Incorrect URL accessed!!!!

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Hahh

Posted by Utkarsh Kamerikar 5 years, 5 months ago

CBSE > Class 12 > Physics

0 answers

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Explain the paramagnetic behaviour of the material

Posted by Ambari . 7 years, 2 months ago

CBSE > Class 12 > Physics

2 answers

Xyz Xyz 7 years, 2 months ago

if we heat paramagnetic substance then they become feromagnetic substance &temp is called curie temp

Kusum Rani 7 years, 2 months ago

The ones that paramagnetic substances are slightly attracted by magnet

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After what time a radioactive substances remains 10% of its initial value & after what time radioactive Substance decay 90% of it's initial value

Posted by Kunal Jangid 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Kunal Jangid 7 years, 2 months ago

I solved this question. The Rutherford soddy eq. We will always find remaining part N=10% of No N=10/100×No N=No/10 N/No=1/2t/T1/2 No/10No =1/2t/T1/2 1/10=1/2t/T1/2 10= 2t/T1/2 (2) power 3.3=t/T1/2 3.3=t/T1/2 Then t= 3.3T1/2

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Two point charges class 4 microcoulomb and + 1 microcoulomb are separated by a distance of 2 m in air find the point on the line joining charges at which the net electric field of the system is zero.

Posted by Satheesh N 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

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A particle is moving with speed 6m/s along the direction of vector A=2i+2j-k, then its velocity

Posted by Laksh Meena 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

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What do u mean by electric field line.

Posted by Kunal Jangid 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Niharika Srivastav 7 years, 2 months ago

->It is defined as tangent to which at any point give the direction of electric field at that point. ->They can't form a close loop.

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A 500 microcoulomb charge is at the centre of the square of side 10 cm find the work done in moving the charge of 10 microcoulomb between two diagonal opposite points on the square

Posted by Deepak Rathi 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Shubham Sharma 7 years, 2 months ago

Zero

3Thank You

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Show that the electric field at a point on a surface of charged conductor or just outside it is perpendicular to the surface

Posted by Brijeshwar Singh 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Hakaishin Manan San 7 years, 2 months ago

Use Gauss law ...Moreover we assume as of the whole charge is concentrated at the centre of sphere ....so field is radial

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The number density of electron in copper is 8.25 ×10 ^-3m determine the current flow through a copper wire of 0.2m area of 1mm^2 when connected to the battery of 3 volt given the mobility is 4.5 ×10 ^-6 m^2 V^-1 sec^-1

Posted by Hardik Purohit 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

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What is the reason for using 1/4pie in magnetic field

Posted by Harshit Kumar 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Hakaishin Manan San 7 years, 2 months ago

It's the value for permiability of free space( a constant)Read Ncert it's given in it

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Lens. Used to cure myopia

Posted by Mitali Debnath 7 years, 2 months ago

CBSE > Class 12 > Physics

3 answers

Shubham Dubey 7 years, 2 months ago

Concave

Vaibhav Sharma 7 years, 2 months ago

Concave

Garvit Pandey 7 years, 2 months ago

concave

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What will be the minimum hieght of plane mirror to see image of an object of h height?

Posted by Yash Srivastava 7 years, 2 months ago

CBSE > Class 12 > Physics

2 answers

Yash Srivastava 7 years, 2 months ago

Plz explain how?

Harsha Antil 7 years, 2 months ago

H/2

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What is electronic theory of charge ??

Posted by Abhishek Betu 7 years, 2 months ago

CBSE > Class 12 > Physics

0 answers

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what is Internal resistance

Posted by Raj Kumar Meena 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Divyansh Yadav 7 years, 2 months ago

The opposition offered by electrolyte of the cell to the flow of current in the circuit & it is denoted by r

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What is the best source of E. M. Wave

Posted by Kunal Jangid 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Xyz Xyz 7 years, 2 months ago

light waves

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Write the relation between drift velocity and potential difference

Posted by Anjali Kumari 7 years, 2 months ago

CBSE > Class 12 > Physics

1 answers

Raj Kumar Meena 7 years, 2 months ago

(V/R)=nEAVd where, V- Potential.. n- No. of electrons.. A- Area of cross section of the conductor.. Vd- Drift velocity.. R- Resistance of the conductor.