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In a diffraction pattern due to a singleslit of width a, the first minimum is observed at an angle 30⁰ when light of wavelength 5000Å is incident on the slit. The first secondary maximum is observed at an angle of
Options
(a) sin⁻¹(2/3)
(b) sin⁻¹(1/2)
(c) sin⁻¹(3/4)
(d) sin⁻¹(1/4)
Correct Answer:
sin⁻¹(3/4)
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - Source S₁ is producing, 10¹⁵ photons per second of wavelength 5000Å
- Two lenses of power 15 D and -3 D are placed in contact.
- A moving coil galvanometer of resistance 100 Ω is converted to ammeter by a resistance
- If the minimum energy of photons needed to produce photoelectrons is 3 eV,
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Source S₁ is producing, 10¹⁵ photons per second of wavelength 5000Å
- Two lenses of power 15 D and -3 D are placed in contact.
- A moving coil galvanometer of resistance 100 Ω is converted to ammeter by a resistance
- If the minimum energy of photons needed to produce photoelectrons is 3 eV,
- The ionisation energy of an electron in the ground state of helium atom is 24.6 eV.
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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