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Ankit Singh 6 years, 11 months ago

Kepler’s 3rd Law of Periods: This law is known as the law of Periods. The square of the time period of the planet is directly proportional to the cube of the semimajor axis of its orbit. T² ∝ a³ That means the time ‘ t ‘ is directly proportional to the cube of the major axis. Let us derive the equation of Kepler’s 3rd law. Let us suppose, m = mass of the planet M = mass of the Sun v = velocity in the orbit So, there has to be a force of gravitation between the Sun and the planet. F = GmMr² Since it is moving in an elliptical orbit, there has to be a centripetal force. Fc = mv²r² Now, F = Fc ⇒ GMr = v² Also, v = circumferencetime = 2πrt Combining the above equations, we get ⇒ GMr = 4π²r²T² T² = 4π2r3)GM ⇒ T² ∝ r³

ANSWER

Show that the line x+1=0 is the tangent of hyperbole 4x2 -3y2=4 .

Posted by Manmohan Singh 6 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

ANSWER

Types of rainfall explain ?

Posted by Vayu Chahar 6 years, 11 months ago

CBSE > Class 11 > Geography

1 answers

Divya Mishra 6 years, 11 months ago

There arr three types of rainfall conventional rainfall, orographic rainfall and cyclonic rainfall . For further details you can take help from your ncert book class 11.

ANSWER

How to write speech writting

Posted by Upadhyay Aman 6 years, 11 months ago

CBSE > Class 11 > English Core

3 answers

Ankit Singh 6 years, 11 months ago

Nice answer Priya

Priya Dharshini ? 6 years, 11 months ago

First of all a bold heading. Good morning to one and all present over here i would like to draw ur attention toward so and so topic. Use powerful lines,quotes,ryming words in sentence,exclamatory sentences,ask few questions... If u use thoughts of great people or urs also it will make good impression between teacher. Same with me i use so many of my quotes and thoughts in my creative writting skills

Jasmine Jasmine 6 years, 11 months ago

First is topic And second is Good morning to the Excellencies, my respected teachers and my dear friends. And third is matter word limit 200 words and last me Thank you.

ANSWER

Prepare a furniture account from the following transactions and find out the closing balance. Date 2011 April1 furniture purchased from ram 15000 April10 furniture purchase for 3000 and amount paid by cheque April15 depreciation charged on furniture 1800 April20 furniture sold for 2000

Posted by Kanika Rastogi 6 years, 11 months ago

CBSE > Class 11 > Accountancy

1 answers

M.Pragathesh 2002 6 years, 11 months ago

14,200

ANSWER

Mole cocept questions

Posted by Mahender Baghel 6 years, 11 months ago

CBSE > Class 11 > Chemistry

3 answers

Priya Dharshini ? 6 years, 11 months ago

U can refer in this app, or guide. But ncert solved and unsolved is more than enough i think soo

Ankit Singh 6 years, 11 months ago

Dinesh also

Yakshi ? 6 years, 11 months ago

Conceptual questions ke liye pradeep try krna jaha tak mujhey lagta hai.....

ANSWER

Draw the orbital molecular dig. For O2 and O2+. Also calculate bond order and compare relative stability.

Posted by Abhidatt Sharma 6 years, 11 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

Have you give me full details of changez khan

Posted by Aman Kumar 6 years, 11 months ago

CBSE > Class 11 > इतिहास

0 answers

ANSWER

How to make string programm

Posted by Rohit Dewangan 6 years, 11 months ago

CBSE > Class 11 > Computer Science

2 answers

Aman Kumar 6 years, 11 months ago

Which type of program by the way

Aman Kumar 6 years, 11 months ago

In python ......ya C++

ANSWER

Why solute potential have negative value?

Posted by Yakshi ? 6 years, 11 months ago

CBSE > Class 11 > Biology

4 answers

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 11 months ago

naaa,,, The more the amount of solute, the more negative is the value solute potential. So the solute potential of a solution is always negative due to the increase in the solute concentration in a solution.

Yakshi ? 6 years, 11 months ago

I think more no. Of solute molecules increases the solute potential....???

Yakshi ? 6 years, 11 months ago

Ohh thanks now i got it......?

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 11 months ago

Solute potential is always negative as more the solute molecules in the solution lesser the solute potential.

