1
MHT CET 2024 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The magnetic flux near the axis and inside the air core solenoid of length 80 cm carrying current ' I ' is $1.57 \times 10^{-6} \mathrm{~Wb}$. Its magnetic moment will be [cross-sectional area of a solenoid is very small as compared to its length, $\mu_0=4 \pi \times 10^{-7}$ SI unit $](\pi=3.14)$

A
$0.25 \mathrm{~Am}^2$
B
$0.50 \mathrm{~Am}^2$
C
$1 \mathrm{~Am}^2$
D
$1.2 \mathrm{~Am}^2$
2
MHT CET 2024 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two identical light waves having phase difference $\phi$ propagate in same direction. When they superpose, the intensity of resultant wave is proportional to

A
$\cos ^2\left(\frac{\phi}{4}\right)$
B
$\cos ^2\left(\frac{\phi}{3}\right)$
C
$\cos ^2\left(\frac{\phi}{2}\right)$
D
$\cos ^2 \phi$
3
MHT CET 2024 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two gases A and B having same initial state ( $\mathrm{P}, \mathrm{V}, \mathrm{n}, \mathrm{T}$ ). Now gas A is compressed to $\frac{\mathrm{V}}{8}$ by isothermal process and other gas B is compressed to $\frac{\mathrm{V}}{8}$ by adiabatic process. The ratio of final pressure of gas $A$ and $B$ is (Both gases are monoatomic, $\gamma=5 / 3$)

A
$\frac{1}{8}$
B
$\frac{1}{4}$
C
$\frac{1}{64}$
D
$\frac{1}{12}$
4
MHT CET 2024 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

If ' $\mathrm{n}_{\mathrm{c}}$ ' and ' $\mathrm{n}_{\mathrm{h}}$ ' are the number of electrons and number of holes respectively in a semiconductor heavily doped with phosphorous then

A
$\mathrm{n}_{\mathrm{e}} \gg \mathrm{n}_{\mathrm{h}}$
B
$\mathrm{n}_{\mathrm{e}} \ll<\mathrm{n}_{\mathrm{h}}$
C
$\mathrm{n}_{\mathrm{e}} \leqslant \mathrm{n}_{\mathrm{h}}$
D
$\mathrm{n}_{\mathrm{e}}=\mathrm{n}_{\mathrm{h}}$
MHT CET Papers
EXAM MAP