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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Next quiz today at 20:00 (in 23h 51m)
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✨ Quiz Time! ✨
Answer today's quiz questions and test your knowledge.
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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
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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Q5/10: Assertion (A): Light travels faster in air than in glass. Reason (R): Refractive index of glass is greater than that of air.
Anonymous Quiz
44%
Both A and R are true, R explains A
28%
Both A and R are true, R does not explain A
16%
A is true, R is false
8%
A is false, R is true
4%
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Q6/10: In Young's double-slit experiment, if white light is used instead of monochromatic light, the central fringe will be:
Anonymous Quiz
23%
Dark
58%
White
19%
Red
0%
Blue
0%
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Q7/10: The bending of light around the corners of an obstacle is known as:
Anonymous Quiz
19%
Dispersion
33%
Interference
37%
Diffraction
7%
Polarisation
4%
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Q8/10: To observe significant diffraction, the size of the obstacle or aperture should be:
Anonymous Quiz
19%
Much larger than wavelength
33%
Much smaller than wavelength
29%
Comparable to the wavelength
14%
Infinite
5%
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Q9/10: If the distance between two slits in Young's experiment is halved, the fringe width will:
Anonymous Quiz
18%
Be halved
18%
Remain the same
43%
Double
21%
Quadruple
0%
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Q10/10: A plane wavefront incident on a convex lens emerges as:
Anonymous Quiz
13%
A plane wavefront
13%
A cylindrical wavefront
61%
A spherical converging wavefront
13%
A spherical diverging wavefront
0%
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🎉 Quiz Finished! 🎉
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Next quiz Friday at 20:00
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✨ Quiz Time! ✨
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Q1/10: The minimum energy required to eject an electron from a metal surface is called:
Anonymous Quiz
28%
Kinetic energy
32%
Work function
16%
Ionization energy
20%
Threshold energy
4%
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Q2/10: The work function of a metal primarily depends on:
Anonymous Quiz
35%
Nature of the metal and its surface
27%
Wavelength of incident light
35%
Intensity of incident light
4%
Time of illumination
0%
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Q3/10: According to Einstein's photoelectric equation, the maximum kinetic energy of emitted photoelectrons is:
Anonymous Quiz
36%
h * nu + work function
36%
h * nu - work function
18%
work function - h * nu
9%
h * nu / work function
0%
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