CBSE > Class 12 > Physics | CBSE Board | Homework Help

The electric field lines originate from +ve and end at -ve there is no specific for electric field lines they originate from +ve and end at -ve to the other site or opposite direction from the origin that is the reason.

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Nishant Tomar 7 years, 6 months ago

Bcoz no current flow in close loop

1Thank You

ANSWER

Can two identical and independent sodium lamp act as coherent source?give reason

Posted by Kristina Sarang 7 years, 6 months ago

CBSE > Class 12 > Physics

2 answers

Aisha Grewal 7 years, 6 months ago

No as they haven't constant phase difference

1Thank You

Baani N 7 years, 6 months ago

No .

1Thank You

ANSWER

e potential difference across a resistor ‘r’ carrying current ‘I’ is Ir. (3) (i) Now if the potential difference across ‘r’ is measured using a voltmeter of resistance ‘Rv’, show that the reading of voltmeter is less than the true value. (ii) Find the percentage error in measuring the potential difference by a voltmeter. (iii) At what value of Rv, does the voltmeter measures the true potential difference?

Posted by K V 7 years, 6 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Guys do we have to bring our original admit card or photocopied one ?? For all subjects

Posted by Tony Stark 7 years, 6 months ago

CBSE > Class 12 > Physics

4 answers

Tony Stark 7 years, 6 months ago

Nahi nahi Asse thori na hota hai sabko admit card nahi Diya kya

0Thank You

Radhika Tyagi 7 years, 6 months ago

Pta ni... Mere scul valo ne to diye hi ni... Sign krvake apne pas rkh liye.. Ppr k din hi milenge

0Thank You

Tony Stark 7 years, 6 months ago

Agr photocopied layege toh entry nahi hogi kya

0Thank You

Radhika Tyagi 7 years, 6 months ago

Original

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ANSWER

Why light nuclei usually undergo nuclear fission

Posted by Shweta Bharti 7 years, 6 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Faraday 1st law

Posted by Sharad Sharma 7 years, 6 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Do em waves carri momentum?

Posted by Tushar Thakur 7 years, 6 months ago

CBSE > Class 12 > Physics

1 answers

Harshit Tiwari H 7 years, 6 months ago

Of course yes

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ANSWER

Important problem sums from each chapter

Posted by Pawan Gidwani 7 years, 6 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Guys exam mai extra sheet Lena allowed hai na ?

Posted by Tony Stark 7 years, 6 months ago

CBSE > Class 12 > Physics

1 answers

J Ranjan Parida 7 years, 6 months ago

Hmm

0Thank You

ANSWER

Physics ke liye Kuch tips hai kya how to study effectively in less time.

Posted by Tony Stark 7 years, 6 months ago

CBSE > Class 12 > Physics

4 answers

Hitesh Kumar 7 years, 6 months ago

Tension ko maro ?

0Thank You

Tony Stark 7 years, 6 months ago

Mughe physics ki bohat tension hai because Sirf ek din hai padhne ke liye I mean revision ke liye.

0Thank You

Hitesh Kumar 7 years, 6 months ago

Sub se phale is app ko use karna band kro 2. NCERT Ke questions karo 3. Notes padho. 4 . Tension mat lo .. Or bhi kafi sare hai . Or bhi kafi log bata denge tumhe. ???

0Thank You

Jass Mangla 7 years, 6 months ago

Sabi densed hai baki derivations krlo ache se woh toh aati hi ae

1Thank You

ANSWER

Koi help KR numerical nhi aate 1 bhi nhi aata

Posted by Aman Verma 7 years, 6 months ago

CBSE > Class 12 > Physics

2 answers

Jass Mangla 7 years, 6 months ago

Baki toh achhe se krlo numericals ab honge bhi nhi tym bht km hai or unhe practise bht chahiye

1Thank You

Hitesh Kumar 7 years, 6 months ago

Bol kya help kar sakte hai . Btw ab theory he pad lo . Numerical 15 marks ka aata hai bus.

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ANSWER

how should i pass i havent studied anything yet...my exam is on 7th march 3 days to go...

Posted by Avinash Kumar 7 years, 6 months ago

CBSE > Class 12 > Physics

2 answers

Jass Mangla 7 years, 6 months ago

Hmara bhi tbhi hai baki thoda krlo whi achhe se krlo weightage vale krna pr ....blueprint dekhlena

0Thank You

Harshit Tiwari H 7 years, 6 months ago

भगवान भरोसे

1Thank You

ANSWER

What is critical angle ??

Posted by Puneet Sharma 7 years, 6 months ago

CBSE > Class 12 > Physics

4 answers

Radhika Tyagi 7 years, 6 months ago

Thanks yrr... Vse physics bhot weak h meri

0Thank You

Harshit Tiwari H 7 years, 6 months ago

Aayushi u r right

0Thank You

Akshay Singh 7 years, 6 months ago

Jis incident angle pe angle of refraction 90 degree ho us angle ko critical angle khte h

1Thank You

Radhika Tyagi 7 years, 6 months ago

The minimum angle after which TIR takes place..... Shayad

1Thank You

ANSWER

What is LED

Posted by Neelesh Rawat 7 years, 6 months ago

CBSE > Class 12 > Physics

1 answers

Garima Suyal 7 years, 6 months ago

A diode which emits light

0Thank You

ANSWER

a biconvex lens act as a converging in air but what happens when it is placed in water ?

