1
MHT CET 2023 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A string is stretched between two rigid supports separated by $$75 \mathrm{~cm}$$. There are no resonant frequencies between $$420 \mathrm{~Hz}$$ and $$315 \mathrm{~Hz}$$. The lowest resonant frequency for the string is

A
$$210 \mathrm{~Hz}$$
B
$$180 \mathrm{~Hz}$$
C
$$105 \mathrm{~Hz}$$
D
$$1050 \mathrm{~Hz}$$
2
MHT CET 2023 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A straight wire carrying a current (I) is turned into a circular loop. If the magnitude of the magnetic moment associated with it is '$$M$$', then the length of the wire will be

A
$$\frac{\mathrm{M} \pi}{4 \mathrm{I}}$$
B
$$\left[\frac{4 \pi I}{M}\right]^{\frac{1}{2}}$$
C
$$\left[\frac{4 \mathrm{M} \pi}{\mathrm{I}}\right]^{\frac{1}{2}}$$
D
$$4 \pi \mathrm{MI}$$
3
MHT CET 2023 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The diffraction fringes obtained by a single slit are of

A
equal width
B
equal width and unequal intensity
C
unequal width but equal intensity
D
unequal width and unequal intensity
4
MHT CET 2023 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A particle moves around a circular path of radius '$$r$$' with uniform speed '$$V$$'. After moving half the circle, the average acceleration of the particle is

A
$$\frac{\mathrm{V}^2}{\mathrm{r}}$$
B
$$\frac{2 V^2}{r}$$
C
$$\frac{2 V^2}{\pi r}$$
D
$$\frac{\mathrm{V}^2}{\pi \mathrm{r}}$$
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