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

MHT CET 2019 2nd May Evening Shift

MCQ (Single Correct Answer)

-0

What is the minimum energy required to launch a satellite of mass ' $m$ ' from the surface of the earth of mass ' $M$ ' and radius ' $R$ ' at an altitude $2 R$ ?

$\frac{G M m}{2 R}$

$\frac{2 G M m}{3 R}$

$\frac{G M m}{3 R}$

$\frac{5 G M m}{6 R}$

MHT CET 2019 2nd May Evening Shift

MCQ (Single Correct Answer)

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A wire of length ' $L$ ' and area of cross section ' $A$ ' is made of material of Young's modulus ' $r$. It is stretched by an amount ' $x$ '. The work done in stretching the wire is

$\frac{Y x^2 A}{2 L}$

$\frac{2 Y x^2 A}{L}$

$\frac{Y \times A}{2 L}$

$\frac{Y x^2 A}{2}$

MHT CET 2019 2nd May Evening Shift

MCQ (Single Correct Answer)

-0

In a parallel plate air capacitor the distance between plates is reduced to one fourth and the space between them is filled with a dielectric medium of constant 2 . If the initial capacity of the capacitor is $4 \mu \mathrm{~F}$. then its new capacity is

$32 \mu \mathrm{~F}$

$18 \mu \mathrm{~F}$

$8 \mu \mathrm{~F}$

$44 \mu \mathrm{~F}$

MHT CET 2019 2nd May Evening Shift

MCQ (Single Correct Answer)

-0

An aircraft is moving with uniform velocity $150 \mathrm{~m} / \mathrm{s}$ in the space. If all the forces acting on it are balanced, then it will

keep moving with same velocity

remain floating at its place

escape in space

fall down on earth