1
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two sound waves having same amplitude ' $A$ ' and angular frequency ' $\omega$ ' but having a phase difference of $\left(\frac{\pi}{2}\right)^c$ are superimposed then the maximum amplitude of the resultant wave is

A
$\frac{\mathrm{A}}{\sqrt{2}}$
B
$\frac{\mathrm{A}}{2}$
C
$\sqrt{2} \mathrm{~A}$
D
$\mathrm{2 A}$
2
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Out of the following musical instruments, which is 'NOT' a percussion instrument?

A
Daphali
B
Sambal
C
Cymbals
D
Clarinet
3
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

When the tension in string is increased by $3 \mathrm{~kg} \omega \mathrm{t}$, the frequency of the fundamental mode increases in the ratio $2: 3$. The initial tension in the string is

A
$1.6 \mathrm{~kg} \omega \mathrm{t}$
B
$2.0 \mathrm{~kg} \omega \mathrm{t}$
C
$2.4 \mathrm{~kg} \omega \mathrm{t}$
D
$2.8 \mathrm{~kg} \omega \mathrm{t}$
4
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A sonometer wire is stretched by hanging a metal bob, the fundamental frequency of the wire is ' $n_1$ '. When the bob is completely immersed in water, the frequency of vibration of wire becomes ' $n_2$ '. The relative density of the metal of the bob is

A
$\frac{\mathrm{n}_1-\mathrm{n}_2}{\mathrm{n}_1}$
B
$\frac{\mathrm{n}_2}{\mathrm{n}_1-\mathrm{n}_2}$
C
$\frac{\mathrm{n}_1^2}{\mathrm{n}_1^2-\mathrm{n}_2^2}$
D
$\frac{\mathrm{n}_2^2}{\mathrm{n}_1^2-\mathrm{n}_2^2}$
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