MHT CET 2019 2nd May Morning Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2019 2nd May Morning Shift

MCQ (Single Correct Answer)

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The equation of simple harmonic progressive wave is given by $Y=a \sin 2 \pi(b t-c x)$. The maximum particle velocity will be twice the wave velocity if

$c=\pi a$

$c=\frac{1}{2 \pi a}$

$c=\frac{1}{\pi a}$

$c=2 \pi a$

MHT CET 2019 2nd May Morning Shift

MCQ (Single Correct Answer)

-0

In a fundamental mode,the time required for the sound wave to reach upto the closed end of a pipe filled with air is ' $t$ ' second. The frequency of vibration of air column is

$(2 t)^{-1}$

$4(t)^{-1}$

$2(t)^{-1}$

$(4 t)^{-1}$

MHT CET 2019 2nd May Morning Shift

MCQ (Single Correct Answer)

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Two small drops of mercury each of radius ' $R$ ' coalesce to form a large single drop. The ratio of the total surface energies before and after the change is

$2^{2 / 3}: 1$

$\sqrt{2}: 1$

$2^{1 / 3}: 1$

$2: 1$

MHT CET 2019 2nd May Morning Shift

MCQ (Single Correct Answer)

-0

If radius of the solid sphere is doubled by keeping its mass constant, the ratio of their moment of inertia about any of its diameter is

$1: 8$

$2: 5$

$2: 3$

$1: 4$