Wave Optics — Hard Difficulty (45 minutes, 50 Questions)

Practice 100 questions on Wave Optics — Hard Difficulty (45 minutes, 50 Questions). Includes: In YDSE ($\lambda = 600\,\text{nm}$, $d =…; Unpolarized light $I_0$ passes through polaroids P1,…; A glass slab ($n = 1.5$, thickness $= t$) is placed in…. Free quiz on NoteTube.

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1.
In YDSE ($\lambda = 600\,\text{nm}$, $d = 0.5\,\text{mm}$, $D = 1\,\text{m}$), the intensity at $y = 0.3\,\text{mm}$ from center expressed as a fraction of $I_\text{max}$ is:
2.
Unpolarized light $I_0$ passes through polaroids P1, P2, P3 where P2 is at 45° to P1 and P3 is at 90° to P1. What fraction of $I_0$ emerges after P3?
3.
Sodium light (doublet $\lambda_1 = 589\,\text{nm}$, $\lambda_2 = 589.6\,\text{nm}$) is used in YDSE. The highest order at which fringes disappear is approximately:
4.
In YDSE, $I_\text{max}/I_\text{min} = 9$. The ratio of slit widths $w_1:w_2$ is:
5.
A glass slab ($n = 1.5$, thickness $= t$) is placed in front of one slit in YDSE. The central fringe shifts by 5 fringe widths. If $\lambda = 600\,\text{nm}$, find $t$:

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