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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 photons of energy hν fall on an aluminium plate (of work function E₀),
- The net electric force on a charge of +3μC at the mid-point on the line joining two
- The temperature of a metal block is increased from 27⁰C to 84⁰C. The rate of radiated energy
- The drift velocity of the electrons in a copper wire of length 2 m under
- If the alternating current I=I₁ cosωt+I₂ sinωt, then the rms current is given by
Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When photons of energy hν fall on an aluminium plate (of work function E₀),
- The net electric force on a charge of +3μC at the mid-point on the line joining two
- The temperature of a metal block is increased from 27⁰C to 84⁰C. The rate of radiated energy
- The drift velocity of the electrons in a copper wire of length 2 m under
- If the alternating current I=I₁ cosωt+I₂ sinωt, then the rms current is given by
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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