MHT CET 2023 12th May Evening Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2023 12th May Evening Shift

MCQ (Single Correct Answer)

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End correction at open end for air column in a pipe of length '$$l$$' is '$$e$$'. For its second overtone of an open pipe, the wavelength of the wave is

$$\frac{2(l+\mathrm{e})}{3}$$

$$\frac{2(l+2 \mathrm{e})}{3}$$

$$\frac{4(l+e)}{5}$$

$$\frac{4(l+2 \mathrm{e})}{5}$$

MHT CET 2023 12th May Evening Shift

MCQ (Single Correct Answer)

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In a stationary lift, time period of a simple pendulum is '$$\mathrm{T}$$'. The lift starts accelerating downwards with acceleration $$\left(\frac{\mathrm{g}}{4}\right)$$, then the time period of the pendulum will be

$$\frac{\sqrt{3}}{2} \mathrm{~T}$$

$$\frac{2}{\sqrt{3}} \mathrm{~T}$$

$$\frac{3}{4} \mathrm{~T}$$

$$\frac{4}{3} \mathrm{~T}$$

MHT CET 2023 12th May Evening Shift

MCQ (Single Correct Answer)

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A body is projected vertically upwards from earth's surface of radius '$$R$$' with velocity equal to $$\frac{1^{\text {rd }}}{3}$$ of escape velocity. The maximum height reached by the body is

$$\frac{R}{8}$$

$$\frac{\mathrm{R}}{6}$$

$$\frac{\mathrm{R}}{4}$$

$$\frac{\mathrm{R}}{9}$$

MHT CET 2023 12th May Evening Shift

MCQ (Single Correct Answer)

-0

Which one of the following statements is WRONG regarding LED?

LEDs are energy efficient

LEDs have long time if properly manufactured.

Brightness of light emitted by LED cannot be controlled.

Colours produced by LED do not fade out.