Posted by Him Anshu 2 years, 1 month ago

CBSE > Class 10 > English Communicative (101)

0 answers

ANSWER

9x²=324 + x²

Posted by Rohit Kharwar 2 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Pratiksha Limbu 2 years, 1 month ago

4.5

0Thank You

ANSWER

List three Characteristics of the electric current used in our house.??

Posted by Alfiya💫💫💫 . 2 years, 1 month ago

CBSE > Class 10 > Science

2 answers

Muhammed Azim Khan 2 years, 1 month ago

What is the main topic of heredity and evolution

0Thank You

Aastha Prajapati 2 years, 1 month ago

Three characteristics of the electric current used in our house are:- i) Appliances to be connected in parallel. ii) Each of the appliances has a separate switch to ON/Off the flow of current through it. iii) The potential difference between a live wire and the neutral wire is about 220V.

1Thank You

ANSWER

1: Which part of kidney acts as a dialysis bag? A) Glomerulas B) loop of henle C) Convulated tubule

Posted by Yogesh Singh 2 years, 1 month ago

CBSE > Class 10 > Science

3 answers

Gourav Sharma 1 year, 11 months ago

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

0Thank You

Kavyashree Yuvaraj 2 years, 1 month ago

Glomerulus

0Thank You

Aastha Prajapati 2 years, 1 month ago

Option A) Glomerulus is correct

0Thank You

ANSWER

What changes did Napoleon introduced to make the administrative system more efficient in the territories annexed under him ?

Posted by Mini Sharma 2 years, 1 month ago

CBSE > Class 10 > Social Science

1 answers

Sumit Kumar 2 years, 1 month ago

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

0Thank You

ANSWER

If Sin + cos = 2 , find sin^8 + cos^8

Posted by Pratyaksh Jain 2 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Aneek Bera 2 years, 1 month ago

Squaring both side we get sin²+cos²+2sincos=4 Sincos=3/2 A.T.C (Sin⁴+cos⁴)²-2sin⁴cos⁴ =[(sin²+cos²)²-2sin²cos²]²-3⁴ =(1-9)²-81 =64-81 =-17

0Thank You

ANSWER

Madhyak me x our y kaise nikale

Posted by Vipin Kumar 2 years, 1 month ago

CBSE > Class 10 > गणित

2 answers

Detective Talib 2 years, 1 month ago

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

2Thank You

Gaurav Singh Gaurav 2 years, 1 month ago

2Thank You

ANSWER

Sanskriti paath ke Aadhar per bataiye ki lekhak Ne Sanskriti ka Swaroop kin do dharnon ke madhyam se bataya hai

Posted by Richa Sharma 2 years, 1 month ago

CBSE > Class 10 > हिंदी ए

2 answers

Gourav Sharma 1 year, 11 months ago

Sabhyata or sanskriti

2Thank You

Palak Siwach 2 years ago

Sabya or sabyata

1Thank You

ANSWER

Explain why the decade of 1830 is known as the great economic hardship in Europe give reasons

Posted by Harjot Kaur Kaur 2 years, 1 month ago

CBSE > Class 10 > Social Science

1 answers

Mini Sharma 2 years, 1 month ago

The decade of 1830 is known as economic hardship in Europe because: i. During the 1830s, there was large-scale unemployment in Europe. In most of the European countries, employment opportunities were low in number, whereas job seekers were many. ii. Cities had come to be extremely overcrowded. As a result, slums had started coming up as more people migrated from the rural areas to the urban areas. iii. Small producers in towns were often faced with stiff competition from imports of cheap machine-made goods from England where industrialisation was more advanced, especially in textile production.

