Q10.Two light beams of intensities in the ratio of 9 : 4 are allowed to interfere. The ratio of the intensity of maxima and minima will be : (1) 9 : 4 (2) 16 : 81 (3) 25 : 169 (4) 25 : 1
What This Question Tests
This question involves calculating the ratio of maximum to minimum intensities in an interference pattern given the ratio of individual light intensities. It tests knowledge of intensity relationships in interference.
Concepts Tested
Formulas Used
I_max / I_min = ((√I₁ + √I₂) / (√I₁ - √I₂))²
📚 NCERT Sections This Tests
10.5 — In Young’S Double-Slit Experiment Using Monochromatic Light Of
Physics Class 12 · Chapter 10
10.5 In Young’s double-slit experiment using monochromatic light of wavelength l, the intensity of light at a point on the screen where path difference is l, is K units. What is the intensity of light at a point where path difference is l/3?
10.4 — In A Young’S Double-Slit Experiment, The Slits Are Separated By
Physics Class 12 · Chapter 10
10.4 In a Young’s double-slit experiment, the slits are separated by 0.28 mm and the screen is placed 1.4 m away. The distance between the central bright fringe and the fourth bright fringe is measured to be 1.2 cm. Determine the wavelength of light used in the experiment.
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.
📋 Question Details
- Chapter
- Wave Optics
- Topic
- Interference of light waves
- Year
- 2022
- Shift
- 24 Jun Shift 2
- Q Number
- Q10
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 10: Wave Optics
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