MHT CET 2021 21th September Evening Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2021 21th September Evening Shift

MCQ (Single Correct Answer)

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In Young's experiment, fringes are obtained on a screen placed at a distance $$75 \mathrm{~cm}$$ from the slits. When the separation between two narrow slits is doubled, then the fringe width is decreased. In order to obtain the initial fringe width, the screen should be moved through.

$$150 \mathrm{~cm}$$ away from the slits.

$$75 \mathrm{~cm}$$ towards the slits.

$$75 \mathrm{~cm}$$ away from slits.

$$150 \mathrm{~cm}$$ towards the slits.

MHT CET 2021 21th September Evening Shift

MCQ (Single Correct Answer)

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Combination of NAND gates is shown in the figure. It is equivalent to

MHT CET 2021 21th September Evening Shift Physics - Semiconductor Devices and Logic Gates Question 114 English

AND gate

NOR gate

OR gate

X-OR gate

MHT CET 2021 21th September Evening Shift

MCQ (Single Correct Answer)

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A molecule of mass 'm' moving with velocity 'v' makes 5 elastic collisions with a wall of container per second. The change in momentum of the wall per second in 5 collisions will be

10 mv

5 mv

$$\frac{1}{5}$$ mv

$$\frac{1}{10}$$ mv

MHT CET 2021 21th September Evening Shift

MCQ (Single Correct Answer)

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In thermodynamics, for an isochoric process, which one of the following statement is INCORRECT?

Energy exchanged is used to do work and also to change internal energy.

No work is done in the process.

It is a constant volume process.

Temperature of the system changes during the process.