1Thank You

ANSWER

In the given figure XZ II BC. AZ = 3 cm. BM = 3cm . ZC = 2 cm. and MC = 5cm. Find the length of XY

Posted by Ankita Jetly 2 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Ashish Gupta 2 years, 1 month ago

Where is the figure 😂

3Thank You

ANSWER

Write a Python program which takes number as input from the user finds their average and also the square root of that average value

Posted by Neha Vaishya 2 years, 1 month ago

CBSE > Class 10 > Artificial Intelligence (417)

0 answers

ANSWER

compare the policies and methods used by Otto von Bismarck and sardar Vallabhbhai Patel

Posted by Shashank Swarnkar 2 years, 1 month ago

CBSE > Class 10 > Social Science

1 answers

Yadav Prince 2 years, 1 month ago

Both of them consolidated the disintegrated states in their countries. Bismark used political tactics and a famous policy called "Blood and Iron Policy". On the other hand, Patel used this Bismark's policy in the unification of Hyderabad and also used many tactics to unify Junagadh such as holding a plebiscite

1Thank You

ANSWER

Fountain experiment demonstrates :

Posted by Mainka Mainka 2 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Vansh Sharma 2 years, 1 month ago

What is the light

3Thank You

ANSWER

Computer stand for

Posted by Ankit Parihar 2 years, 1 month ago

CBSE > Class 10 > Computer Applications (165)

3 answers

Vishal Dubay 2 years ago

Commonly operating machine particularly used in technology and educational research

0Thank You

Rohit Chauhan 2 years ago

commonly operating machine particularly used in Technological and educational research

0Thank You

Saurabh Prajapati 2 years, 1 month ago

Common operating machine purposely used for technology or education research

0Thank You

ANSWER

RSPL/1of series REL-DS1

Posted by Ronak Yadav 2 years, 1 month ago

CBSE > Class 10 > English Language and Literature

0 answers

ANSWER

Where shall we go for our holidays? The children asked their father eagerly. In the form of indirect change'

Posted by Palak Sharma. 2 years, 1 month ago

CBSE > Class 10 > English Language and Literature

1 answers

Gayathri Dhinesh 2 years, 1 month ago

The children asked their father eagerly that where should they go for their holidays

1Thank You

ANSWER

Manufacturing of chlorofluorocarbon free refrigerator in mandatory throughout the world

Posted by Aman Gautam 2 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Neha😀 Tanwar 2 years, 1 month ago

No it's is not mandatory through out the world Many big countries prohibited of manufacturing of chlorofluorocarbon

0Thank You

ANSWER

Character sketch of Gautam Buddha

Posted by Zaina Ansari 2 years, 1 month ago

CBSE > Class 10 > English Language and Literature

1 answers

Rider009 Tyagi 2 years, 1 month ago

thv14 31.10.2022 English Secondary School answered • expert verified Character sketch of GAUTAMA Buddha. 2 SEE ANSWERS Log in to add comment Advertisement Report ad Expert-Verified Answer 14 people found it helpful hjk98971 Ace 105 answers 31.8K people helped Answer: Prince Siddhartha was the only son of king Shuddhodana. The king loved him very much. He provided him all the luxuries of the palace. The astrologers had told the king that the Prince would be a great hermit. In the end he came to be known as Lord Buddha. We find in him the following qualities : 1. A born thinker: The Prince was not an ordinary man. He was very thoughtful from his childhood. He was born in a royal family. His life was full of luxuries and comforts. Yet he always thought about the life outside the palace. He wanted to see the realities of life. So he visited the city twice. 2. Loving merciful and sympathetic : When the Prince saw an old man a sick man and a dead body he was very much grieved. He said “The world suffers from fear. Love is short lived. Life ends into hateful death. So I shall do my best not to let anyone cry with pain.” When he saw the sick man crying for help he lifted him up and comforted him. Thus he was loving merciful and sympathetic. 3. A good son and a good husband : The Prince was a good son. He obeyed his father and always sought permission to go to the city. He was a loving and true husband also. He could never bear the tears in the eyes of his wife Yashodhara. 4. Curious for knowledge : The Prince was very curious to get the knowledge of the world and its sufferings. He asked Channa many questions and got knowledge about different happenings. 5. A super human : The Prince had an extraordinary understanding. He got knowledge very soon. He sacrificed all his kingly pleasures and left home. He gave valuable advice to the people. So he became known by the name of Gautam Buddha.

0Thank You

ANSWER

The manufacturing of chlorofluorocarbon free refrigerator which is mandatory throughout the world

Posted by Aman Gautam 2 years, 1 month ago

CBSE > Class 10 > Science