MHT CET 2023 14th May Morning Shift | MHT CET Year Wise Previous Years Questions

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

$$210 \mathrm{~Hz}$$

$$180 \mathrm{~Hz}$$

$$105 \mathrm{~Hz}$$

$$1050 \mathrm{~Hz}$$

MHT CET 2023 14th May Morning Shift

MCQ (Single Correct Answer)

-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

$$\frac{\mathrm{M} \pi}{4 \mathrm{I}}$$

$$\left[\frac{4 \pi I}{M}\right]^{\frac{1}{2}}$$

$$\left[\frac{4 \mathrm{M} \pi}{\mathrm{I}}\right]^{\frac{1}{2}}$$

$$4 \pi \mathrm{MI}$$

MHT CET 2023 14th May Morning Shift

MCQ (Single Correct Answer)

-0

The diffraction fringes obtained by a single slit are of

equal width

equal width and unequal intensity

unequal width but equal intensity

unequal width and unequal intensity