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

A moving body with mass ' $\mathrm{m}_1$ ' strikes a stationary mass ' $\mathrm{m}_2$ '. What should be the ratio $\frac{m_1}{m_2}$ so as to decrease the velocity of first by (1.5) times the velocity after the collision?

A
$1: 25$
B
$1: 5$
C
$5: 1$
D
$25: 1$
2
MHT CET 2024 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The frequency of the third overtone of a pipe of length ' $L_{\mathrm{c}}$ ', closed at one end is same as the frequency of the sixth overtone of a pipe of length ' $L_0$ ', open at both ends. Then the ratio $\mathrm{L}_{\mathrm{c}}: \mathrm{L}_0$ is

A
$1: 4$
B
$1: 2$
C
$2: 1$
D
$4: 1$
3
MHT CET 2024 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

For the following digital logic circuit, the correct truth-table is

MHT CET 2024 11th May Evening Shift Physics - Semiconductor Devices and Logic Gates Question 51 English

A
Q
B
P
C
S
D
R
4
MHT CET 2024 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The ratio of the velocity of sound in hydrogen gas $\left(\gamma=\frac{7}{5}\right)$ to that in helium gas $\left(\gamma=\frac{5}{3}\right)$ at the same temperature is

A
$1: 1$
B
$7: 3$
C
$21: 25$
D
$\sqrt{42}: 5$
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