1
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-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

A
$80 \mathrm{~cm}, 60 \mathrm{~cm}, 120 \mathrm{~cm}$
B
  $120 \mathrm{~cm}, 80 \mathrm{~cm}, 60 \mathrm{~cm}$
C
$60 \mathrm{~cm}, 80 \mathrm{~cm}, 120 \mathrm{~cm}$
D
$120 \mathrm{~cm}, 60 \mathrm{~cm}, 80 \mathrm{~cm}$
2
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-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

A
$\left[\mathrm{L}^{-\frac{1}{2}} \mathrm{M}^{\frac{3}{2}} \mathrm{~T}^{-2}\right]$
B
$\left[L^{-1} M^{\frac{1}{2}} T^{-2}\right]$
C
$\left[L^{-1} M^{\frac{3}{2}} T^{-2}\right]$
D
$\left[\mathrm{L}^{-\frac{1}{2}} \mathrm{M}^{\frac{1}{2}} \mathrm{~T}^{-2}\right]$
3
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The magnetization of bar magnet of length 5 cm , cross sectional area $2 \mathrm{~cm}^2$ and net magnetic moment $1 \mathrm{Am}^2$ is

A
$3 \times 10^5 \mathrm{~A} / \mathrm{m}$
B
$4 \times 10^5 \mathrm{~A} / \mathrm{m}$
C
$2 \times 10^5 \mathrm{~A} / \mathrm{m}$
D
$1 \times 10^5 \mathrm{~A} / \mathrm{m}$
4
MHT CET 2019 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The dimensions of self or mutual inductance are given as

A
$\left[L^{-2} M^1 T^{-2} I^{-2}\right]$
B
$\left[L^2 M^2 T^{-2} I^{-2}\right]$
C
$\left[\left.L^2 M^1 T^{-2}\right|^{-2}\right]$
D
$\left[L^2 M^2 T^{-2} I^{-2}\right]$
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