JEE Questions for Physics Ray Optics Quiz 30 - MCQExams.com

In young\'s double slit experiment if the width of 3rd fringe is 10–2 cm, then the width of 5th fringe will be______________cm
  • 10–2
  • 5 × 10–2
  • 2 × 10–2
  • 10+2
The wave length corresponding to photon is 0.016 Å . Its K.E.______________ J.(h = 6.66 × 10–34 SI, c = 3.0 ×108 ms–1 )
  • 1.237 × 10–13
  • 1.237 × 1013
  • 12.37 × 10–13
  • 12.37 × 10+13

Physics-Ray Optics-87368.png
  • 0.36
  • 3
  • 0.6
  • 6
Ordinary light incident on a glass slab at the polarising angle, suffers a deviation of 22o . The value of angle of refraction in this case is__________.
  • 44o
  • 34o
  • 22o
  • 11o
0:0:1


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