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When a beam of light is used to determine the position of an object, the maximum accuracy is achieved if the light is
Options
(a) Polarised
(b) Of longer wavelength
(c) Of shorter wavelength
(d) Of high intensity
Correct Answer:
Of shorter wavelength
Explanation:
Shorter the wavelength, greater the accuracy in measurement.
Related Questions: - A proton is moving in a uniform magnetic field B in a circular path of radius a
- A particle moves from position r₁ = 3i + 2j -6k to position r₂ = 14i + 13 j+ 9 k
- A straight conductor 0.1 m long moves in a uniform magnetic field 0.1 T.
- A body travelling along a straight line traversed one-third of the total distance
- The displacement of a particle varies according to the relation x=4 (cos π t + sin π t)
Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A proton is moving in a uniform magnetic field B in a circular path of radius a
- A particle moves from position r₁ = 3i + 2j -6k to position r₂ = 14i + 13 j+ 9 k
- A straight conductor 0.1 m long moves in a uniform magnetic field 0.1 T.
- A body travelling along a straight line traversed one-third of the total distance
- The displacement of a particle varies according to the relation x=4 (cos π t + sin π t)
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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