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The frequency of light ray having the wavelength 3000Å is
Options
(a) 9×10¹³ cycle/sec
(b) 10¹⁵ cycle/sec
(c) 90 cycle/sec
(d) 3000 cycle/sec
Correct Answer:
10¹⁵ cycle/sec
Explanation:
n = v / λ = 3 × 10⁸ / 3000 × 10⁻¹° = 10¹⁵ cycle/sec.
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For a normal eye, the cornea of eye provides a converging power 40 D and the least
- When there is no heat change from surroundings in a system, then the process
- A particle moves a distance x in time t according to equation x = (t + 5)⁻¹
- If the lattice parameter for a crystalline structure is 3.6 Å, then the atomic radius
- A ray of light is incident at an angle of incidence i, on one face of a prism
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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Answer is wrong. should be 10(to power 17)/s