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Plz guys follow me on brainly.. I'd is vishal619212

Posted by Vishal Kaushik 7 years, 2 months ago

CBSE > Class 12 > Physics

6 answers

Vishal Kaushik 7 years, 2 months ago

Brainly pe aana ek baar

Vishal Kaushik 7 years, 2 months ago

Ya it is helpful

Vishal Kaushik 7 years, 2 months ago

Kk

G K 7 years, 2 months ago

vishal , do u find this helpful

G K 7 years, 2 months ago

my ID is gauravkumar102004......i have just login in this....

Vishal Kaushik 7 years, 2 months ago

Download it plz

ANSWER

Is question paper of cbse come from cbse important questions

Posted by Harshit Mahajan 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

The cutoff wavelength of X-Ray be coming from an x-ray tube depends on the what

Posted by Yo Yo Honey Singh ? 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

How will coefficient of friction change if the normal reaction is halved

Posted by Yo Yo Honey Singh ? 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Why are pole pieces of a magnet in a moving coil galvanometer made concave

Posted by Vinita Kanwar 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Nuke 7 years, 2 months ago

As they provide radial magnetic field.

ANSWER

What is induced emf.write and prove faraday law of electromagnetic induction.express it mathamaticay

Posted by Satyam Rajput 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Equivalent potential of parallel cells

Posted by Garima Anand 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Why convex mirror cannot be used in torches

Posted by Manisha Sheoran 7 years, 2 months ago

CBSE > Class 12 > Physics

2 answers

Manisha Sheoran 7 years, 2 months ago

But how can image be formed. Torches dont form images.

Mansi Sharma 7 years, 2 months ago

As it shows virtual , errect and enlarged images...

ANSWER

Parallel resonant circuit are in our course In ac chapter

Posted by Tanmay Rastogi 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Abhay Raghuvanshi 7 years, 2 months ago

No

ANSWER

Class 12 physics 2018 paper code 55/3 Q.18

Posted by Tanmay Rastogi 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Why are nuclear fusion reacters are not made?

Posted by Jyoti Soni 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Why i am not set a limit of added money

Posted by Riabros Sharma 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

At a particular place at a distace of 10 km from a transmission station a person can receive signals but not able to receive signals at 100km, suggest a method how he can receive signal at 11km

Posted by Shivani Sharma 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Derive an expression of the energy stored in a capacetor

Posted by Ayush Saini 5 years, 8 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Why ac is more dangerous than dc

Posted by Saima Jain 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Chirag Kumar 7 years, 2 months ago

Mesuring ac gives an average i.e.,rms value which is less than actual maximim current in the circuit.e.g.in homes the supply shown by suitable device is 220V but maximum value is 311V.

ANSWER

Mention the difference between interferance and defraction of light

Posted by Abhishek Chauhan 4 years, 6 months ago

CBSE > Class 12 > Physics

1 answers

Sia ? 4 years, 6 months ago

Diffraction is the result of light propagation from distinct part of the same wavefront. While interference is the result of the interaction of light coming from two separate wavefronts. The width of the fringes in case of diffraction is not equal while the fringe width in case of interference is equal.

ANSWER

what should be the width of each slit to obtain 10 maxima of the double slit interference pattern within the central maximum of single slit diffraction pattern

Posted by Vishnu Vishal 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

How can i will get reading of class 12 activity file of physics

Posted by Vinay Singh 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Which type of Ray used in RADAR system?

Posted by Rohit Gautam 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Yogita Ingle 7 years, 2 months ago

Microwaves are considered suitable for radar systems used in aircraft navigation because they have a short wavelength range (10^-3 m to 0.3 m), which makes them suitable for long range communication.

ANSWER

Define kirchhoffs law and mention its application?

Posted by Rohan Samrat 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Harshit Chauhan 7 years, 2 months ago

Kirchoff law gives the current in any closed circuit

ANSWER

Relatin b/w current density,mobility,and electric field

Posted by Asad Kamal 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What is the distance between ratina and eye lens?

Posted by Amresh Sah 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Asad Kamal 7 years, 2 months ago

The distance between lens and retina for a normal human eye is about 2.5cm, and the pupil can vary in size from 2.0mm to 8.0mm.

ANSWER

When will the physics paper 12th class cbse 2019 will happen

Posted by Raunit Kumar 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Raj Singh 7 years, 2 months ago

7 th march

ANSWER

Write the phenomenas related with refraction in daily life & explain them in brief?

Posted by Aakarsh Kaushik 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Write the phenomenas related with refraction in daily life?

Posted by Aakarsh Kaushik 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Matruprava Das 7 years, 2 months ago

Twinkling of stars, objects in water appear to be closer than they actually are ,early sunrise and delayed sunset etc.

ANSWER

In an experiment on Aloha particles scattering by a thin gold foil.Draw a plot showing the number of particles scattered to the scattering angle. Why is it taht a very small fraction of particles are scattered at angle>90°?

Posted by Anchal Thakur 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Which is more dangerous : Nuclear fission or fusion....also give me reason.....

Posted by G K 7 years, 2 months ago

CBSE > Class 12 > Physics

2 answers

G K 7 years, 2 months ago

But my teacher said that Nuclear fusion is more dangerous becoz it releases more energy during reaction.....?

Anchal Thakur 7 years, 2 months ago

Nuclear fission because it causes destructive effects

ANSWER

Why is the magnetic field out side solenoid is zero?

Posted by Avinash Rathore 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Princesses Kaur 7 years, 2 months ago

Buz their is magnetic flux is 0

ANSWER

P = E / C Derive it.

Posted by Rohit Thakur 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Why Ac better than Dc curent

Posted by Vaibhav Gaur 5 years, 8 months ago

CBSE > Class 12 > Physics

2 answers

Mohit Sepat 7 years, 2 months ago

What r benefits

Naveen Takshak 7 years, 2 months ago

A.c. converts into D.C. and it has many benefits

ANSWER

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