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The story is about a student mimicking and gossiping about his teacher .Do you think it is disrespectful to him to do that?

Posted by Krishna Sharma 6 years, 11 months ago

CBSE > Class 11 > English Core

0 answers

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Why there are so many lines in hydrogen spectrum?

Posted by Vibhanshu Vishal 6 years, 11 months ago

CBSE > Class 11 > Chemistry

2 answers

Ankit Aryan Shivan 6 years, 11 months ago

A hydrogen atom has only one electron it contains a large number of shells so when this single electron jumps from one shell to another,a photon is emitted,and the energy difference of the shells causes different wavelengths to be released. Hence mono-electric hydrogen has many spectrum lines.Transitions of electron in the hydrogen atom are 1.LYMAN series.2.Balmer.3.Paschen.4.Bracket.5.Pfund.6.Humphire series.

Yogita Ingle 6 years, 11 months ago

Hydrogen atom has one electron present in the first shell. When energy is given to the atom the electron gets excited and moves to a higher orbit. Excited states are unstable and quickly decay to the ground state i.e. the electron moves back to the first shell. This movement can either be in one step or a series of steps. The electron emits energy of a certain frequency when it falls from one energy level to another and for each movement it emits electromagnetic radiation of a certain frequency giving rise to a series of spectral lines each corresponding to the fall of excited electrons from one orbit to another. The spectral lines are divided into series depending on the shell the excited electron falls back to e.g. electrons that fall to the first shell from any of the higher shell, the spectral lines are called Lyman series. Balmer is the name for all lines where electrons move to shell 2 from higher orbits.

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Find the sum of the following series up to n terms: (1) 5+55+555+... (2) .6+.66+.666+... Please solve this question in simple

Posted by Narendra Sahu 6 years, 11 months ago

CBSE > Class 11 > Mathematics

3 answers

Ankit Singh 6 years, 11 months ago

Great answer

Yakshi ? 6 years, 11 months ago

Wait wait wait......i did not tell u something.....that is.......let (-1-1-1-1.....)=n and as u know sum of infinity.......as 10+10^2+10^3.......= [{10^(n+1) - 10} /9] -n........so.......ur answer will be......5/9[ {10^(n+1) - 10 -9n}/9]

Yakshi ? 6 years, 11 months ago

In first part......1) 5+55+555........u can take 5 as common then it will be = 5( 1+11+111....) = now....multiply and divide it by 9.....then u will get....(5/9){9+99+999.......} .....u can write 9 as (10-1) and 99 as (100-1) and so on......so .....it will be......(5/9){ 10-1 + 100-1 + 1000 -1............}......in this case there will be two parts...... in first one u will find sum of all the " 1" in this....and in second one u will write 100 as 10^2 ......1000 as 10^3...and so on then find sum of (10+10^2+10^3.......).......then u will get......

3Thank You

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If a and b are the roots x square - 3 x + b =0 and c,d are Roots of x square -12 x + q =0, where a,b,c,d from a GP. Prove that (q+p) : (q-p)=17:15.

Posted by Narendra Sahu 6 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

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Difference between rachna and kavita

Posted by Ankita Mishra 6 years, 11 months ago

CBSE > Class 11 > हिंदी कोर

1 answers

Ashutosh Tiwari 6 years, 10 months ago

In rachna there is any story,any novel,any article, paragraph etc but poem is the part of rachna..

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Fruits ripeing investigatory project

Posted by Kalawathi Dutta 6 years, 11 months ago

CBSE > Class 11 > Biology

0 answers

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Koi Bata Sakta hai kya ke executive chapter Main kya question aa Sakta hai?

Posted by Hemma Kumari 6 years, 11 months ago

CBSE > Class 11 > Political Science

0 answers

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Why group 2 elements of periodic table is known as alkali earth metal?

Posted by Vibhanshu Vishal 6 years, 11 months ago

CBSE > Class 11 > Chemistry

2 answers

Amit Kumar 6 years, 11 months ago

Group 2 elements these are found earth crust

Monica Bhatt 6 years, 11 months ago

The hydroxides and oxides of group 2 are alkaline in nature and these metal oxides are found in earths crust..and hence known as alkali earth metals..

5Thank You

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Catastrophic theory?

Posted by Rea Rea 6 years, 11 months ago

CBSE > Class 11 > English Core

0 answers

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Find equation of a circle passing through origin and making intercept to 2 and 3 on cook ordination Axis (0,0) (2, 0) (0,3)

Posted by Nikhil Yadav 6 years, 11 months ago

CBSE > Class 11 > Mathematics

0 answers

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उत्पादन संतुलन क्या है

Posted by Mehak Rajora 6 years, 11 months ago

CBSE > Class 11 > व्यवसाय अध्ययन

1 answers

Eco Se Sekho Ckj 6 years, 10 months ago

Where producer's MR=MC MEANS PRODUCER HAD NORMAL PROFIT TO EARN AND AFTER THAT POINT MC CONTINUSELY RISES MEANS PRODUCER SUFFERS LOSS EXAMPLE:-- Q MR MC 1 10 5 2 6 6 3 5 4 4 7 7 5 6 8 PRODUCER IS IN EQUILIBRIUM AT Q=4

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Project are projectile motion

Posted by Khirendra Pujari Khirendra 6 years, 11 months ago

CBSE > Class 11 > Physics

3 answers

Ankit Singh 6 years, 11 months ago

???

