particle is 6.68 x 10-27 kg. (co) (a) In a Newton's Rings experiment, it is known that the 5th dark ring has diameter of 0.3 cm and the 15th dark ring has a diameter of 0.62 cm. Do you think from this data it is possible to find the diameter of 27th dark ring? If so, find it. Can you make a general remark on whether one can find the diameter of a dark ring with ring number which is not a multiple of five from the data given. above? (cos) (b) Correct the following statement at appropriate places (If there are any mistakes) "Interference due to a thin parallel film occurs due to phase changes via multiple reflections, this is possible even if the film is not parallel. The above interference phenomenon is responsible for beautiful colour of peacock and its feathers. However if the light incident is of one particular wavelength we will get only dark and bright fringes " CO
particle is 6.68 x 10-27 kg. (co) (a) In a Newton's Rings experiment, it is known that the 5th dark ring has diameter of 0.3 cm and the 15th dark ring has a diameter of 0.62 cm. Do you think from this data it is possible to find the diameter of 27th dark ring? If so, find it. Can you make a general remark on whether one can find the diameter of a dark ring with ring number which is not a multiple of five from the data given. above? (cos) (b) Correct the following statement at appropriate places (If there are any mistakes) "Interference due to a thin parallel film occurs due to phase changes via multiple reflections, this is possible even if the film is not parallel. The above interference phenomenon is responsible for beautiful colour of peacock and its feathers. However if the light incident is of one particular wavelength we will get only dark and bright fringes " CO
Please try to answer the question within 25 minutes with both sub parts a,b
Transcribed Image Text:particle is 6.68 x 10-27 kg. (co4)
(a) In a Newton's Rings experiment, it is known that the 5th dark ring has diameter of 0.3 cm and the
15th dark ring has a diameter of 0.62 cm. Do you think from this data it is possible to find the
diameter of 27th dark ring? If so, find it. Can you make a general remark on whether one can find
the diameter of a dark ring with ring number which is not a multiple of five from the data given.
above? (cos)
(b) Correct the following statement at appropriate places (If there are any mistakes)
"Interference due to a thin parallel film occurs due to phase changes via multiple reflections, this is
possible even if the film is not parallel. The above interference phenomenon is responsible for
beautiful colour of peacock and its feathers. However if the light incident is of one particular
wavelength we will get only dark and bright fringes "CO
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