Posted by Pankaj Gurav 7 years, 6 months ago

CBSE > Class 12 > Physics

3 answers

Aisha Grewal 7 years, 6 months ago

? ? ? ? ?

0Thank You

Garima Suyal 7 years, 6 months ago

Agar ayushi kah rahi to pakka galat hogo

1Thank You

Radhika Tyagi 7 years, 6 months ago

It wud bcm diverging

0Thank You

ANSWER

When a metallic cylindrical wire is stretched by 5%.Calculate the effect on resistance in percentage

Posted by Priyanjali Gaharwar 7 years, 6 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Why does current in a steady state not flow in capacitor connected across a battery ?

Posted by Palvi Shan 7 years, 6 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What is magnetic bottle

Posted by Vipul Pari 7 years, 6 months ago

CBSE > Class 12 > Physics

8 answers

Garima Suyal 7 years, 6 months ago

To and do

0Thank You

Aisha Grewal 7 years, 6 months ago

Huuuu.... Tra nickname rkhe

0Thank You

Radhika Tyagi 7 years, 6 months ago

???????????????vse mst nam h na 2 in 1

0Thank You

Aisha Grewal 7 years, 6 months ago

?????????ayushi ni asa ni sochte.... Glt bat..... ????????

1Thank You

Radhika Tyagi 7 years, 6 months ago

Dekh liya

0Thank You

Garima Suyal 7 years, 6 months ago

Tyagi g uppar vala question dekho

0Thank You

Radhika Tyagi 7 years, 6 months ago

Oye iska nam dekh aisha

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Aisha Grewal 7 years, 6 months ago

Hhhhhhhhhhhhh... Sachhhiiii.... Bta do yr kya hoti h

1Thank You

ANSWER

Why is induced electric field due ti changing magnetic flux more readily obseravable than the induced magnetic field due to changing electric field?

Posted by Ayush Kumar 7 years, 6 months ago

CBSE > Class 12 > Physics

2 answers

Prayag Shandilya 7 years, 6 months ago

Ye kya question hai check kar use

2Thank You

Garima Suyal 7 years, 6 months ago

Short mi likh bhai

0Thank You

ANSWER

What is graph b/w E and r for field intensity on equatorial line on dipole where r>>>a or when r<<<a

Posted by Rajat Parmar 7 years, 6 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What is dipole moment

Posted by Akku Athlete 7 years, 6 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Camper's ciraitAl law

Posted by Sharad Sharma 7 years, 6 months ago

CBSE > Class 12 > Physics

5 answers

Sharad Sharma 7 years, 6 months ago

Nd u ayushi

0Thank You

Sharad Sharma 7 years, 6 months ago

Hss rai ho btado yyrrr

0Thank You

Sharad Sharma 7 years, 6 months ago

amper's hi hai miss typing hogi

2Thank You

J Ranjan Parida 7 years, 6 months ago

?????

0Thank You

Radhika Tyagi 7 years, 6 months ago

Ab ye camper kon h..... Ampere km tha kya???

1Thank You

ANSWER

use the mirror equation to show that an object placed between f and 2f of a concave mirror produces a real image beyond 2f.

Posted by Biki Roy 7 years, 6 months ago

CBSE > Class 12 > Physics

1 answers

Radhika Tyagi 7 years, 6 months ago

NCERT solutions me dekh lo is app k

2Thank You

ANSWER

Deduce an expression for velocity of em waves in vaccum.

Posted by Balwinder Singh 7 years, 6 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

English ki tyaari ho gyi sabki ???????

Posted by Jass Mangla 7 years, 6 months ago

CBSE > Class 12 > Physics

7 answers

Jass Mangla 7 years, 6 months ago

Ysss ho gyi ....

0Thank You

Jass Mangla 7 years, 6 months ago

Ok maine bhi kha k ratta mar rhi ho shyd

0Thank You

Radhika Tyagi 7 years, 6 months ago

Are formats or bullet points

1Thank You

Jass Mangla 7 years, 6 months ago

Ayushi tum letters bhi pd kr jaogi iska toh PTA nhi hoya kha se aaengi

0Thank You

Jass Mangla 7 years, 6 months ago

M also doing questions

0Thank You

Aisha Grewal 7 years, 6 months ago

Abi suru ki h yr

0Thank You

Radhika Tyagi 7 years, 6 months ago

Letters rhte h bas

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ANSWER

How to solve numericals in an easy way

Posted by Ishika J 7 years, 6 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

A ray of light is incident at the brewster angle on the surface of a transparent medium deduce Brewster law by using Snell's law.

Posted by Akshita Kanwet 7 years, 6 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

It is importanat to do ncert exercise questions for exam

Posted by Rishabh Raj Harsh 7 years, 6 months ago

CBSE > Class 12 > Physics

1 answers

Anirban Sarkar 7 years, 6 months ago

Na no one knows questions kaha se aenge just chap pad lo aur samjh lo

2Thank You

ANSWER

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