Incorrect URL accessed!!!!

ANSWER

4a² + 9b² - 4c² + 12ab

Posted by Jharna Jyoti Horonia 2 years, 4 months ago

CBSE > Class 12 > Mathematics

1 answers

Ankit Singh 2 years, 4 months ago

(2a+3b)^2 -(2c)^2 =(2a+3b+2c) (2a+3b-2c) if it has to factorised

The trial balance of Shri Manoj Kumar & Sons in respect of the year ending 31st March 2019 in given below. Prepare with its help Trading and Profit & Loss Account for the year 2018-19 and Balance Sheet on 31st March 2019- Trial Balance (as or 31st March, 2019) Rs. Rs. Stock on 1st April, 2018 43450 Purchases 166580 Purchases Returns 6344 Factory Fuel and Power 1084 Factory Electricity Exp. 784 Factory Wages 19830 Carriage on Purchases 1794 Manufacturing exp 5360 Office Salaries 7490 Travelling Expens es 1850 , sales 252354 sales return 14844 Carriage on Sales 1920 Rent and Rates 3530 Office Expense 5556 Discount 844 Insurance 1140 Capital Amount 186460 Plant and Machinery 110000 Fixtures and Fittings 3440 Cash at Bank 4490 Cash in Hand 136 Debtors 96600 Drawings 13640 Creditors 45380 Bills Payables 12844 Closing stock on 31st March, 2019 was valued at Rs. 33, 160. Depreciation is to be written-off at the rate of 5% on Plant and Machinery and 10% on Fixtures and Fittings. Provisions is to be made for doubtful debts at the rate of 2½% on Sundry Debtors, Rent and Taxes amounting to Rs. 150 were outstanding and Rs. 140 were paid as insurance premiums is advance. Salaries and Wages amounting to Rs. 1,600 and Rs. 700 respectively are yet to be paid

ANSWER

Posted by Mansi Saxena 2 years, 4 months ago

CBSE > Class 12 > Accountancy

0 answers

ANSWER

C6h5nh2=A=c6h6cl

Posted by Antra Suthar 2 years, 4 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

EXAMPLE 9 The solution set of the inequation |[|x| - 7]| - 5 < 0 is ([] denotes the greatest integer function) (a) [3, 12) (c) (- 12, 12) (b) (- 12, - 3] (d) (- 12, - 3] cup[3,12)

Posted by Account Deleted 2 years, 4 months ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Import math ceil

Posted by Ekas Kaur Sachdeva 2 years, 4 months ago

CBSE > Class 12 > Computer Science

1 answers

Asmita Bhaumik 2 years, 1 month ago

Gives the topmost value.

ANSWER

Write an essay on the origin and development of Mughal school of painting

Posted by Sitesh Gurjar 2 years, 4 months ago

CBSE > Class 12 > Painting

0 answers

ANSWER

[fe(nh3)2(en)2]3+

Posted by Anand Verma 2 years, 4 months ago

CBSE > Class 12 > Chemistry

2 answers

Keshav Chauhan 2 years, 1 month ago

diamminebis(ethane 1,2- diamine)iron (lll) ion

Komal Gola 2 years, 2 months ago

Diamminebis (ethane 1,2 diamine) ferrous(III)

ANSWER

Exercise 11.1

Posted by Shivansh Kanojia 2 years, 4 months ago

CBSE > Class 12 > Applied Maths

0 answers

ANSWER

Which of the following solutions will have the highest conductivity at 296

Posted by Keshav Khanduri 2 years, 4 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

A bottle of Anti-dandruff shampoo mentions 'Clean your hair and get rid of dandruff in one squeeze'. The product related decision involved is

Posted by Rohit Mahour 2 years, 4 months ago

CBSE > Class 12 > Business Studies

3 answers

Sneha Chowdhury 2 years, 2 months ago

Labelling

Kiran Sheoran 2 years, 3 months ago

Labelling

Umar Shamsi 2 years, 4 months ago

Advertising

ANSWER

To prepare 0.05M solution of FAS (Mohr salt) using this solution find out the molarity, strength of the given KMnO4 solution

Posted by Aditi Bramh 2 years, 4 months ago

CBSE > Class 12 > Chemistry

0 answers

ANSWER

Listed below are all reproductive tract infection except a) genital hepres b) filariasis c) trichomoniasis d) syphilis

Posted by Shivank Dev 2 years, 4 months ago

CBSE > Class 12 > Biology

2 answers

Saksham Garg 2 years, 3 months ago

Filariasis because "Filariasis is a disease caused by a chronic mosquito-borne parasitic infection. Chronic infection can lead to swelling of the extremities, hydroceles, and testicular masses."

