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derive lens maker formula for convex lens

Posted by Anand Kumar 7 years, 4 months ago

CBSE > Class 12 > Physics

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Explaination of lenz's law?

Posted by Sahil Kumar 7 years, 4 months ago

CBSE > Class 12 > Physics

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Is it true a coil is placed in uniform B have net force is zero and ptove that is equal m×B

Posted by Vinti Chaudhary 7 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Vansh Goyal 7 years, 4 months ago

In electrostatic if q charge is kept in electric field e then it experience force f F=qe Similarly when a magnetic pole(m) is kept in magnetic field thwn it experience force f F=mB Q replaced by m and. E replaced by B

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electreice field due to point charge

Posted by Danish Gour 5 years, 8 months ago

CBSE > Class 12 > Physics

1 answers

Rocky Choudhary 7 years, 4 months ago

E = KQ / R^2

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The 2 condensers each of capacity 2uF are connected in parallel and 3 such combinations are connected in series.find resultant capacity of combination

Posted by R T 7 years, 4 months ago

CBSE > Class 12 > Physics

2 answers

Shekhar Gurjar 7 years, 4 months ago

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Shekhar Gurjar 7 years, 4 months ago

C=4/3

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find the electric field on a axial line of an electric dipole

Posted by Kusal Thakur 7 years, 4 months ago

CBSE > Class 12 > Physics

2 answers

Satyam Chimaniya 7 years, 4 months ago

NCERT किताब में मिल जाता है कि वह अपने आप को यह भी कहा कि इस तरह की कोई बात नहीं है

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Chandra Sree Gandhavarapu 7 years, 4 months ago

Physics ncert textbook pgno-27&28

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Studends ka rahe c ke physic da final paper paper out of syllabus aunda ga is it right

Posted by Gurmeet Singh 7 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Gaurav Tiwari 7 years, 4 months ago

1Thank You

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Write condition of sensitive galvanometer

Posted by Khushi Sen 7 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

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What is locus?In wavefront.

Posted by Akshay Satish 7 years, 4 months ago

CBSE > Class 12 > Physics

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Two positive points charges of 4c and 1c are situated at a distance of 3 meter of each other. Where should a third positive charge of 1c must be placed on the line joining the two so that it remains unaffected?

Posted by Ashish Kacktwan 7 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Abhishek Kumar Sinha 2 years, 9 months ago

For making this numerical we take + Unity charge

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Krichoffs law

Posted by Krishna Awasthi 7 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Umang Jain 7 years, 4 months ago

Kirchoffs give two law 1.function rule or node rule or kcl - the total sum of incoming current at any node will be equal to the sum of outgoing current . 2.loop rule or kvl - the sum of total emf of the closed circuit should be equal to the sum of voltage drop across circuit element.

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Marks distribution for board exam for physics

Posted by Rahil Behlim 7 years, 4 months ago

CBSE > Class 12 > Physics

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direction of magnetic field in torque

Posted by Akash Yadav 7 years, 4 months ago

CBSE > Class 12 > Physics

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As we know that the mgnet attracts only some of the things on the earth and also when magent is align with a thread then the magnet align itself in a particular direction but when a pencil which is not even attracted by the magnet align itself tooo so why the happens

Posted by Diksha Sharma 7 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Abhishek Kumar Sinha 7 years, 4 months ago

Since Earth is also a magnet hence it align the pencil towards itself

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Why the equipotential surfaces about a single charge are not equidistant?

Posted by Robert Longjam 7 years, 4 months ago

CBSE > Class 12 > Physics

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Practical application of electrostatic shielding

Posted by Robert Longjam 7 years, 4 months ago

CBSE > Class 12 > Physics

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Emf=3v I=2A Two resistance =2ohm And second is 1ohm. find potential difference.

Posted by Mohini Rana 7 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

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Is it true that we can't use pencil to draw diagrams in 12 board?

Posted by Kartik Verma 7 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Kalai Arasi 7 years, 4 months ago

No it is not like that for drawing we must only pencil

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We know that magnetic field is originated from moving charges So how earth has a magnetic field . I want to know its moving charges origin

Posted by Surya Prakash Nagbanshi 7 years, 4 months ago

CBSE > Class 12 > Physics

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why earth's behaves like a magnet ? Give reason.

Posted by Ravi Kumar 7 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Amandeep Kumar 7 years, 4 months ago

Due presence of moving charge in earth.. Magnetic field are produced... Hence earth's behaves like a magnet

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Derive capacitance

Posted by Adityaख़ासाअ Anand25 7 years, 4 months ago

CBSE > Class 12 > Physics

1 answers

Amit Dubey 7 years, 4 months ago

Charge bearing capacity of particle.

1Thank You

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A concave lens of refractive index 1.5 is immersed in a medium of refractive index 1.65. What is the nature of the lens ?

Posted by Ayush Jaiswal 7 years, 4 months ago

CBSE > Class 12 > Physics

0 answers

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a concave lens of refractive index 1.5 is immersed

Posted by Ayush Jaiswal 7 years, 4 months ago

CBSE > Class 12 > Physics

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Which type of radiation will be most effective for emission of electrons

Posted by Kapil Khatri 7 years, 4 months ago

CBSE > Class 12 > Physics

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Hello i am new here . I want to make notes of physics numericals of class 12 of chapter current electricity but i am not able to decide which numericals should i put in notes anybody help plzplz

Posted by Abhat Singh 7 years, 4 months ago

CBSE > Class 12 > Physics

2 answers

Abhat Singh 7 years, 4 months ago

Am asking for imp nunericals not topics

1Thank You

Khushi Mondal 7 years, 4 months ago

(a) Relation between i and Vd in Conductor (b) Balanced Wheatstone Bridge (c) Combination of resistors Parallel combination Series combination (d) Battery and EMF(Electro Motive Force) (e)KIRCHOFF's Law Different Measuring Instrument Galvanometer Ammeter Voltmeter Wheatstone Bridge Meter Bridge Potentiometer -_-These are important topics in Board and Competitive exams

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Point charge

Posted by Devendra Choudhary 7 years, 4 months ago

CBSE > Class 12 > Physics