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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: - When 1 kg of ice at 0⁰C melts to water at 0⁰C, the resulting change in its entropy
- In Young’s double slit experiment, the fringe width is 1×10⁻⁴ m, if the distance
- Heat is flowing through a rod of length 50 cm and area of cross-section 5 cm².
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When 1 kg of ice at 0⁰C melts to water at 0⁰C, the resulting change in its entropy
- In Young’s double slit experiment, the fringe width is 1×10⁻⁴ m, if the distance
- Heat is flowing through a rod of length 50 cm and area of cross-section 5 cm².
- The acceleration due to gravity near the surface of a planet of radius R and density d
- The effective length of magnet is 31.4 cm and its pole strength is 0.8Am.
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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