Q14.Red light differs from blue light as they have : (1) Different frequencies and different wavelengths (2) Different frequencies and same wavelengths (3) Same frequencies and same wavelengths (4) Same frequencies and different wavelengths
What This Question Tests
This conceptual question differentiates red and blue light based on their fundamental properties of frequency and wavelength, understanding that speed remains constant in a given medium.
Concepts Tested
Formulas Used
c = fλ
📚 NCERT Sections This Tests
10.1 — Monochromatic Light Of Wavelength 589 Nm Is Incident From Air On A
Physics Class 12 · Chapter 10
10.1 Monochromatic light of wavelength 589 nm is incident from air on a water surface. What are the wavelength, frequency and speed of (a) reflected, and (b) refracted light? Refractive index of water is 1.33.
10.3 — (A) The Refractive Index Of Glass Is 1.5. What Is The Speed Of Light In
Physics Class 12 · Chapter 10
10.3 (a) The refractive index of glass is 1.5. What is the speed of light in glass? (Speed of light in vacuum is 3.0 × 108 m s–1) (b) Is the speed of light in glass independent of the colour of light? If not, which of the two colours red and violet travels slower in a glass prism?
12.3 — A Difference Of 2.3 Ev Separates Two Energy Levels In An Atom. What
Physics Class 12 · Chapter 12
12.3 A difference of 2.3 eV separates two energy levels in an atom. What is the frequency of radiation emitted when the atom make a transition from the upper level to the lower level?
📋 Question Details
- Chapter
- EM Waves
- Topic
- Properties of EM Waves
- Year
- 2021
- Shift
- 16 Mar Shift 2
- Q Number
- Q14
- Type
- Conceptual
- NCERT Ref
- Class 12 Physics Ch 8: Electromagnetic Waves
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