Q16.In young's double slit experiment, the fringe width is 12 mm. If the entire arrangement is placed in water of refractive index 4 , then the fringe width becomes (in mm) 3 (1) 16 (2) 9 (3) 48 (4) 12
What This Question Tests
This question tests the understanding of the relationship between the amplitudes of electric and magnetic fields in an EM wave, and the perpendicularity of E, B, and the direction of wave propagation.
Concepts Tested
Formulas Used
E₀ = cB₀
Direction of propagation is E x B
📚 NCERT Sections This Tests
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.
10.5 — 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?
10.1 — 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
- EM Waves
- Topic
- Properties of EM Waves
- Year
- 2022
- Shift
- 26 Jul Shift 1
- Q Number
- Q16
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 8: Electromagnetic Waves
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