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The focal lengths of a converging lens are fᵥ and fᵣ for violet and red lights, respectively. Which of the following is correct?
Options
(a) fᵥ < fᵣ
(b) fᵥ = fᵣ
(c) fᵥ > fᵣ
(d) It depends on the average refractive index
Correct Answer:
fᵥ < fᵣ
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- According to Hook’s law of elasticity, if stress is increased, the ratio of stress
- Two discs of same material and thickness have radii 0.2 m and 0.6 m.
- A body starts from rest, what is the ratio of the distance travelled by the body
- The parallel beams of monochromatic light of wavelength 4.5 x10⁻⁷ m passes through
- The work function for aluminium is 4.125 eV. The cutoff wavelength for photoelectric
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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