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The maximum number of possible interference maxima for slit-seperation equal to twice the wavelength, in young’s double slit experiment is
Options
(a) Infinite
(b) five
(c) three
(d) zero
Correct Answer:
five
Explanation:
For interference maxima, d sin θ = nλ
⇒ 2λ sin θ = nλ ⇒ sin θ = n / 2
sin θ can have values between 0 and ±1.
Hence n can be (-2, -1, 0, +1, +2) or five values.
The possible maxima are five.
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A train is moving along a straight path with uniform acceleration
- The energy of groundstate (n=1) of hydrogen level is -13.6 eV. The ionistation
- What is the voltage gain in a common-emiiter amplifier, when input resistance is 4 Ω
- The horizontal range and maximum height attained by a projectile are R and H,respectively
- A meter stick of mass 400 g is pivoted at one end and displaced through an angle 60°.
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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