What is the ratio of resolving power of an optical microscope for wavelengths λ1= 4000 Å and λ2= 6000 Å?

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Question:
 What is the ratio of resolving power of an optical microscope for wavelengths λ1= 4000 Å and λ2= 6000 Å?

1.2:3

2.3:2

3.6:25

4.16:9

Posted Date:-2021-12-08 12:12:22

More MCQS Questions and answers

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  3. In a single-mode fibre, how does the fraction of energy travelling through bound mode appear in the cladding?
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  7. What is the inverse of resistance called?
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  10. Which of the following is not due to total internal reflection of light?
  11. Which of the following is the most conductive element?
  12. A cyclotron can accelerate
  13. A material that has zero resistance is called
  14. A microscope is used to focus on an object at the bottom of a beaker. The microscope is raised by 1 cm. To what height should the water be poured to bring the object in focus again. Refractive index of water is 4/3.
  15. A proton of energy 100 eV is moving perpendicular to a magnetic field 10-4 T. The cyclotron frequency of the proton in radian/sec
  16. A ray of light will undergo total internal reflection if it
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  29. If the work function for a certain metal is 3.2 x 10-19 joule and it is illuminated with light of frequency 8 x 1014 Hz. The maximum kinetic energy of the photo-electrons would be (h= 6.63 x 10-34 Js).
  30. In an optical fibre communication system, which among the following is not a typical transmitter function?
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