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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 6 years, 10 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

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

Posted by Aryan Gupta 6 years, 10 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

how to get above 90 in physics

Posted by Viney Singh 5 years, 8 months ago

CBSE > Class 12 > Physics

4 answers

Niteen Yaduvanshee 6 years, 10 months ago

Ncert all questions and practice sample papers

Simran Godara 6 years, 10 months ago

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

Dharshika As 6 years, 10 months ago

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

Manmeet Virdi 6 years, 10 months 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 6 years, 10 months ago

CBSE > Class 12 > Physics

1 answers

Gagan Robin Singh 6 years, 10 months 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 6 years, 10 months ago

CBSE > Class 12 > Physics

1 answers

Dipak Kumar Das 4 years, 11 months ago

ans

ANSWER

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

Posted by Mohit Dalal 6 years, 10 months ago

CBSE > Class 12 > Physics

2 answers

Dharshika As 6 years, 10 months ago

when the unit of energy is electron volt

Dharshika As 6 years, 10 months ago

yes

ANSWER

Using Huygens principle verify laws of reflection at a plane surface

Posted by Afshan Parween 6 years, 10 months ago

CBSE > Class 12 > Physics

1 answers

Deepak Jindal 6 years, 10 months 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 6 years, 10 months 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 6 years, 10 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Find focal length of convex lens using parallox full experiment

Posted by Akash Kumar 6 years, 10 months 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 6 years, 10 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

How many electrons are present in 1 couloumb of charge

Posted by Naresh Sahu 6 years, 10 months ago

CBSE > Class 12 > Physics

1 answers

Yogita Ingle 6 years, 10 months 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, 8 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 6 years, 10 months ago

CBSE > Class 12 > Physics

4 answers

Dharshika As 6 years, 10 months ago

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

Deepak Jindal 6 years, 10 months ago

Naa

Tannu Pandey 6 years, 10 months ago

No

Anshika Babbar 6 years, 10 months ago

Nhi

ANSWER

SI unit of intensity?

Posted by Vishali Raina 6 years, 10 months ago

CBSE > Class 12 > Physics

1 answers

Anshika Babbar 6 years, 10 months 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 6 years, 10 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Numerical khese kare

Posted by Deepak Sharma 6 years, 10 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

complete Syllabus

Posted by Deepak Sharma 6 years, 10 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

SI unit of polarisation vector P

Posted by Baby Mehra 6 years, 10 months ago

CBSE > Class 12 > Physics

2 answers

Pragya Gupta 6 years, 10 months ago

C/m2

Abd Fan 6 years, 10 months ago

Coulomb per metre square

ANSWER

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

Posted by Kishu Raj 6 years, 10 months ago

CBSE > Class 12 > Physics

2 answers

Deepak Jindal 6 years, 10 months ago

Nooo

Rupas Chettri 6 years, 10 months ago

No

ANSWER

Current which flows in absence charges

Posted by Ajay Kumar 6 years, 10 months ago

CBSE > Class 12 > Physics

2 answers

Veerpal Singh 6 years, 10 months ago

Displacement current

Kanwar Brar 6 years, 10 months ago

diffusion

ANSWER

Syllabus of class 12 physics in 2020

Posted by Ashish Jaat Sehrawat 6 years, 10 months 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 6 years, 10 months ago

CBSE > Class 12 > Physics

1 answers

Abd Fan 6 years, 10 months ago

1:2

ANSWER

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

Posted by Ashu Rathore 6 years, 10 months ago

CBSE > Class 12 > Physics

4 answers

Ashu Rathore 6 years, 10 months ago

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

Kuldeep ?? 6 years, 10 months ago

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

Sweta Gautam 6 years, 10 months ago

Firstly you should prepare ncert and then prepare arihant

Suraj Lata Chaudhary 6 years, 10 months ago

First you should prefer ncert

ANSWER

How many input in a logical and gate

Posted by Rahul Kundu 6 years, 10 months 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 6 years, 10 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

How we write project

Posted by Ranjan Sah 6 years, 10 months ago

CBSE > Class 12 > Physics

2 answers

Meenakshi Sangwan 6 years, 10 months ago

Ncc

Deepak Gupta 6 years, 10 months 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???? 6 years, 10 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Principle of potentiometer

Posted by Shivam Anand 6 years, 10 months ago

CBSE > Class 12 > Physics

1 answers

Yogita Ingle 6 years, 10 months 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 6 years, 10 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

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