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Can u give me a list of most important topics for boards exams ????

Posted by Parth Gautam 8 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Rahul Sain 8 years, 1 month ago

Brother blue print ke hisaab se kro ki konsi unit se konsa question kitne marks kaa h

0Thank You

ANSWER

If i have done NCERT and nootan is it sufficient for board for each chapter

Posted by Sushmit Trivedi 8 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Aditya Raj 8 years, 1 month ago

Yes

1Thank You

ANSWER

Derive an expression for the electric field at a point on the equatorial position of an electric dipole.

Posted by Rumi Ansari 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Derive the expression l=nAeVd.

Posted by Rumi Ansari 8 years, 1 month ago

CBSE > Class 12 > Physics

2 answers

Varun Prajapati 8 years, 1 month ago

Aap iska diagram bna lo.

1Thank You

Varun Prajapati 8 years, 1 month ago

Current is equal to the no.of electrons (ne) having velocity(vd) passing through an area(A)

2Thank You

ANSWER

Principles workings theory construction of generator

Posted by Shaheera Begum 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Explain, using Huygens’ principle ,how diffraction is produced by a narrow slit which is illuminated by monochromatic light. Show that central maximum is twice as wide as the other maxima and the pattern becomes narrower as the width of the slit is increased.

Posted by Hardik Shrimankar 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Kya cbse board exam me physics ncert ke additional questions aate hai

Posted by Arun Parmar 8 years, 1 month ago

CBSE > Class 12 > Physics

4 answers

Ishu Chouhan 8 years, 1 month ago

Puche jate h

0Thank You

Ishu Chouhan 8 years, 1 month ago

Yes ,ncert se direct questions puche Kate h especially for physics

0Thank You

Ujjawal Sharma 8 years, 1 month ago

Irodov ke bhi aate hain

0Thank You

Chinmay Gupta 8 years, 1 month ago

Sure

0Thank You

ANSWER

what is electric dipole?

Posted by Manish Sahu 8 years, 1 month ago

CBSE > Class 12 > Physics

2 answers

Shivanshu Yadav 8 years, 1 month ago

Sapperate by small distance h

1Thank You

Minal Sinha 8 years, 1 month ago

An electric dipole is two charged objects, with equal but opposite electric charges, that are separated by a distance.

0Thank You

ANSWER

Show on a plot the nature of variation of the electric field and potential of a small electric dipole with the distance (r) of the field point from the centre of the dipole

Posted by Sugandha Mahto 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What is Cyclotron

Posted by Amrit Pal Sarpanch 8 years, 1 month ago

CBSE > Class 12 > Physics

4 answers

Varun Prajapati 8 years, 1 month ago

Accelerate the particle or protons to high speed and from this u will get great amount of energy and use this energy for other work...

1Thank You

Rochie Joshi 8 years, 1 month ago

Ya and it uses Cross ed magnetic and electric field.

1Thank You

Chinmay Gupta 8 years, 1 month ago

Used to accelerate heavily positive charge particles like proton duetron..

1Thank You

Sanat Zehra 8 years, 1 month ago

Use to accelerate charge particle to high energy

2Thank You

ANSWER

Derive an expression for the effective capacitance when capacitors are connected in (a) series and (b)parallel

Posted by Aliya Ansari 8 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Jin Kazama 8 years, 1 month ago

Resistance ke case se bilkul ulta hai ?

1Thank You

ANSWER

Capacitance of capacitor with dielectric at media

Posted by Rashi Sahu 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

States Coulomb's law and express it in vector form.Derive it using Gauss theorem.

Posted by Aliya Ansari 8 years, 1 month ago

CBSE > Class 12 > Physics

2 answers

Ishu Chouhan 8 years, 1 month ago

Refer ncert

0Thank You

Khalid Ansari 8 years, 1 month ago

Book se Dekh lo ?

3Thank You

ANSWER

Single slit derivation

Posted by Md Abdul Khalique 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Formula of phase difference of dark fringe ?

Posted by Shreya Upadhyay 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Rms value of ac

Posted by Preety Bawa 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Important questions of cbse class 12 physics for 2018 board

Posted by Ali Baba 8 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Jin Kazama 8 years, 1 month ago

see in this app ?

1Thank You

ANSWER

Electric potntial energy define

Posted by Hemant Garg 8 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Deepak Jha 8 years, 1 month ago

The amount of energy which is required to bring the charge from one point to another

1Thank You

ANSWER

Show that the work done in an electric field is Independent of path.

Posted by Aliya Ansari 8 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Pranav Rastogi 8 years, 1 month ago

Electric force is a conservative force hence work done in an electric field does not depend upon path.

2Thank You

ANSWER

Please explain diffraction and the single slit experiment

Posted by Riya Jain 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Define electric potential at a point.derive an expression for the electric potential at a point due to (a) a point charge system of point charges (b) a dipole.

Posted by Aliya Ansari 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Send the theory of transistor

Posted by Harish Rk 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Is transistor as amplifier CE configuration working is asked in board examinations

Posted by Harish Rk 8 years, 1 month ago

CBSE > Class 12 > Physics

2 answers

Deepak Jha 8 years, 1 month ago

Yes

1Thank You

Deepak Chander Joshi 8 years, 1 month ago

Yes

2Thank You

ANSWER

Derive an expression for the electrostatic potential energy of a system of point charges.

Posted by Aliya Ansari 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

A beam of light consisting of two wavelengths 8 00 nm and 600 nm is used to obtain the interference fringes in youngs double slit experiment on screen placed 1.4 m away .If the two slits are separated by 0.28 mm, calculate the least distance from the central bright maximum where the bright fringes of two wavelengths coincide.

Posted by Rudhira Reddy 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

a resistor of 100ohm and a capacitor of 100/π x 10^-6 F are connected in series to a 220v, 50hz ac supply..calculate the current in circuit...calculate rms voltage across the resistor and capacitor

Posted by Jayasree V 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

1mm wavelength belongs to which em waves..

Posted by Saily Pagar 8 years, 1 month ago

CBSE > Class 12 > Physics

2 answers

Utkarsh Mathur 8 years, 1 month ago

Both microwave and infra- red wave Microwave : 0.1m - 1mm Infra-red : 1mm - 700nm

2Thank You

Shivanshu Yadav 8 years, 1 month ago

Radio wave

3Thank You

ANSWER

If radius of Gaussian surface enclosed charge q is halved. How does electric flux through the Gaussian surface changed

Posted by Akash Sidhu 8 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Utkarsh Mathur 8 years, 1 month ago

Electric flux remains same, electric flux is independent of radius and depend only on charge enclosed in surface Electric flux =q/(epsilon naught)

1Thank You

ANSWER

Why we provide metallic contacts on the LED

Posted by Bhawana Bisht 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Gauss Theron

Posted by Deepk Sharma 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

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