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UPSC Exam crack karne ka Target 2027 ka set karu ya 2028 set karu..
Is confusion ya doubt ke sare answer 15th April ko PW apne UPSC Wallah channel par leke aah rha hai.
UPSC Exam crack karne ka Target 2027 ka set karu ya 2028 set karu..
Is confusion ya doubt ke sare answer 15th April ko PW apne UPSC Wallah channel par leke aah rha hai.
YouTube
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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!
Answer today's quiz questions and test your knowledge.
Every question is a step toward exam success!
FREE Premium PDFs Available Here: acadpills.com/premium
Good luck!
Q1/10: According to Huygens' principle, light is a form of:
Anonymous Quiz
22%
Particle
24%
Ray
45%
Wave
7%
Quantum
2%
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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)
2%
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❤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
0%
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Q4/10: Two coherent sources must have:
Anonymous Quiz
11%
Same amplitude
34%
Same intensity
48%
Constant phase difference
7%
Different frequencies
0%
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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
0%
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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
3%
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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
0%
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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
0%
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Q9/10: Which phenomenon proves the transverse nature of light waves?
Anonymous Quiz
21%
Interference
24%
Diffraction
45%
Polarisation
9%
Refraction
0%
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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
3%
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🎉 Quiz Finished! 🎉
Thank you for participating.
Keep learning, keep growing, and come back tomorrow for more questions!
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Next quiz today at 20:00 (in 23h 51m)
Thank you for participating.
Keep learning, keep growing, and come back tomorrow for more questions!
Free Premium PDFs: acadpills.com/premium
Next quiz today at 20:00 (in 23h 51m)
✨ Quiz Time! ✨
Answer today's quiz questions and test your knowledge.
Every question is a step toward exam success!
FREE Premium PDFs Available Here: acadpills.com/premium
Good luck!
Answer today's quiz questions and test your knowledge.
Every question is a step toward exam success!
FREE Premium PDFs Available Here: acadpills.com/premium
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
0%
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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
0%
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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
6%
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Q4/10: The continuous locus of all particles of a medium vibrating in the same phase is called:
Anonymous Quiz
13%
Wavelet
61%
Wavefront
0%
Ray
22%
Quantum
4%
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