Q67.Wavelength of light used in an optical instrument are λ1 = 4000Å and λ2 = 5000Å, then ratio of their respective resolving powers (corresponding to λ1 and λ2 ) is (1) 16 : 25 (2) 9 : 1 (3) 4 : 5 (4) 5 : 4
What This Question Tests
Tests the understanding and application of the inverse relationship between the resolving power of an optical instrument and the wavelength of light used.
Concepts Tested
Formulas Used
R ∝ 1/λ
📚 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
- Wave Optics
- Topic
- Resolving power of optical instruments
- Year
- 2002
- Shift
- Unknown
- Q Number
- Q67
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 10: Wave Optics
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