Class 12th physics notes
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✨ Quiz Time! ✨

Answer today's quiz questions and test your knowledge.

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Q1/10: According to Huygens' principle, light is a form of:
Anonymous Quiz
22%
Particle
24%
Ray
45%
Wave
7%
Quantum
Q2/10: In Young's double-slit experiment, the fringe width is mathematically given by:
Anonymous Quiz
20%
lambda * d / D
49%
lambda * D / d
20%
d * D / lambda
10%
lambda / (d * D)
❀1
Q3/10: The phenomenon of interference is based on the principle of conservation of:
Anonymous Quiz
33%
Momentum
56%
Energy
9%
Charge
2%
Mass
Q5/10: What happens to the fringe width if the whole Young's double-slit apparatus is immersed in water?
Anonymous Quiz
19%
It increases
54%
It decreases
16%
It remains same
11%
It becomes zero
Q6/10: In a single slit diffraction experiment, the width of the central maximum is:
Anonymous Quiz
13%
lambda / a
30%
2 * lambda / a
37%
2 * lambda * D / a
17%
lambda * D / a
Q7/10: Assertion (A): Unpolarised light can be polarised by reflection. Reason (R): At Brewster's angle, reflected and refracted rays are perpendicular.
Anonymous Quiz
29%
Both A and R are true, R explains A
33%
Both A and R are true, R does not explain A
29%
A is true, R is false
8%
A is false, R is true
Q8/10: When unpolarised light of intensity I0 passes through an ideal polaroid, the intensity of transmitted light is:
Anonymous Quiz
14%
I0
41%
I0 / 2
21%
I0 / 4
24%
Zero
Q9/10: Which phenomenon proves the transverse nature of light waves?
Anonymous Quiz
21%
Interference
24%
Diffraction
45%
Polarisation
9%
Refraction
Q10/10: In YDSE, if the two slits are illuminated by two independent sodium lamps, what will be observed on the screen?
Anonymous Quiz
13%
Sharp interference fringes
45%
Fringes with poor contrast
35%
General uniform illumination
3%
A single bright line
πŸŽ‰ Quiz Finished! πŸŽ‰

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✨ Quiz Time! ✨

Answer today's quiz questions and test your knowledge.

Every question is a step toward exam success!

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Good luck!
Q1/10: According to Malus's Law, if the angle between the polariser and analyser is 60 degrees, the transmitted intensity is:
Anonymous Quiz
25%
I0 / 2
44%
I0 / 4
25%
3 * I0 / 4
6%
I0
Q2/10: If the phase difference between two interfering waves is 3 * pi, the path difference will be:
Anonymous Quiz
6%
lambda
65%
3 * lambda / 2
24%
2 * lambda
6%
5 * lambda / 2
Q3/10: For constructive interference, the path difference between two waves should be:
Anonymous Quiz
0%
Odd multiple of lambda / 2
71%
Even multiple of lambda / 2
24%
Odd multiple of lambda / 4
0%
Even multiple of lambda / 4