1
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The Boolean expression for $\mathrm{X}-\mathrm{OR}$ gate $C=(A \oplus B)$ is equivalent to

A
$(\overline{\mathrm{A}} \cdot \mathrm{B})+(\mathrm{A} \cdot \overline{\mathrm{B}})$
B
$\mathrm{A}+(\overline{\mathrm{A}} \cdot \overline{\mathrm{B}})$
C
$(\mathrm{A} \cdot \mathrm{B})+\overline{\mathrm{B}}$
D
$(\mathrm{A} \cdot \mathrm{B})+(\overline{\mathrm{A}} \cdot \overline{\mathrm{B}})$
2
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The equation of simple harmonic progressive wave is given by $y=A \sin (100 \pi t-4 x)$. The distance between two particles having a phase difference of $\left(\frac{\pi}{4}\right)^c$ is

A
$\frac{\pi}{18} \mathrm{~m}$
B
$\frac{\pi}{16} \mathrm{~m}$
C
$\frac{\pi}{9} \mathrm{~m}$
D
$\frac{\pi}{3} \mathrm{~m}$
3
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

A photon and an electron have an equal energy ' E '. The ratio of wavelength ' $\lambda_{\mathrm{p}}$ ' of photon to that of electron ' $\lambda_{\mathrm{e}}$ ' is proportional to

A
$\sqrt{\mathrm{E}}$
B
$\frac{1}{\sqrt{\mathrm{E}}}$
C
$\frac{1}{E}$
D
E
4
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The height at which the acceleration due to gravity becomes $\frac{g}{4}$ in terms of $R$ is $[R=$ the radius of the earth $]$

A
$\frac{R}{\sqrt{2}}$
B
R
C
$\sqrt{2} R$
D
$2 R$
EXAM MAP