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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.
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- Work of 3.0×10⁻⁴ joule is required to be done in increasing the size of a soap film
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A disc of radius 0.1 m is rotating with a frequency 10 rev/sec in a normal magnetic
- Work of 3.0×10⁻⁴ joule is required to be done in increasing the size of a soap film
- The electric and magnetic field assiciated with an E.M. wave
- The initial rate of increase of current, when a battery of emf 6 V is connected
- A uranium nucleus ₉₂ U ²³⁸ emits an α-particle and a β-particle in succession.
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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