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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
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2
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6505
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January 22, 2019
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(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
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3
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15418
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November 10, 2018
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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
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2
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6804
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February 19, 2017
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Explain qualitatively on the basis of domain picture the irreversibility in the magnetisation curve of a ferromagnet
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1
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2622
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December 11, 2016
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Why does a paramagnetic Sample display greater magnetisation (for the same magnetising field) when cooled?
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1
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5667
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December 11, 2016
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A compass needle free to turn in a horizontal plane
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1
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2797
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December 11, 2016
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The earth’s magnetic field varies from point to point in space
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1
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3605
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December 11, 2016
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A vector needs three quantities for its specification
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1
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5319
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December 11, 2016
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A compass needle, free to turn in a vertical plane
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1
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4620
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December 11, 2016
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A ball of superconducting material is dipped in liquid nitrogen and placed near a bar magnet
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1
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3239
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December 11, 2016
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The behaviour of magnetic field lines in the presence of
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1
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4594
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December 11, 2016
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A magnetic needle free to rotate in a vertical plane
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1
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4892
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December 11, 2016
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An observer to the left of a solenoid of N turns each of cross-section area
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1
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5890
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December 11, 2016
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A circular coil of N turns and diameter d carries a current I
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1
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11755
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December 11, 2016
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A small compass needle of magnetic moment M
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1
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9749
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December 11, 2016
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How does a circular loop carrying current behave as a magnet?
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0
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10552
|
December 11, 2016
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The diameter of objective lens of a telescope
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1
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2060
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December 11, 2016
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A polaroid I is placed in front of a monochromatic source
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1
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1739
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December 11, 2016
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What is linearly polarised light?
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1
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9115
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December 11, 2016
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How does an unpolarised light gets polarised, when passed through a polaroid?
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1
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2119
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December 11, 2016
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When unpolarised light passes from air to a transparent medium
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1
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2601
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December 11, 2016
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Can reflection result in a plane polarised light
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1
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2449
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December 11, 2016
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Using Huygens’ construction of secondary wavelets explain
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1
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6474
|
December 11, 2016
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Two wavelength of sodium light of 590 nm and 596 nm
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1
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4158
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December 11, 2016
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When the width of the slit is made double
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1
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2849
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December 11, 2016
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In Young’s double slit experiment
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1
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1733
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December 11, 2016
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A parallel beam of light of 500 nm falls on a narrow slit
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1
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2150
|
December 11, 2016
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Consider a two slit interference arrangement
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1
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5924
|
December 11, 2016
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Monochromatic light of wavelength 589 nm
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1
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2405
|
December 11, 2016
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The spectral line for a given element
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1
|
1936
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December 11, 2016
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