1
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

An ideal gas at pressure '$$p$$' is adiabatically compressed so that its density becomes twice that of the initial. If $$\gamma=\frac{c_p}{c_v}=\frac{7}{5}$$, then final pressure of the gas is

A
p
B
2p
C
$$\frac{7}{5}$$p
D
2.63p
2
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

In common emitter amplifier, a change of 0.2 mA in the base current causes a change of 5 mA in the collector current. If input resistance is 2 k$$\Omega$$ and voltage gain is 75, the load resistance used in the circuit is

A
8 k$$\Omega$$
B
4 k$$\Omega$$
C
12 k$$\Omega$$
D
6 k$$\Omega$$
3
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

MHT CET 2021 23th September Morning Shift Physics - Rotational Motion Question 64 English

Figure shows triangular lamina which can rotate about different axes moment of inertia is maximum, about the axis

A
PR
B
QS
C
QR
D
PQ
4
MHT CET 2021 23th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following statements is wrong for an isobaric process?

A
The pressure of the system remains constant
B
There is change in volume, when work is done
C
Temperature of the system remains constant
D
Energy exchanged is used to do work to change internal energy
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