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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 very small circular loop of radius a is initially (at t=0) coplanar and concentric
- If a small amount of antimony is added to germanium crystal
- The frequency of a light wave in a material is 2 x 10¹⁴ Hz and wavelength is 5000Å.
- A body is thrown vertically upward in air when air resistance is taken into account
- A wind with speed 40 m/s blows parallel to the roof of a house. The area of the roof
Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A very small circular loop of radius a is initially (at t=0) coplanar and concentric
- If a small amount of antimony is added to germanium crystal
- The frequency of a light wave in a material is 2 x 10¹⁴ Hz and wavelength is 5000Å.
- A body is thrown vertically upward in air when air resistance is taken into account
- A wind with speed 40 m/s blows parallel to the roof of a house. The area of the roof
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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