1
MHT CET 2025 20th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

An achromatic convergent doublet of two lenses in contact has a power +2 D . The convex lens has power +5 D . The ratio of the dispersive powers of the convergent and divergent lenses is (in magnitude)

A
$3: 5$
B
$2: 5$
C
$4: 5$
D
$5: 6$
2
MHT CET 2025 20th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two bar magnets A and B are geometrically similar but the magnetic moment of $A$ is twice that of $B$. $T_1$ is the time period of oscillation when their like poles are kept together. When unlike poles are kept together, the time period of oscillation is $T_2$. The ratio $T_1: T_2$ will be

A
$1: 3$
B
$1: 2$
C
$1: \sqrt{3}$
D
$\sqrt{3}: 1$
3
MHT CET 2025 20th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
A particle executes a linear S.H.M. In two of its positions the velocities are $\mathrm{V}_1, \mathrm{~V}_2$ and accelerations are $\mathrm{a}_1$ and $\mathrm{a}_2$ respectively $\left(0
A
$\frac{V_1^2-V_2^2}{a_1-a_2}$
B
$\frac{V_2^2-V_1^2}{a_1-a_2}$
C
$\frac{V_1^2-V_2^2}{a_1+a_2}$
D
$\frac{v_2^2-v_1^2}{\left(a_1^2+a_2^2\right)}$
4
MHT CET 2025 20th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

An ideal transformer converts 220 a.c. to 3.3 kV a.c. to transmit a power of 4.4 kW . If primary coil has 600 turns then alternating current in secondary coil is

A
$\frac{5}{3} \mathrm{~A}$
B
$\frac{1}{4} \mathrm{~A}$
C
$\frac{4}{3} \mathrm{~A}$
D
$\frac{2}{3} \mathrm{~A}$
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