Ashutosh Singh 2 years, 3 months ago

Filariasis

ANSWER

Project on trends credit availablity in india

Posted by Rahul Roy 2 years, 4 months ago

CBSE > Class 12 > Economics

0 answers

ANSWER

What is the grammer syllabus

Posted by Gayatri Sharma 2 years, 4 months ago

CBSE > Class 12 > English Core

2 answers

Akash Pal 2 years, 4 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.

Akash Pal 2 years, 4 months ago

Hello Gayatri sharma

ANSWER

You were a member of the school team which won the national level Bournvita Quiz Contest. You have been asked to write a report abod the event for the school magazine. Hints: Number teams partiupated of te • Number and names. of rounds Your team Name of Anchor Chie Guest Prize distribution 9.6 Date and Venue . A moment of jubilation Competition rule.

Posted by Sachin Kumar 2 years, 4 months ago

CBSE > Class 12 > English Core

0 answers

ANSWER

R1 in a lens is positive or negative?

Posted by Tushar Dulloo 2 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Krish Agrawal 2 years, 3 months ago

The sign conventions for the radii of curvature (R1 and R2) for lenses are as follows: 1. **Convex Lens (Diverging Lens)**: - R1 (the radius of curvature of the first surface) is considered positive if the center of curvature is on the same side as the incident light (opposite to the direction of incoming light). - R2 (the radius of curvature of the second surface) is considered negative. 2. **Concave Lens (Converging Lens)**: - R1 (the radius of curvature of the first surface) is considered negative. - R2 (the radius of curvature of the second surface) is considered positive if the center of curvature is on the same side as the incident light (opposite to the direction of incoming light). These conventions are used in lens formula and mirror formula calculations to determine the sign of focal lengths and object distances.

ANSWER

What is lantanoid contraction

Posted by Charan Teja 2 years, 4 months ago

CBSE > Class 12 > Chemistry

1 answers

Keshav Chauhan 2 years, 1 month ago

When we move from 3d to 4d and 4d to 5d... The electrons start to be filled in the f subshell. As the screening power of the electrons of the f subshell is very poor, that's why there is regular decrease in the atomic radii of these elements, this is called lanthanoid contraction

ANSWER

What does the phrase 'to skin me' mean

Posted by Kashish Pathania 2 years, 4 months ago

CBSE > Class 12 > English Core

0 answers

ANSWER

Contribution of John marshal and martimer wheeler in Indian archaeology

Posted by Supriya Nath 2 years, 4 months ago

CBSE > Class 12 > History

1 answers

Kaal Lu 2 years, 4 months ago

John Marshall and Mortimer Wheeler made significant contributions to Indian archaeology: 1. **John Marshall**: - Marshall was the Director-General of the Archaeological Survey of India (ASI) from 1902 to 1931. He played a crucial role in systematizing archaeological research in India. - Under his leadership, the ASI conducted extensive excavations at various sites, including Mohenjo-Daro and Taxila, leading to the discovery of the Indus Valley Civilization. - He emphasized the importance of preservation and documentation of archaeological finds, which laid the foundation for modern archaeological practices in India. 2. **Mortimer Wheeler**: - Wheeler succeeded Marshall as the Director-General of ASI. He brought innovative techniques to Indian archaeology. - Wheeler introduced the grid system for excavations, which improved the accuracy of documenting findings and stratigraphy. - His work at sites like Harappa and Arikamedu furthered our understanding of India's ancient history. - Wheeler also emphasized the training and involvement of Indian archaeologists in excavation work, contributing to the development of a skilled workforce in the field. Both Marshall and Wheeler made substantial contributions to the study of India's archaeological heritage and its history.

ANSWER

Trace the technologies that were used for making beads by Harappans.

