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Doctors Medicines MCQs Q&A

  1. Diffraction
  2. Polarisation
  3. Laser
  4. Total internal reflection
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Option 3 : Laser

Hologram used the technique holography which records scattered light and presents in 3 dimensional form. It makes use of laser beam for the purpose.
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Related Questions

The following question consists of six sentences of a passage. The first and the sixth sentences are given in the beginning as S1 and S6. The middle four sentences in each have been jumbled up and labelled P, Q, R and S. You are required to find the proper sequence of the four sentences and mark your response accordingly. S1: At four O’clock this morning, Hitler attacked and invaded Russia. S6: Under its cloak of false confidence, the German armies drew up in immense strength along a line which stretches from the White Sea to the Black Sea. P: No complaint had been made by Germany of its non-fulfilment. Q: All his usual formalities of perfidy were observed with scrupulous technique. R: No one could have expected that Hitler would do it. S: A non-aggression treaty had been solemnly signed and was in force between the two countries. The correct sequence should be?
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