MHT CET 2024 4th May Evening Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2024 4th May Evening Shift

MCQ (Single Correct Answer)

-0

A water film is formed between two parallel wires of 10 cm length. The distance of 0.5 cm between the wires is increased by 1 mm . The work done in the process is (surface tension of water $=72 \mathrm{~N} / \mathrm{m}$)

$2.88 \times 10^{-2} \mathrm{~J}$

$7.2 \times 10^{-2} \mathrm{~J}$

$1.44 \times 10^{-2} \mathrm{~J}$

$3.6 \times 10^{-2} \mathrm{~J}$

MHT CET 2024 4th May Evening Shift

MCQ (Single Correct Answer)

-0

A coil of self inductance L is connected in series with a bulb B and an a.c. source. Brightness of the bulb decreases when

frequency of a.c. source is decreased.

number of turns in the coil is reduced.

a capacitance of reactance $\left(\mathrm{X}_{\mathrm{L}}-\mathrm{X}_{\mathrm{C}}\right)$ is included in the same circuit.

an iron rod is inserted in the coil.

MHT CET 2024 4th May Evening Shift

MCQ (Single Correct Answer)

-0

A transverse wave travelling along a stretched string has a speed of $30 \mathrm{~m} / \mathrm{s}$ and a frequency of 250 Hz . The phase difference between two points on the string 10 cm apart at the same instant is

$0^c$

$\left(\frac{\pi}{2}\right)^c$

$\left(\frac{5 \pi}{3}\right)^c$

$\left(\frac{8 \pi}{3}\right)^c$

MHT CET 2024 4th May Evening Shift

MCQ (Single Correct Answer)

-0

A lead bullet moving with velocity ' $v$ ' strikes a wall and stops. If $50 \%$ of its energy is converted into heat, then the increase in temperature is ( $s=$ specific heat of lead)

$\frac{\mathrm{v}^2 \mathrm{~s}}{2 \mathrm{~J}}$

$\frac{v^2}{4 \mathrm{Js}}$

$\frac{\mathrm{v}^2 \mathrm{~s}}{\mathrm{~J}}$

$\frac{2 v^2}{\mathrm{Js}}$

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