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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 source is moving towards an observer with a speed of 20 m/s and having frequency
- The kirchoff’s first law (∑i=0) and second law (∑iR=∑E), where the symbols
- If the band gap between valence band and conduction band in a material is 5.0 eV,
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A source is moving towards an observer with a speed of 20 m/s and having frequency
- The kirchoff’s first law (∑i=0) and second law (∑iR=∑E), where the symbols
- If the band gap between valence band and conduction band in a material is 5.0 eV,
- The time period of a mass suspended from a spring is T. If the spring is cut into four
- An electric motor operating on a 60 volt D.C supply draws a current of 10 amp.
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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