1
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In a single slit experiment, the width of the slit is doubled. Which one of the following statements is correct?

A
The intensity and width of the central maximum are unaffected.
B
The intensity remains same and angular width becomes half.
C
The intensity and angular width both are doubled.
D
The intensity increases by a factor 4 and the angular width decreases by a factor of $$\frac{1}{2}$$.
2
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The rays of different colours fail to converge at a point after passing through a thick converging lens. This defect is called

A
spherical aberration
B
distortion
C
coma
D
chromatic aberration
3
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two coherent sources of wavelength '$$\lambda$$' produce steady interference pattern. The path difference corresponding to 10$$^{th}$$ order maximum will be

A
9.5 $$\lambda$$
B
10.5 $$\lambda$$
C
9 $$\lambda$$
D
10 $$\lambda$$
4
MHT CET 2021 21th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

In Young's experiment, fringes are obtained on a screen placed at a distance $$75 \mathrm{~cm}$$ from the slits. When the separation between two narrow slits is doubled, then the fringe width is decreased. In order to obtain the initial fringe width, the screen should be moved through.

A
$$150 \mathrm{~cm}$$ away from the slits.
B
$$75 \mathrm{~cm}$$ towards the slits.
C
$$75 \mathrm{~cm}$$ away from slits.
D
$$150 \mathrm{~cm}$$ towards the slits.
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