Incorrect URL accessed!!!!

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Find expression for intensity of light when (n-1) polariod sheets are inserted between two crosses polariodd. If angle between any two successive polariod is the same..

Posted by Cheshta Gupta 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

How sunlight get polarised by the scatters?

Posted by Geetika Singh 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Derivation of electric dipole with equitorial plane

Posted by Swatantra Gupta 8 years ago

CBSE > Class 12 > Physics

2 answers

Aayisha Azeez 8 years ago

Derivation is too long

Aayisha Azeez 8 years ago

E=1/(4πEo)(p/r^3). ,Eo_ permittivity of free space

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si or ge are not use in LED why?

Posted by Raja Ali 8 years ago

CBSE > Class 12 > Physics

0 answers

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Two circular coils made of same wire are of radii 30cm and 60cm are connected in parallel. What will be the ratio of the magnetic fields at their centres?

Posted by Benedict Sabu 8 years ago

CBSE > Class 12 > Physics

0 answers

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What is the lenz law

Posted by Vishnu Singh 8 years ago

CBSE > Class 12 > Physics

3 answers

Nishit Mangal 8 years ago

Oppose the change

Yuthika Yadav 8 years ago

Lenz law state that the direction of induced emf is such that it oppose the cause by which it is produced.

Piyush K 8 years ago

Given below is your answer

ANSWER

State the factor which controls intensity of light emitted by LED?

Posted by Benedict Sabu 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Lenz lae

Posted by Sanket Agrawal 8 years ago

CBSE > Class 12 > Physics

1 answers

Piyush K 8 years ago

Polarity of induced emf is such that it tend to produce current which opposes the change in magnetic flux that produce it

ANSWER

Lena law

Posted by Sanket Agrawal 8 years ago

CBSE > Class 12 > Physics

2 answers

Sanket Agrawal 8 years ago

Piyush K 8 years ago

Is it Lenz law

ANSWER

Is it important to study Einstein's theory of photoelectric emission?

Posted by Sai Thaini 8 years ago

CBSE > Class 12 > Physics

1 answers

Yuthika Yadav 8 years ago

Yes

ANSWER

Coulmb's law in vector form

Posted by Shaurya Pratap Singh 8 years ago

CBSE > Class 12 > Physics

2 answers

Nishit Mangal 8 years ago

Ncert khol k dekh

Yuthika Yadav 8 years ago

F= 1/4π€° × qQ× vector r /r3

ANSWER

State the factor which control the wavelength of light emitted by a LED?

Posted by Benedict Sabu 8 years ago

CBSE > Class 12 > Physics

1 answers

Ritu Gupta 8 years ago

I think energy gap but not sure

ANSWER

A ray of light falls on a transparent sphete

Posted by Shruti Agrawal 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

I from Indore CBSE AJMER region.my question is that if I done all the past year papers(5 years 2013-1017) so how many marks I got.I am doing only papers of Ajmer region

Posted by Jay Pra 8 years ago

CBSE > Class 12 > Physics

5 answers

Aisha Grewal 8 years ago

Kya fake rha h bhai tu

Sai Thaini 8 years ago

;)

Piyush K 8 years ago

Yes, of course not 90 above but 95 above..............hardwork

Sai Thaini 8 years ago

Piyush are you sure that if we do the last 5 years papers and are clear with the concept we can score 90+?

Piyush K 8 years ago

95 marks above if you do it throughly and make your concept clear

ANSWER

What is Cauchy equation?

Posted by Piyush K 8 years ago

CBSE > Class 12 > Physics

1 answers

Yuthika Yadav 8 years ago

n = A+B/lambda sq. +C/labda raise to power

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How to do study of board exam because derivation of physics is very hard

Posted by Piyush Dhandhukiya 8 years ago

CBSE > Class 12 > Physics

1 answers

Ishu Chouhan 8 years ago

Its not difficult , it is next to possible , just practice....

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From which chapter numerical asked

Posted by Raj Raj 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Write the relation for the speed of electromagnetic waves in terms of the amplitudes of electric and magnetic field

Posted by Kamini Chaudhary 8 years ago

CBSE > Class 12 > Physics

2 answers

Priyanka Bohra 8 years ago

C=E0/B0

Abhishek Singh 8 years ago

Speed of light, c=E/B where E and B are the amplitude of electric and magnetic field respectively.

3Thank You

ANSWER

What are the important chapters for numericals of class +2

Posted by Vikas Nadha 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Derive the expression for refraction through prism.

Posted by Neha Raj 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What is damping

Posted by Ajay Kumar 8 years ago

CBSE > Class 12 > Physics

1 answers

Nishit Mangal 8 years ago

From which chaptr

ANSWER

What is red light

Posted by Anagha Gopakumar 8 years ago

CBSE > Class 12 > Physics

1 answers

Radhika Tyagi 8 years ago

Visible light whose colour is red is called red light

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Does magnifying power of a Microscope depend upon colour of light used ?Justify your answer.

Posted by Sonu Choudhary 8 years ago

CBSE > Class 12 > Physics

1 answers

Purnesh Kumrawat 8 years ago

Yes .check out lens maker formula

ANSWER

IC syllabus me h kya???

Posted by Abhishek Soni 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What is global positioning system and its principle

Posted by Muskaan Gugnani 8 years ago

CBSE > Class 12 > Physics

1 answers

Chirag Chirag 8 years ago

Gps it use to find position of object it works on space wave propagation

ANSWER

How radial magnetic field is achieved in galvanometer?

Posted by Keshav Jha 8 years ago

CBSE > Class 12 > Physics

4 answers

Ritu Gupta 8 years ago

Using cylindrical magnets

Ayushi Tiwari 8 years ago

Using a field magnet with concave poles

Akash Agarwal 8 years ago

By using soft iron. Core

Keshav Jha 8 years ago

Aata hai kisiko??

ANSWER

How i can pass in exam

Posted by Shivam Dohare 8 years ago

CBSE > Class 12 > Physics

2 answers

Ayushi Tiwari 8 years ago

Padho!!!!

Ayush Raj 8 years ago

study and only study