1
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

LC series resonant circuit produces resonant frequency ' $f$ '. If ' $L$ ' is tripled and ' $C$ ' is increased by $3 C$, the resonant frequency will be

A
$\frac{\mathrm{f}}{3}$
B
$\frac{\mathrm{f}}{2 \sqrt{3}}$
C
$\mathrm{6 f}$
D
$\frac{\mathrm{f}}{2 \sqrt{2}}$
2
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A wavefront is a surface

A
perpendicular to the direction of propagation of light.
B
parallel to the direction of propagation of light.
C
without any specific orientation with direction of propagation of light.
D
which has nothing to do with intensity of light.
3
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

When the tension in string is increased by $3 \mathrm{~kg} \omega \mathrm{t}$, the frequency of the fundamental mode increases in the ratio $2: 3$. The initial tension in the string is

A
$1.6 \mathrm{~kg} \omega \mathrm{t}$
B
$2.0 \mathrm{~kg} \omega \mathrm{t}$
C
$2.4 \mathrm{~kg} \omega \mathrm{t}$
D
$2.8 \mathrm{~kg} \omega \mathrm{t}$
4
MHT CET 2024 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In the system of two particles of masses ' $\mathrm{m}_1$ ' and ' $\mathrm{m}_2$ ', the first particle is moved by a distance 'd' towards the centre of mass. To keep the centre of mass unchanged, the second particle will have to be moved by a distance

A
$\frac{\mathrm{m}_2}{\mathrm{~m}_1} \mathrm{~d}$, towards the centre of mass.
B
$\frac{\mathrm{m}_1}{\mathrm{~m}_2} \mathrm{~d}$, away from the centre of mass.
C
$\frac{\mathrm{m}_1}{\mathrm{~m}_2} \mathrm{~d}$, towards the centre of mass.
D
$\frac{\mathrm{m}_2}{\mathrm{~m}_1} \mathrm{~d}$, away from the centre of mass.
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