ANSWER

Sab pass ho jate h ki nhi

Posted by Ankita Kumari 6 years, 11 months ago

CBSE > Class 11 > Physical Education

5 answers

Harsh Mishra 6 years, 11 months ago

Yes!!!! Ankita getting Qualified is ? not difficult......?

???. Pragati 6 years, 11 months ago

Right ???

Ankit Singh 6 years, 11 months ago

Padhne wale pass ho jate hai ??

Aman Kumar 6 years, 11 months ago

Padhne wale toh ho jate hai....

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 11 months ago

bade araam se pass ho Jate hai yll...

ANSWER

10 glycerin are joined together and form protein then find atomic weight of that protein

Posted by Moon Khan 6 years, 11 months ago

CBSE > Class 11 > Biology

2 answers

Moon Khan 6 years, 11 months ago

Ye biomolecules ka h

Yakshi ? 6 years, 11 months ago

Yeh kaun sa chapter hai????????

ANSWER

Exam kab hota h 11th ka final

Posted by Ankita Kumari 6 years, 11 months ago

CBSE > Class 11 > Physical Education

7 answers

Krishna Yadav 6 years, 11 months ago

Mere yaha 3rd chapter ke aage course hi nahi hua ...teacher hi nahi hain ...jo the vo chale gaye par exam hai vo bhi 18feb ko aur ab bataya hai please tell me friends how can i cover my remaining course is there any aap notes please help me guys .Iam in a great trouble....????

Harsh Mishra 6 years, 11 months ago

May Be!!! From 3rd week of February month......??

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 11 months ago

mera epic date 14 Feb.. ?

Ankit Singh 6 years, 11 months ago

???

Ankit Singh 6 years, 11 months ago

Mera 15 Feb se hai

???. Pragati 6 years, 11 months ago

But mera 1st feb se h ??

Aman Kumar 6 years, 11 months ago

March mai hota hai

ANSWER

Explain resonance structure

Posted by Krishna Sengar 6 years, 11 months ago

CBSE > Class 11 > Chemistry

2 answers

Priya Dharshini ? 6 years, 11 months ago

Resonance structures have two or more possible electron structures. Often, they are showed with dotted lines or two+ structures with an arrow between them. The electrons distribute themselves evenly between both configurations (probability-wise) so that what we end up is roughly an "average".

Yakshi ? 6 years, 11 months ago

When a single lewis structure cannot explain all the properties of molecules then more than one lewis structure is hybrid of all the structures ........

ANSWER

Find the greatest length of copper wire, that can hang without breaking. Breaking stress =7.2×10rase to the power 7N/m×m Density of copper is 7.2gm/cm,g=10m/s×s

Posted by Anushka Pal 6 years, 11 months ago

CBSE > Class 11 > Physics

3 answers

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 11 months ago

yhi hona chahhiye.. ?

5Thank You

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 11 months ago

mass = density * volume........... ➡️mass = 7.8*10^3 * AL........ g =9.81 m/s² ➡️weight = (7.8 * 10^3 * AL * 9.81) = 7.65 * 10^4 * AL ➡️stress = breaking force / cross sectional area ✴️ 7.2*10^8 = 7.65 * 10^4 * AL / A ✴️ 7.2*10^8 = 7.65 * 10^4 * L ✴️ L = 7.2*10^8 / (7.65 * 10^4) ✴️ L = 9.4 * 10^3 m

7Thank You

Anushka Pal 6 years, 11 months ago

Plz reply me.... *raise

ANSWER

What is the second name of nitrogen ?

Posted by Balraj Singh 6 years, 11 months ago

CBSE > Class 11 > Chemistry

5 answers

Balraj Singh 6 years, 10 months ago

N2 as di nitrogen nitrogen molecule

Lily ☺ 6 years, 11 months ago

Second name for nitrogen group is picogen. I actually don't know the 2nd name for nitrogen.

Ankit Singh 6 years, 11 months ago

What ??

Priya Dharshini ? 6 years, 11 months ago

Nitrogens second name ?? It has 2nd name first ?

Aman Kumar 6 years, 11 months ago

Whaat???