Yakshi ? 6 years, 11 months ago

???

Aman Kumar 6 years, 11 months ago

Means???? What u want to ask

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At what temperature the speed of sound in air will e 1.5 times its value at 27 degree C in air

Posted by Equra Sohail 6 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

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What are the important questions of thermodynamics ?

Posted by Anushka Singh 6 years, 11 months ago

CBSE > Class 11 > Physics

0 answers

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Please tell me all the important derivations of all chapters so that I can get pass marks???

Posted by Yuvraj Singh 5 years, 8 months ago

CBSE > Class 11 > Physics

5 answers

Yuvraj Singh 6 years, 11 months ago

Now tell me otherwise it wil be too late for me

Yuvraj Singh 6 years, 11 months ago

Now it is possible ???

Yuvraj Singh 6 years, 11 months ago

Ch 3 Ch 4 Ch 5 Ch 7 Ch 8 Ch 9 Ch 10

Ankit Singh 6 years, 11 months ago

????yakshi

Yakshi ? 6 years, 11 months ago

It will be easy for us to tell u if u will ask it chapterwise........we will tell u then......???

5Thank You

ANSWER

What is wein's displacement

Posted by Roshan Jha 6 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Aarav Tyagi 6 years, 11 months ago

Acc. to the weins disolacement ," the max. wavelength corresponding to max. energy is inversely proposnal to the absolute temp. of the body."

3Thank You

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What time you get the chance of getting the phone with me and I don't want to go back in

Posted by Sanjeeb Barik 6 years, 11 months ago

CBSE > Class 11 > English Core

0 answers

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Difference between kavita aur poem

Posted by Ankita Mishra 6 years, 11 months ago

CBSE > Class 11 > हिंदी कोर

1 answers

Himani ?? 6 years, 11 months ago

Yr ab ese stupid se question to mt pucho .... ? obviously kavita in hindi and poem in english ..... ???

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Hybridisation of( CH3)2CO

Posted by Preeti Gupta 6 years, 11 months ago

CBSE > Class 11 > Chemistry

1 answers

Nishu Godara 6 years, 11 months ago

Sp3 and sp2 hybridisation

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What is opportunity cost explain with a suitable example

Posted by Preet Dhillion 6 years, 11 months ago

CBSE > Class 11 > Economics

1 answers

Priyanka Yadav 6 years, 11 months ago

Next best alternative use of resources are called opportunity cost For ex first we take a job it's salary was 10000 then we take another job it's salary was 20000 so 10000 are called opportunity cost

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What is the best channel for maths on YouTube?

Posted by Himanshu Shekhar 6 years, 11 months ago

CBSE > Class 11 > Mathematics

1 answers

Amit Kumar 6 years, 11 months ago

Maths for all

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Pathak promissory note for Rs 1200 endrosed in favour of gupta returned dishonoured. Gupta paid Rs.30 as noting charge .Swamy pays gupta by cheque and accepts from pathak another bill for the amount due along with interest Rs.80 (pass journal in books of swamy)

Posted by Aman Saloniya 6 years, 11 months ago

CBSE > Class 11 > Accountancy

0 answers

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Which type of organisation has a disadvantage namely no benefit to poor people?

Posted by Bhuvesh Goyal 6 years, 11 months ago

CBSE > Class 11 > Business Studies

0 answers

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How many amendments have been made in the indian constituition explain any four amendments

Posted by Megha Kundu 6 years, 11 months ago

CBSE > Class 11 > Political Science

2 answers

Krishna Yadav 6 years, 11 months ago

Recent amendment is 124th amendment

Preet Dhillion 6 years, 11 months ago

Our constitution during of fifty six years hes been amended about 100 times.

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Difference between traditional file and relation

Posted by Sue Khanna 6 years, 11 months ago

CBSE > Class 11 > Informatics Practices

0 answers

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What is the relationship between gravitational field intensity and gravitational potential difference

Posted by Nav Ghuman 6 years, 11 months ago

CBSE > Class 11 > Physics

1 answers

Vibhanshu Vishal 6 years, 11 months ago

The gravitational potential gradient dV/dr is defined as the rate of change of gravitational potential with distance in the field. This is equal to the gravitational field intensity at that point

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Which app is must for neet prepration

Posted by Gurwinder Singh 6 years, 11 months ago

CBSE > Class 11 > Biology

1 answers

Aarav Tyagi 6 years, 11 months ago

Topper

ANSWER

What is window dressing

Posted by Saksham Bhandya 6 years, 11 months ago

CBSE > Class 11 > Accountancy

2 answers

Aditya Sharma 6 years, 11 months ago

Window Dressing means manipulation of accounts, so that the financial Statements will show favourable position of business

Yogita Ingle 6 years, 11 months ago

Window dressing refers to actions taken or not taken prior to issuing financial statements in order to improve the appearance of the financial statements.