1
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In a double slit experiment, the distance between slits is increased 10 times, whereas their distance from screen is halved, the fringe width

A
remain the same.
B
becomes $\frac{1}{10}$ times.
C
becomes $\frac{1}{20}$ times.
D
becomes $\frac{1}{90}$ times.
2
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If a transformer of an audio amplifier has output impedance $8000 \Omega$ and the speaker has input impedance $8 \Omega$, the primary and secondary turns of this transformer connected between the output of amplifier and to loudspeaker should have the ratio

A
$1000: 1$
B
$100: 1$
C
$1: 32$
D
$32: 1$
3
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A particle performs linear S.H.M. At a particular instant, velocity of the particle is ' $u$ ' and acceleration is ' $\alpha$ ' while at another instant, velocity is ' $v$ ' and acceleration is ' $\beta$ ' $(0<\alpha<\beta)$. The distance between the two positions is

A
$\frac{u^2-v^2}{\alpha+\beta}$
B
$\frac{u^2+v^2}{\alpha+\beta}$
C
$\frac{u^2-v^2}{\alpha-\beta}$
D
$\frac{u^2+v^2}{\alpha-\beta}$
4
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two uniform strings A and B made of steel are made to vibrate under the same tension. If first overtone of A is equal to the second overtone of $B$ and if the radius of $A$ is twice that of $B$, the ratio of the length of string $B$ to that of $A$ is

A
$1: 2$
B
$4: 3$
C
$2: 3$
D
$3: 1$
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