|
Why does a paramagnetic Sample display greater magnetisation (for the same magnetising field) when cooled?
|
|
1
|
5664
|
December 11, 2016
|
|
A compass needle free to turn in a horizontal plane
|
|
1
|
2791
|
December 11, 2016
|
|
The earth’s magnetic field varies from point to point in space
|
|
1
|
3599
|
December 11, 2016
|
|
A vector needs three quantities for its specification
|
|
1
|
5317
|
December 11, 2016
|
|
A compass needle, free to turn in a vertical plane
|
|
1
|
4616
|
December 11, 2016
|
|
A ball of superconducting material is dipped in liquid nitrogen and placed near a bar magnet
|
|
1
|
3236
|
December 11, 2016
|
|
The behaviour of magnetic field lines in the presence of
|
|
1
|
4591
|
December 11, 2016
|
|
A magnetic needle free to rotate in a vertical plane
|
|
1
|
4888
|
December 11, 2016
|
|
If the bar magnet in Q. 8 is turned around by 180°
|
|
1
|
1626
|
December 11, 2016
|
|
A short bar magnet placed in a horizontal plane
|
|
1
|
3357
|
December 11, 2016
|
|
Obtain the declination and dip angles at P and Q
|
|
1
|
1173
|
December 11, 2016
|
|
Calculate the pole strength
|
|
1
|
2598
|
December 11, 2016
|
|
Verify the Gauss’ law for magnetic field
|
|
1
|
3534
|
December 11, 2016
|
|
A magnetic dipole is under the influence of two magnetic fields
|
|
1
|
2712
|
December 11, 2016
|
|
What is the torque on the magnet in cases (a) and (b)?
|
|
1
|
1354
|
December 11, 2016
|
|
At what distance from the centre of the magnet
|
|
1
|
1340
|
December 11, 2016
|
|
An observer to the left of a solenoid of N turns each of cross-section area
|
|
1
|
5878
|
December 11, 2016
|
|
A circular coil of N turns and diameter d carries a current I
|
|
1
|
11709
|
December 11, 2016
|
|
A small compass needle of magnetic moment M
|
|
1
|
9721
|
December 11, 2016
|
|
How does a circular loop carrying current behave as a magnet?
|
|
0
|
10510
|
December 11, 2016
|
|
A short bar magnet has a magnetic moment of
|
|
1
|
2103
|
December 11, 2016
|
|
The diameter of objective lens of a telescope
|
|
1
|
2055
|
December 11, 2016
|
|
A polaroid I is placed in front of a monochromatic source
|
|
1
|
1734
|
December 11, 2016
|
|
What is linearly polarised light?
|
|
1
|
9110
|
December 11, 2016
|
|
How does an unpolarised light gets polarised, when passed through a polaroid?
|
|
1
|
2118
|
December 11, 2016
|
|
When unpolarised light passes from air to a transparent medium
|
|
1
|
2597
|
December 11, 2016
|
|
Can reflection result in a plane polarised light
|
|
1
|
2447
|
December 11, 2016
|
|
Using Huygens’ construction of secondary wavelets explain
|
|
1
|
6464
|
December 11, 2016
|
|
Two wavelength of sodium light of 590 nm and 596 nm
|
|
1
|
4155
|
December 11, 2016
|
|
When the width of the slit is made double
|
|
1
|
2844
|
December 11, 2016
|