Physics Quiz: Polarisation and Resolving Power
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Physics Quiz: Polarisation and Resolving Power

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Questions and Answers

In case of polarisation, if i is angle of incidence and θP is polarising angle then

  • For i = θP, reflected light is fully polarised
  • Both (2) and (3) are correct (correct)
  • For i = θP, refracted and reflected light rays are perpendicular to each other
  • For i = θP, refracted light is fully polarised
  • A point object (inside a glass slab) when viewed from two opposite faces of a plane glass slab appears at distance of 9 cm and 5 cm respectively from the surfaces. Thickness of glass slab is (aμg = 1.5)

  • 10 cm
  • 22.5 cm (correct)
  • 21 cm
  • 26.2 cm
  • The ratio of resolving power of an optical microscope for two wavelengths 600 nm and 450 nm is

  • 9 :16 (correct)
  • 3 : 4
  • 16:9
  • 1 : 1
  • If bichromatic light used in YDSE have wavelengths λ1 = 700 nm and λ2 = 500 nm, then minimum order of maxima for λ1 which overlaps with maxima of λ2 is

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    A point object is moving with a speed of 10 cm/s in front of a converging lens along the principal axis as shown in figure. At this instant, the speed of the image is

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