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What type of current enters in our house dc or ac

Posted by Manan And Chintan Juneja 8 years ago

CBSE > Class 12 > Physics

2 answers

Rohit Bisht 8 years ago

Ac cureent

Atanu Das 8 years ago

Ac

ANSWER

why plastic lenes are thicker?

Posted by Palak Katoch 8 years ago

CBSE > Class 12 > Physics

1 answers

Uttam Thakur 8 years ago

because they aren't pseudo solids like glasses ..

ANSWER

Why electric field line contract logitudinaly and expand latrally ?

Posted by Ask Bishnoi 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Ampere's circuital law

Posted by Sanjay Kumar Gupta 8 years ago

CBSE > Class 12 > Physics

1 answers

Uttam Thakur 8 years ago

integral magnetic field dot product of elementary length is equal to the u° times of current

ANSWER

What is break down voltage?

Posted by Akansha Singh 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Find the conditions under which the charged particles moving with different speed in presence of electric and magnetic field vectors can be used to select change GED particles at a particular speed.

Posted by Prince Tanwer 8 years ago

CBSE > Class 12 > Physics

1 answers

Uttam Thakur 8 years ago

you can consult from cyclotron topic

ANSWER

Resonance frequency

Posted by Prince Tanwer 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Write two properties of a material suitable for making (I) Parmanent magnet or an electromagnet

Posted by Prince Tanwer 8 years ago

CBSE > Class 12 > Physics

1 answers

Uttam Thakur 8 years ago

it sould be high corressivity and retentivity

ANSWER

A ray of light passing from air through a equilateral glass prism undergoes minimum deviation when the angle of incidence is 3/4 of the angle of prism.calculate the speed of light in the prism

Posted by Sonali Sah 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Flow of water in tap then current plate in closer what effect in condition

Posted by Deepak Varshney 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

I did not concentrated on my study since starting but now I realize that course is very difficult and it's not possible to understand the full course in this short time. So, can u tell me some most important topics by which I can score better...

Posted by Roxer Buoy 8 years ago

CBSE > Class 12 > Physics

1 answers

Uttam Thakur 8 years ago

walk only through the notes of this app u will score much better

ANSWER

Explain the working of a photocell? Give it's application

Posted by Divesh Agrawal 8 years ago

CBSE > Class 12 > Physics

1 answers

Vishal Gupta 8 years ago

This topic is not for the examination point of view

ANSWER

The role of eyepiece is always to act as simple microscope. Is it correct

Posted by Sanjana Cristy 8 years ago

CBSE > Class 12 > Physics

1 answers

Bharadwaj Prashant 8 years ago

May be if it will be working in simple microscope. Either it converges or diverges the ray going through it

ANSWER

Explain the working principle of cyclotron

Posted by Prathmesh Mahurkar 8 years ago

CBSE > Class 12 > Physics

1 answers

Manan And Chintan Juneja 8 years ago

It works on the principle on velocity filter that is only charge particle with vel. E/B can be accelerated

ANSWER

Explain torque acting on a body in magnetic field

Posted by Sanju Aman 8 years ago

CBSE > Class 12 > Physics

1 answers

Uttam Thakur 8 years ago

Tau=qvb sine theta

ANSWER

What type of wave front will emerge from a 1.point source and 2.distant light source

Posted by Vijay Rajendiran 8 years ago

CBSE > Class 12 > Physics

1 answers

Divesh Agrawal 8 years ago

1. Spherical 2.plane

ANSWER

Explanation of cyclotron

Posted by Bharat Tiwari 8 years ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Which part of the electromagnetic spectrum issued in operating RADAR

Posted by Banala Klori 8 years ago

CBSE > Class 12 > Physics

1 answers

Kanika Thakur 8 years ago

Microwaves.

ANSWER

Distinguish between potentiometer nd voltmeter

Posted by Niharika Joshi 8 years ago

CBSE > Class 12 > Physics

1 answers

Soumya Sakshi 8 years ago

Potentiometer is used to measure the potential difference between any two points in the electrical circuit accurately.it is based on null deflection method whereas voltmeter is used to measure potential difference between any two points in a electrical circuit approximately.it is based on deflection method.moreover potentiometer can be used for other purposes also but voltmeter is used only for finding potential difference.

ANSWER

Whether derivation of magnifying power of compound microscope and telescope is in cbse syllabus or not

Posted by Khushi Bhattcharya 8 years, 1 month ago

CBSE > Class 12 > Physics

2 answers

Abc Xyz 8 years ago

It will come in cbse paper

Niharika Joshi 8 years ago

Only diagram will be ask in board exam

ANSWER

How to form waves in air, water

Posted by Niharika Joshi 8 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Soumya Sakshi 8 years ago

Waves are simply disturbances created in a medium.therefore of course we can create Waves in air and water by simply disturbing the actual state of its particles.ex - sound wave propagating through air,ripples formed in water etc.

ANSWER

Derive an expression for field to infinity charged wire with the help of Gauss law

Posted by Suhani Kashyap 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Drive working anas construction of compound microscope

Posted by Mohd Monish 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

Give me important topics of Wave optics and Ray optics.

Posted by Usma Raynee 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

What happens if the two terminals of a cell is connected with same wire

Posted by Shashank Ranjan 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

How many derivations in phy

Posted by Vikas Kumar 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

A straight condutor carrying current is placed horizontally in a uniform magnetic field pointing vertically downward. What will be the direction of the force experienced by the cunductor if there is a current in it from left to right

Posted by Adarsh Singh 8 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Isha Jain 8 years, 1 month ago

Considering that the current flows from west to east and the magnetic field is downward then according to flemmings left hand rule the force will act southward on wire

ANSWER

A polythene piece rubbed with wool is found to have a negative charge of 3.2×10C estimate the number of electrons transfered from which to which

Posted by Sanjay Singh 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

A 12pf capacitor is connected to a 50v battery. How much electrostatic energy is stored in the capacitor.

Posted by Aman Panday 8 years, 1 month ago

CBSE > Class 12 > Physics

1 answers

Isha Jain 8 years, 1 month ago

E=1/2*C*V^2 =1/2*12*10^-12*(50)^2 = 1.5*10^-8 joules

ANSWER

What is the apparent position of an object below of glass 6cm thick if a layer of water 4cm thick is on the top of the glass ?

Posted by Uditya Kumar 8 years, 1 month ago

CBSE > Class 12 > Physics

0 answers

ANSWER

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