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The network PQRS shown in the circuit diagram has the batteries of 4V and 5V and negligible internal resistance A milliammeter of 20 ohm resistance is connected between P and R calculate the reading in the milliammeter

Posted by Manoj Tripathi 7 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What is helmholtz equation? Write its expressional form...

Posted by Aryan Gupta 7 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

how to get above 90 in physics

Posted by Viney Singh 5 years, 10 months ago

CBSE > Class 12 > Physics

4 answers

Niteen Yaduvanshee 7 years, 1 month ago

Ncert all questions and practice sample papers

Simran Godara 7 years, 1 month ago

Only ncert....... It help u to score 90+....

Dharshika As 7 years, 1 month ago

by practising previous 10 years question papers and sample papers of cbse

Manmeet Virdi 7 years, 1 month ago

By doing ncert que

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An electric dipole +- 4mocro coulomb is kept at the coordinates (1,0,4) and (2,-1,5) the electric field is given by E= 20i^ NC^-1 calculate the torque on the dipole

Posted by Gagan Robin Singh 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Gagan Robin Singh 7 years, 1 month ago

PlZz anyone ans this que...plzz plzz

ANSWER

An iron cored solenoid has self inductance 2.8H when the core is removed , the self inductance become 2 mH. What is the relative permeability of core used?

Posted by Happy Singh 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Dipak Kumar Das 5 years, 1 month ago

ans

ANSWER

Is there any formula in atom to find wavelength like 1242/E

Posted by Mohit Dalal 7 years, 1 month ago

CBSE > Class 12 > Physics

2 answers

Dharshika As 7 years, 1 month ago

when the unit of energy is electron volt

Dharshika As 7 years, 1 month ago

yes

ANSWER

Using Huygens principle verify laws of reflection at a plane surface

Posted by Afshan Parween 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Deepak Jindal 7 years, 1 month ago

Plz check in your book or on the internet site

ANSWER

Draw the wave front coming out of the convex lens when a plane wave front of lightincident on it

Posted by Tapas Chitransh 7 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

To investigate the dependance of the angle of deviation on angle of incidence using a hollow prism filled one by one with different transparent liquids.

Posted by Ygendra Singh 7 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Find focal length of convex lens using parallox full experiment

Posted by Akash Kumar 7 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Describe diffaraction of light due to a single slit.explain formation of a pattern of fringes obtain on the screen and draw a plot showing variation of intensity with angle in single slit diffraction

Posted by Md Anees 7 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

How many electrons are present in 1 couloumb of charge

Posted by Naresh Sahu 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Yogita Ingle 7 years, 1 month ago

A single electron has a charge of 1.60217733 × 10^-19 Coulombs. A coulomb of electron charge is equal to the the charge of 6.241509324×10¹⁸electrons.

ANSWER

Last year's practical questions

Posted by Neena Sahu 5 years, 10 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Value based questions aayega kya 2019 ke exam mai koi v subject mai

Posted by Ashwini Kumar Mohanty 7 years, 1 month ago

CBSE > Class 12 > Physics

4 answers

Dharshika As 7 years, 1 month ago

are you sure can you tell me from did you confirm this?

Deepak Jindal 7 years, 1 month ago

Naa

Tannu Pandey 7 years, 1 month ago

No

Anshika Babbar 7 years, 1 month ago

Nhi

ANSWER

SI unit of intensity?

Posted by Vishali Raina 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Anshika Babbar 7 years, 1 month ago

Watt per square metre

ANSWER

If one slit of youngs double slit experiment is coved with a glass so that intensity of light is reduced to 70% then find the ratio of maximum and minimum intensity of the light in the interference pattern

Posted by Khushmeen Randhawa 7 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Numerical khese kare

Posted by Deepak Sharma 7 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

complete Syllabus

Posted by Deepak Sharma 7 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

SI unit of polarisation vector P

Posted by Baby Mehra 7 years, 1 month ago

CBSE > Class 12 > Physics

2 answers

Pragya Gupta 7 years, 1 month ago

C/m2

Abd Fan 7 years, 1 month ago

Coulomb per metre square

ANSWER

Is human eye is in syllabus? And what comes from this portion?

Posted by Kishu Raj 7 years, 1 month ago

CBSE > Class 12 > Physics

2 answers

Deepak Jindal 7 years, 1 month ago

Nooo

Rupas Chettri 7 years, 1 month ago

No

ANSWER

Current which flows in absence charges

Posted by Ajay Kumar 7 years, 1 month ago

CBSE > Class 12 > Physics

2 answers

Veerpal Singh 7 years, 1 month ago

Displacement current

Kanwar Brar 7 years, 1 month ago

diffusion

ANSWER

Syllabus of class 12 physics in 2020

Posted by Ashish Jaat Sehrawat 7 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

2 square metal plates A and B are of the same thickness and material the side of B is twice of the side of A ... What is the ratio between resistance of A and B ?

Posted by Sristi Papnai 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Abd Fan 7 years, 1 month ago

1:2

ANSWER

How I will prepare by ncert or by arihant????????? ¿

Posted by Ashu Rathore 7 years, 1 month ago

CBSE > Class 12 > Physics

4 answers

Ashu Rathore 7 years, 1 month ago

Thnksss for ur suggestion but in arinht it contains both ncert and last years questions sooo. I m confused

Kuldeep ?? 7 years, 1 month ago

I think that if you prepre full ncert properly you can score better.

Sweta Gautam 7 years, 1 month ago

Firstly you should prepare ncert and then prepare arihant

Suraj Lata Chaudhary 7 years, 1 month ago

First you should prefer ncert

ANSWER

How many input in a logical and gate

Posted by Rahul Kundu 7 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Why don't the electron does not get stuck to nucleas and revolving around it.....According to bohrs model

Posted by Somil Dubey 7 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

How we write project

Posted by Ranjan Sah 7 years, 1 month ago

CBSE > Class 12 > Physics

2 answers

Meenakshi Sangwan 7 years, 1 month ago

Ncc

Deepak Gupta 7 years, 1 month ago

You can use paper and pen. ppt or pdf version is not allowed.

ANSWER

How is a sample of an n type semiconductor electrically neutral though it has an excess of negative charge??

Posted by Abbas Ali???? 7 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Principle of potentiometer

Posted by Shivam Anand 7 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Yogita Ingle 7 years, 1 month ago

The potentiometer works on the principle that when a constant current flows through a wire of uniform cross sectional area, potential difference between its two points is directly proportional to the length of the wire between the two points.

ANSWER

Working model of 12th

Posted by Shivam Rai 7 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

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