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

A gas at N.T.P. is suddenly compressed to $$\left(\frac{1}{4}\right)^{\text {th }}$$ of its original volume. The final pressure in (Given $$\gamma=$$ ratio of sp. heats $$=\frac{3}{2}$$ ) atmosphere is ( $$\mathrm{P}=$$ original pressure)

A
$$4 \mathrm{P}$$
B
$$\frac{3}{2} \mathrm{P}$$
C
$$8 \mathrm{P}$$
D
$$\frac{1}{4} \mathrm{P}$$
3
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The excess of pressure in a first soap bubble is three times that of other soap bubble. Then the ratio of the volume of first bubble to other is

A
$$1: 3$$
B
$$27: 1$$
C
$$1: 9$$
D
$$1: 27$$
4
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In a meter bridge experiment null point is obtained at $$l \mathrm{~cm}$$ from the left end. If the meter bridge wire is replaced by a wire of same material but twice the area of across-section, then the null point is obtained at a distance

A
$$2 l \mathrm{~cm}$$ from left end.
B
$$l \mathrm{~cm}$$ from left end.
C
$$ l / 2 \mathrm{~cm}$$ from left end.
D
$$ l / 4 \mathrm{~cm}$$ from left end.
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