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

When light enters glass from vacuum, then the wavelength of light

decreases

becomes zero

remains same

increases

MHT CET 2019 2nd May Evening Shift

MCQ (Single Correct Answer)

-0

Which one of the following statement is correct?

Surface energy is potential energy per unit length

Surface tension is work done per unit area

Surface tension is work done per unit length

Surface energy is work done per unit force

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)

-0

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

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

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

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

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

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