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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.
Related Questions: - Huygen’s wave theory allows us to know
- A n-p-n transistor is connected in common emitter configuration in a given amplifier.
- Light propagates rectilinearly because of its
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Huygen’s wave theory allows us to know
- A n-p-n transistor is connected in common emitter configuration in a given amplifier.
- Light propagates rectilinearly because of its
- If the distance between the plates of two capacitor is increased then capacitance
- A straight conductor 0.1 m long moves in a uniform magnetic field 0.1 T.
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