MHT CET 2019 3rd May Morning Shift | MHT CET Year Wise Previous Years Questions

A mass is whirled in a circular path with constant angular velocity and its linear velocity is $v$. If the string is now halved keeping the angular momentum same, the linear velocity is

$2 v$

$\frac{v}{2}$

$v$

$v \sqrt{2}$

MHT CET 2019 3rd May Morning Shift

MCQ (Single Correct Answer)

-0

A circular coil and a square coil is prepared from two identical metal wires and a current is passed through it. Ratio of magnetic dipole moment associated with circular coil to that of square coil is

$\frac{2}{\pi}$

$\frac{\pi}{2}$

$\pi$

$\frac{4}{\pi}$

MHT CET 2019 3rd May Morning Shift

MCQ (Single Correct Answer)

-0

In Young's double slit experiment fifth dark fringe is formed opposite to one of the slit. IID is the distance between the slits and the screen and $d$ is the separation between the slits, then the wavelength of light used is

$\frac{d^2}{5 D}$

$\frac{d^2}{9 D}$

$\frac{d^2}{6 D}$

$\frac{d^2}{15 D}$

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