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Class 12 Physics — Chapter 10: Wave Optics
90 practice questions · 30 Easy · 30 Medium · 30 Hard
Free NCERT-aligned multiple-choice practice for Class 12 Physics, Chapter 10 (Wave Optics). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 90.
Sample questions
Q1Easy
Young's experiment demonstrates:
A.Interference of light✓ correct
B.Reflection only
C.Refraction only
D.Photoelectric effect
Why
Two-slit interference pattern.
Q2Medium
Fringe width β =
A.λD/d✓ correct
B.d/λD
C.λ/d
D.λD
Why
D = screen distance, d = slit sep.
Q3Hard
Single-slit diffraction first minimum:
A.a sinθ = λ✓ correct
B.a sinθ = nλ/2
C.a = λ
D.sinθ = a
Why
n=1 minimum condition.
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