ANSWER

Political science is a universal activity

Posted by Kailash Prasad Gupta 6 years, 11 months ago

CBSE > Class 11 > Political Science

0 answers

ANSWER

What we should write in project history of business ? Any suggestions?

Posted by Tanya Choudhary 6 years, 11 months ago

CBSE > Class 11 > Business Studies

0 answers

ANSWER

Write timeline into 1700-2000AD

Posted by Abhiahek Vats 6 years, 11 months ago

CBSE > Class 11 > History

0 answers

ANSWER

Notes of human respiratory system

Posted by Littleshine Aaaru?? 6 years, 11 months ago

CBSE > Class 11 > Biology

3 answers

Aarav Tyagi 6 years, 11 months ago

3. Larynx: It is a chamber situated in the region of neck. It is supported by four cartilages : thyroid is the largest and in the form of a broad ring incomplete dorsally, cricoid is a complete ring lying at the base of thyroid, a pair of arytenoids lying above the thyroid but in front of cricoid, and epiglottis situated behind the tongue that serves to cover the entrance to the trachea so that food particles may not enter into it. Larynx is also known as voice box since it helps in the production of sound. 4. Trachea: It is a tube starting from larynx running through the neck and the thoracic cavity. The trachea runs through the neck in front of the oesophagus. The trachea or windpipe is about 12 cm long and divided into two bronchi in the thoracic region. 5. Bronchi and bronchioles: The two bronchi enter into right and left lungs of either side. Inside the lungs they further branch into many smaller bronchioles with a diameter of about 1 mm. These bronchioles further divide into terminal and then into respiratory bronchioles. Each respiratory bronchiole divides into a number of alveolar ducts that further divide into atria, which swell up into air sacs or alveoli. 6. Lungs: A pair of conical shaped lungs is situated in the double walled sacs called pleural cavities. They are spongy and richly supplied with blood vessels and capillaries. They have about 300-400 millions of alveoli through which exchange of gases occur. Lungs have various bronchioles ending into alveoli where exchange of gases occurs. The alveoli are thin walled pouches the walls of which have epithelial linings supported by basement membrane. I hope my answers help U ☺☺☺☺

Aarav Tyagi 6 years, 11 months ago

All mammals have lungs for the purpose of respiration. This is known as pulmonary respiration. The mammalian respiratory system consists of the nasal cavity, nasopharynx, larynx, trachea, bronchi, bronchioles and lungs. 1. Nasal cavity: It is a large cavity lying dorsal to the mouth and is lined by mucous secreting epithelium. The nasal cavity opens outside through a pair of external nostrils or nares. Bones and cartilages support the nasal cavity. The nasal cavity is divided into two parts by a nasal septum. The cavity opens inside into pharynx through two internal nostrils. Air while passing through the nasal cavity is filtered, and only the clean air free from dust particles and foreign substances enters the pharynx. The air also gets warmed and moistened in this chamber. It is important to note that air can also be inhaled through mouth directly, but this is not advisable because the air will not be filtered, warmed and moistened. This gradually will harm the respiratory system. 2. Nasopharynx: It is a chamber situated behind the nasal cavity. At the level of soft palate, it becomes continuous with the mouth cavity or oral pharynx. It also receives the openings of eustachian tubes on its lateral sides and is thus connected to the middle ear.

Yakshi ? 6 years, 11 months ago

U can take help of neela bakore tutorials.......i m sure u will like it.....

ANSWER

The following passage has not been edited. There is one error in each line. Underline the error and write the correct word. When a diamond is find on the earth Its outside appear is rather dull, Then skil ful hands makes it into a sparkled gem we all know about Most diamonds are sawing into two and every half is shape and cut into the round diamond the little faces or facets is cut into the diamond.

Posted by Sumayla Khan 6 years, 11 months ago

CBSE > Class 11 > English Core

2 answers

Sumayla Khan 6 years, 11 months ago

Thank you so much ☺

Harsh Mishra 6 years, 11 months ago

1. Find-Found 2. Appear-Appearance 3. Makes - Make 4. Sparkled - Sparkling 5. Sawing - Sawed 6. Every - Each 7. The - A 8. Is -Are 9. Cutting - Cut ✂..... May Be!!!! This will be the Answer of your Question, The Left side given words are errors and the right side given words are their corrected forms. ?????