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

A body of mass '$$\mathrm{m}$$' kg starts falling from a distance 3R above earth's surface. When it reaches a distance '$$R$$' above the surface of the earth of radius '$$R$$' and Mass '$$M$$', then its kinetic energy is

A
$$\frac{2}{3} \frac{\mathrm{GMm}}{\mathrm{R}}$$
B
$$\frac{1}{3} \frac{\mathrm{GMm}}{\mathrm{R}}$$
C
$$\frac{1}{2} \frac{\mathrm{GMm}}{\mathrm{R}}$$
D
$$\frac{1}{4} \frac{\mathrm{GMm}}{\mathrm{R}}$$
2
MHT CET 2023 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In the case of NAND gate, if A and B are the inputs and $$\mathrm{Y}$$ is the output then

A
$$\mathrm{Y}=\mathrm{A} \cdot \mathrm{B}$$
B
$$\mathrm{Y}=\overline{\mathrm{A}-\mathrm{B}}$$
C
$$\mathrm{Y}=\overline{\mathrm{A}+\mathrm{B}}$$
D
$$\mathrm{Y}=\overline{\mathrm{A} \cdot \mathrm{B}}$$
3
MHT CET 2023 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A monoatomic gas at pressure '$$\mathrm{P}$$', having volume '$$\mathrm{V}$$' expands isothermally to a volume '$$2 \mathrm{~V}$$' and then adiabatically to a volume '$$16 \mathrm{~V}$$'. The final pressure of the gas is (Take $$\gamma=5 / 3$$ )

A
$$\mathrm{P} / 64$$
B
$$\mathrm{P} / 32$$
C
$$16 \mathrm{P}$$
D
$$32 \mathrm{P}$$
4
MHT CET 2023 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In potentiometer experiments, two cells of e. m. f. '$$E_1$$' and '$$E_2$$' are connected in series $$\left(E_1>E_2\right)$$, the balancing length is $$64 \mathrm{~cm}$$ of the wire. If the polarity of $$E_2$$ is reversed, the balancing length becomes $$32 \mathrm{~cm}$$. The ratio $$\mathrm{E}_1 / \mathrm{E}_2$$ is

A
$$3: 2$$
B
$$2: 3$$
C
$$1: 3$$
D
$$3: 1$$
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