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

In the study of transistor as an amplifier, the ratio of collector current to emitter current is 0.98 then the ratio of collector current to base current will be

MHT CET 2019 2nd May Evening Shift

MCQ (Single Correct Answer)

-0

A stretched wire of length 260 cm is set into vibrations. It is divided into three segments whose frequencies are in the ratio $2: 3: 4$. Their lengths must be

$80 \mathrm{~cm}, 60 \mathrm{~cm}, 120 \mathrm{~cm}$

$120 \mathrm{~cm}, 80 \mathrm{~cm}, 60 \mathrm{~cm}$

$60 \mathrm{~cm}, 80 \mathrm{~cm}, 120 \mathrm{~cm}$

$120 \mathrm{~cm}, 60 \mathrm{~cm}, 80 \mathrm{~cm}$

MHT CET 2019 2nd May Evening Shift

MCQ (Single Correct Answer)

-0

The force ' $F$ ' acting on a body of density ' $d$ ' are related by the relation $F=\frac{y}{\sqrt{d}}$. The dimensions of ' $y$ ' are

$\left[\mathrm{L}^{-\frac{1}{2}} \mathrm{M}^{\frac{3}{2}} \mathrm{~T}^{-2}\right]$

$\left[L^{-1} M^{\frac{1}{2}} T^{-2}\right]$

$\left[L^{-1} M^{\frac{3}{2}} T^{-2}\right]$

$\left[\mathrm{L}^{-\frac{1}{2}} \mathrm{M}^{\frac{1}{2}} \mathrm{~T}^{-2}\right]$