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

A sonometer wire is in unison with a tuning fork of frequency ' $n$ ' when it is stretched by a weight of specific gravity ' $d$ '. When the weight is completely immersed in water, ' $x$ ' beats are produced per second, then

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

The equations of two waves are given as

$$\begin{aligned} & y_1=a \sin \left(\omega t+\phi_1\right) \\ & y_2=a \sin \left(\omega t+\phi_2\right) \end{aligned}$$

If amplitude and time period of resultant wave is same as the individual waves, then $\left(\phi_1-\phi_2\right)$ is

A
$\cos ^{-1}\left(\frac{-1}{2}\right)$
B
$\cos ^{-1}\left(\frac{-1}{4}\right)$
C
$\cos ^{-1}\left(-\frac{1}{6}\right)$
D
$\cos ^{-1}\left(-\frac{1}{8}\right)$
3
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
$\mathrm{2 A}$
4
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
MHT CET Subjects
EXAM MAP