|
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
|
5330
|
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
|
14073
|
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
|
6588
|
February 19, 2017
|
|
Explain qualitatively on the basis of domain picture the irreversibility in the magnetisation curve of a ferromagnet
|
|
1
|
2482
|
December 11, 2016
|
|
Why does a paramagnetic Sample display greater magnetisation (for the same magnetising field) when cooled?
|
|
1
|
5527
|
December 11, 2016
|
|
A compass needle free to turn in a horizontal plane
|
|
1
|
2657
|
December 11, 2016
|
|
The earth’s magnetic field varies from point to point in space
|
|
1
|
3463
|
December 11, 2016
|
|
A vector needs three quantities for its specification
|
|
1
|
5184
|
December 11, 2016
|
|
A compass needle, free to turn in a vertical plane
|
|
1
|
4508
|
December 11, 2016
|
|
A ball of superconducting material is dipped in liquid nitrogen and placed near a bar magnet
|
|
1
|
3103
|
December 11, 2016
|
|
The behaviour of magnetic field lines in the presence of
|
|
1
|
4489
|
December 11, 2016
|
|
A magnetic needle free to rotate in a vertical plane
|
|
1
|
4760
|
December 11, 2016
|
|
An observer to the left of a solenoid of N turns each of cross-section area
|
|
1
|
5607
|
December 11, 2016
|
|
A circular coil of N turns and diameter d carries a current I
|
|
1
|
11146
|
December 11, 2016
|
|
A small compass needle of magnetic moment M
|
|
1
|
9241
|
December 11, 2016
|
|
How does a circular loop carrying current behave as a magnet?
|
|
0
|
7906
|
December 11, 2016
|
|
The diameter of objective lens of a telescope
|
|
1
|
1945
|
December 11, 2016
|
|
A polaroid I is placed in front of a monochromatic source
|
|
1
|
1625
|
December 11, 2016
|
|
What is linearly polarised light?
|
|
1
|
8965
|
December 11, 2016
|
|
How does an unpolarised light gets polarised, when passed through a polaroid?
|
|
1
|
2022
|
December 11, 2016
|
|
When unpolarised light passes from air to a transparent medium
|
|
1
|
2497
|
December 11, 2016
|
|
Can reflection result in a plane polarised light
|
|
1
|
2318
|
December 11, 2016
|
|
Using Huygens’ construction of secondary wavelets explain
|
|
1
|
5408
|
December 11, 2016
|
|
Two wavelength of sodium light of 590 nm and 596 nm
|
|
1
|
4025
|
December 11, 2016
|
|
When the width of the slit is made double
|
|
1
|
2608
|
December 11, 2016
|
|
In Young’s double slit experiment
|
|
1
|
1602
|
December 11, 2016
|
|
A parallel beam of light of 500 nm falls on a narrow slit
|
|
1
|
2019
|
December 11, 2016
|
|
Consider a two slit interference arrangement
|
|
1
|
5751
|
December 11, 2016
|
|
Monochromatic light of wavelength 589 nm
|
|
1
|
2280
|
December 11, 2016
|
|
The spectral line for a given element
|
|
1
|
1803
|
December 11, 2016
|