|
Explain by drawing a suitable diagram that the interference pattern in a double slit is actually a superposition of single slit diffraction from each slit
|
|
2
|
6662
|
January 22, 2019
|
|
(a) The ratio of the widths of two slits in Young's double slit experiment is 4 : 1. Evaluate the ratio of intensities at maxima and minima in the interference pattern
|
|
3
|
15787
|
November 10, 2018
|
|
Consider a two slit interference arrangement (shown in figure) such that the distance of the screen from the slits is half the distance between the slits
|
|
2
|
6847
|
February 19, 2017
|
|
Explain qualitatively on the basis of domain picture the irreversibility in the magnetisation curve of a ferromagnet
|
|
1
|
2645
|
December 11, 2016
|
|
Why does a paramagnetic Sample display greater magnetisation (for the same magnetising field) when cooled?
|
|
1
|
5702
|
December 11, 2016
|
|
A compass needle free to turn in a horizontal plane
|
|
1
|
2814
|
December 11, 2016
|
|
The earth’s magnetic field varies from point to point in space
|
|
1
|
3625
|
December 11, 2016
|
|
A vector needs three quantities for its specification
|
|
1
|
5338
|
December 11, 2016
|
|
A compass needle, free to turn in a vertical plane
|
|
1
|
4643
|
December 11, 2016
|
|
A ball of superconducting material is dipped in liquid nitrogen and placed near a bar magnet
|
|
1
|
3259
|
December 11, 2016
|
|
The behaviour of magnetic field lines in the presence of
|
|
1
|
4609
|
December 11, 2016
|
|
A magnetic needle free to rotate in a vertical plane
|
|
1
|
4909
|
December 11, 2016
|
|
An observer to the left of a solenoid of N turns each of cross-section area
|
|
1
|
5944
|
December 11, 2016
|
|
A circular coil of N turns and diameter d carries a current I
|
|
1
|
11799
|
December 11, 2016
|
|
A small compass needle of magnetic moment M
|
|
1
|
9795
|
December 11, 2016
|
|
How does a circular loop carrying current behave as a magnet?
|
|
0
|
10762
|
December 11, 2016
|
|
The diameter of objective lens of a telescope
|
|
1
|
2070
|
December 11, 2016
|
|
A polaroid I is placed in front of a monochromatic source
|
|
1
|
1754
|
December 11, 2016
|
|
What is linearly polarised light?
|
|
1
|
9141
|
December 11, 2016
|
|
How does an unpolarised light gets polarised, when passed through a polaroid?
|
|
1
|
2138
|
December 11, 2016
|
|
When unpolarised light passes from air to a transparent medium
|
|
1
|
2617
|
December 11, 2016
|
|
Can reflection result in a plane polarised light
|
|
1
|
2461
|
December 11, 2016
|
|
Using Huygens’ construction of secondary wavelets explain
|
|
1
|
6549
|
December 11, 2016
|
|
Two wavelength of sodium light of 590 nm and 596 nm
|
|
1
|
4173
|
December 11, 2016
|
|
When the width of the slit is made double
|
|
1
|
2881
|
December 11, 2016
|
|
In Young’s double slit experiment
|
|
1
|
1746
|
December 11, 2016
|
|
A parallel beam of light of 500 nm falls on a narrow slit
|
|
1
|
2159
|
December 11, 2016
|
|
Consider a two slit interference arrangement
|
|
1
|
5967
|
December 11, 2016
|
|
Monochromatic light of wavelength 589 nm
|
|
1
|
2426
|
December 11, 2016
|
|
The spectral line for a given element
|
|
1
|
1950
|
December 11, 2016
|