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

Because the electron of glass rod is loosely held and when we rub glass rod with silk clothe the electron from glass rod transfer to silk clothe and glass rod contain positive charge

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An erect image three times of an object form at a concave mirror of radius of 36 cm calculate the position of object and image formed at mirror?

Posted by Piyush Bhatt 7 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Piyush Bhatt 7 years, 4 months ago

m=3 R=36 : f=36/2=18 m=-v/u using mirror formula =) =)3=-v/u 1/f=1/v - 1/u =)v=-3u 1/-18=1/-3u - 1/u 3u=-=36 u=-12 v=-3×-12 =36

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Electrostatic definition

Posted by Ritik Beniwal 7 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Shaily Singh 7 years, 5 months ago

The phenomenon dealing with charges at rest is called Electrostatics

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In a horizontal uniform electric field a small charge disvstart this is generally released onthe top of a fix electrical dome the discs slide down the Dome without friction and breaks away from the surface of dome at the angular position theta equal to Sin inverse 3 by 5 from vertical determine the ratio of the force of gravity acting on the disc to the force of it interaction with the field.

Posted by Mohini Rana 7 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

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a charge Q divided in to two parts kept at distance .Find the value of two parts.show that the force between them is maximum?

Posted by Tanuj Kumar 7 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Aashi Agarwal 7 years, 5 months ago

Austria defeated France in the war And the rule of Germany came over the state

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What is gauss theorm

Posted by Sonu Patwa 7 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

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Can you cite any situation where gauss's law cannot be helpful to find intensity of electric field?

Posted by Pratibha Ydv 7 years, 5 months ago

CBSE > Class 12 > Physics

2 answers

Sanjeev Reddy 7 years, 5 months ago

It has

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Pragati Singh 7 years, 5 months ago

If there is no closed surface means it haven't having volume

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A charged particle of charge 2uc and 10 milligram moving with a velocity 1000m/s enters a uniform electric field of strength 103N/C directed perpendicular to direction of motion. Find velocity and displacement after 10s.

Posted by Harsh Kedia 7 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Define permeability, relative permeability or absolute permeability?

Posted by Pradeep Patidar 7 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Two sphere has charges +4c and +11c And the second sphere has 2R they intermixed and after separate what charges on both the sphere

Posted by Rupali Pathak 7 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Draw equipotential surface for point charge

Posted by Ankit Mishra 7 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Why the gestation period is continuously less less in female as7 and half , 8 month

Posted by Divya Yadav 7 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Can 2 similarly charged ball attract

Posted by Divya Yadav 7 years, 5 months ago

CBSE > Class 12 > Physics

2 answers

Aashi Agarwal 7 years, 5 months ago

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Anjali Kumari 7 years, 5 months ago

No , because 2 similar charges repail each other

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Why do different materials have different refractive indices?

Posted by Dharshika As 7 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Does the board had made rule that the paper will be designed from ncert text book only ?

Posted by Siddharth Verma 7 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Omkar Holkar 7 years, 5 months ago

Yes

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How can you measure the resistance of a wire?

Posted by Gurleen Kaur 7 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Kunal Shah 7 years, 5 months ago

by voltameter

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What is the value of cos theta in the derivation of guass law using coloumbs law

Posted by Isha Ahuja 7 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

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For hindi medium student please provide physics chemistry and biology subject details in hindi language...

Posted by Rakesh Tiwari 7 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Is cbse board papers different in Delhi than in uttar pradesh

Posted by Angel Angel 7 years, 5 months ago

CBSE > Class 12 > Physics

2 answers

Omkar Holkar 7 years, 5 months ago

Yes

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Rishabh Sahu 7 years, 5 months ago

There are separate papers for delhi.

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Electric field ?

Posted by Nandan Sharma 7 years, 5 months ago

CBSE > Class 12 > Physics

2 answers

Aj Style 7 years, 5 months ago

The area surrounded by a charge in which another charge experiences a force is called electric field

1Thank You

Ranjeeta Kumari 7 years, 5 months ago

Electric field is a always continuously process

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how can i prepare for board exams

Posted by Vrunda Desai 7 years, 5 months ago

CBSE > Class 12 > Physics

1 answers

Omkar Holkar 7 years, 5 months ago

By studying regularly ??

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ANSWER

Does cbse fail students easily

Posted by Anuj Srivastava 7 years, 5 months ago

CBSE > Class 12 > Physics

2 answers

Anuj Srivastava 7 years, 5 months ago

Thanks maine paper pura pura kiya hai waise

1Thank You

Aditya Chaudhary 7 years, 5 months ago

No actually it is easy to pass in cbse if you do your best

3Thank You

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What is Stefan law

Posted by Gurvinder Kaur 7 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

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