| ⇦ | 
| ⇨ |
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: - Moment of inertia of a uniform circular disc about a diameter is I. Its moment
- The magnifying power of a convex lens of focal length 10 cm, when the image
- If a solid ball of metal has a concentric spherical cavity with in it if the ball
- During production of cathode ray
- An automobile moves on a road with a speed of 54 km h⁻¹. The radius of its wheels
Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Moment of inertia of a uniform circular disc about a diameter is I. Its moment
- The magnifying power of a convex lens of focal length 10 cm, when the image
- If a solid ball of metal has a concentric spherical cavity with in it if the ball
- During production of cathode ray
- An automobile moves on a road with a speed of 54 km h⁻¹. The radius of its wheels
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Answer is wrong. should be 10(to power 17)/s