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

For an ideal gas, $$R=\frac{2}{3} C_v$$. This suggests that the gas consists of molecules, which are [$$\mathrm{R}=$$ universal gas constant]

A
polyatomic
B
diatomic
C
monoatomic
D
a mixture of diatomic and polyatomic molecules
2
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

For a two input AND gate, the four entries are shown in the truth table. Identify the correct ones out of these $$(\mathrm{A}, \mathrm{B}=$$ input, $$\mathrm{Y}=$$ output)

Entry A B Y
1 0 1 0
2 1 0 0
3 1 1 1
4 0 0 1

A
1 and 2 only
B
1, 2 and 3 only
C
1, 3 and 4 only
D
2 and 4 only
3
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

A projectile is thrown with an initial velocity $$(a \hat{i}+b \hat{j}) \mathrm{m} / \mathrm{s}$$, where $$\hat{i}$$ and $$\hat{j}$$ are unit vectors along horizontal and vertical directions respectively. If the range of the projectile is twice the maximum height reached by it, then

A
$$\mathrm{b}=2 \mathrm{a}$$
B
$$\mathrm{b}=4 \mathrm{a}$$
C
$$\mathrm{b=\frac{a}{2}}$$
D
$$\mathrm{b}=\mathrm{a}$$
4
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

To determine the internal resistance of a cell by using a potentiometer, the null point is at $$1 \mathrm{~m}$$ when shunted by $$3 \Omega$$ resistance and at a length $$1.5 \mathrm{~m}$$, when cell is shunted by $$6 \Omega$$ resistance The internal resistance of the cell is

A
$$1 \Omega$$
B
$$4 \Omega$$
C
$$2 \Omega$$
D
$$6 \Omega$$
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