| ⇦ | 
| ⇨ |
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: - A thin equiconvex lens of refractive index 3/2 and radius of curvature 30 cm
- Two spherical bodies of mass M and 5 M and radii R and 2 R released in free space
- The radius of curvature of the convex face of a plano-convex lens is 12 cm
- A cylindrical capacitors has charge Q and length L. If both the charge and length
- A person holding a rifle (mass of person and rifle together is 100 kg) stands on a smooth
Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A thin equiconvex lens of refractive index 3/2 and radius of curvature 30 cm
- Two spherical bodies of mass M and 5 M and radii R and 2 R released in free space
- The radius of curvature of the convex face of a plano-convex lens is 12 cm
- A cylindrical capacitors has charge Q and length L. If both the charge and length
- A person holding a rifle (mass of person and rifle together is 100 kg) stands on a smooth
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