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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
- The maximum number of possible interference maxima for slit-seperation equal to
- The velocity v of waves produced in water depends on their wavelength λ, the density
- Two points are located at a distance of 10 m and 15 m from the source of oscillation
- The potential energy of a simple harmonic oscillator when the particle is half way
- A layer of glycerine of thickness 1 mm present between a large surface area of 0.1 m².
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