1
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

From a disc of mass '$$M$$' and radius '$$R$$', a circular hole of diameter '$$R$$' is cut whose rim passes through the centre. The moment of inertia of the remaining part of the disc about perpendicular axis passing through the centre is

A
$$\frac{13 \mathrm{MR}^2}{32}$$
B
$$\frac{11 \mathrm{MR}^2}{32}$$
C
$$\frac{9 \mathrm{MR}^2}{32}$$
D
$$\frac{7 \mathrm{MR}^2}{32}$$
2
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If $$p$$-$$n$$ junction diode is in forward bias then

A
width of depletion layer increases
B
electric conduction is not possible at all
C
barrier voltage increases
D
width of depletion layer decreases
3
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The orbital magnetic moment associated with orbiting electron of charge '$$e$$' is

A
inversely proportional to angular momentum
B
directly proportional to mass of electron
C
directly proportional to angular momentum
D
inversely proportional to charge on electron
4
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

An ideal gas expands adiabatically. $$(\gamma=1 \cdot 5)$$ To reduce the r.m.s. velocity of the molecules 3 times, the gas has to be expanded

A
81 times
B
27 times
C
9 times
D
3 times
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