Posted by Mahem Bankai 2 years, 4 months ago

CBSE > Class 12 > History

0 answers

ANSWER

Devjyoti Bravia answers

Posted by Rohan Rajput 2 years, 4 months ago

CBSE > Class 12 > English Core

1 answers

Jahangir Alom 2 years, 4 months ago

2+3

ANSWER

Author name of the poem kepping quiet

Posted by Harkirat Kaur 2 years, 4 months ago

CBSE > Class 12 > English Core

2 answers

Kashish Gurawalia 2 years, 3 months ago

Pablo Naruda poet of poem keeping quiet

Jasleen Gill 2 years, 4 months ago

Pablo Naruda

Question 1: A lens has a refractive index of 1.5 and a radius of curvature of 15 cm for one surface and 20 cm for the other surface. Calculate the difference in curvature between the two surfaces using the lens maker's formula Question 2: A concave lens with a refractive index of 1.4 is required to have a focal length of -12 cm. Determine the radil of curvature for the two lens surfaces using the lens maker's formula. Question 3: A biconvex lens with a refractive index of 1.6 has a known focal length of 25 cm. Calculate the difference in radii of curvature for its two surfaces using the lens maker's formula. Question 4 (Easy): A plano-concave lens has a refractive index of 1.2. The radius of curvature of the curved surface is 18 cm, and the flat side has a radius of curvature of infinity, Calculate the focal length of the lens using the lens maker's formula. Question 5 (Easy): A converging lens has a refractive index of 1.6. The radius of curvature of one surface is 12 om, and the radius of curvature of the other surface is 15 cm. Calculate the focal length of the lens using the lens maker's formula.

ANSWER

Imagine you are Hana narrate the chapter from your point of view

Posted by Pronay Das 2 years, 4 months ago

CBSE > Class 12 > English Core

0 answers

ANSWER

did the people at Gemini studios have any particular political affiliations

Posted by Naresh Choudhary 2 years, 4 months ago

CBSE > Class 12 > English Core

0 answers

ANSWER

Mr lamb stands as a symbol of optimism and hope support your answer with example from the text

Posted by Subhanshu Sharma 2 years, 4 months ago

CBSE > Class 12 > English Core

0 answers

ANSWER

MCQ Qunestion

Posted by Harshit Bhargava 2 years, 4 months ago

CBSE > Class 12 > Economics

1 answers

Tarun Kumar 2 years, 4 months ago

What is moter devlopment

4Thank You

ANSWER

In what ways do you think that the Western Indian manuscript painting tradition guided the development of miniature painting traditions in Rajasthan

Posted by Krishna Kant Gaur 2 years, 4 months ago

CBSE > Class 12 > Painting

0 answers

ANSWER

In what ways do you think that the western Indian

Posted by Krishna Kant Gaur 2 years, 4 months ago

CBSE > Class 12 > Painting

0 answers

ANSWER

Posted by Tushar Dulloo 2 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Krish Agrawal 2 years, 3 months ago

To answer each of your questions, we can use the lens maker's formula, which is given by: \[ \frac{1}{f} = (n - 1) \left( \frac{1}{R_1} - \frac{1}{R_2} \right) \] Where: - \( f \) is the focal length of the lens. - \( n \) is the refractive index of the material. - \( R_1 \) is the radius of curvature of the first surface. - \( R_2 \) is the radius of curvature of the second surface. Let's solve each of your questions: **Question 1:** Given \( n = 1.5 \), \( R_1 = 15 \, \text{cm} \), and \( R_2 = 20 \, \text{cm} \), we need to calculate the difference in curvature between the two surfaces. Using the lens maker's formula, we can calculate the focal length, and then the difference in curvature. 1. Calculate \( \frac{1}{f} \) using the formula with the given values. 2. Once you find \( \frac{1}{f} \), calculate the focal length \( f \) by taking the reciprocal. **Question 2:** Given \( n = 1.4 \) and \( f = -12 \, \text{cm} \), we need to determine the radii of curvature for the two lens surfaces. Using the lens maker's formula, you can calculate \( R_1 \) and \( R_2 \). 1. Rearrange the lens maker's formula to solve for either \( R_1 \) or \( R_2 \). 2. Plug in the known values and solve for \( R_1 \) and \( R_2 \). **Question 3:** Given \( n = 1.6 \) and \( f = 25 \, \text{cm} \), we need to calculate the difference in radii of curvature for its two surfaces. Again, use the lens maker's formula to calculate \( R_1 \) and \( R_2 \). **Question 4:** Given \( n = 1.2 \), \( R_1 = 18 \, \text{cm} \), and \( R_2 = \infty \) for a flat side, calculate the focal length using the lens maker's formula. **Question 5:** Given \( n = 1.6 \), \( R_1 = 12 \, \text{cm} \), and \( R_2 = 15 \, \text{cm} \), calculate the focal length using the lens maker's formula. For each question, perform the calculations as described above, and you will have the answers you need. If you have any specific values to calculate or encounter any issues, feel free to ask for further assistance.