MHT CET 2023 13th May Evening Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2023 13th May Evening Shift

MCQ (Single Correct Answer)

-0

In the electric field due to a charge $$Q$$, a charge $$q$$ moves from point $$A$$ to $$B$$. The work done is ( $$\varepsilon_0=$$ permittivity of vacuum)

MHT CET 2023 13th May Evening Shift Physics - Electrostatics Question 68 English

$$\frac{1}{4 \pi \varepsilon_0} \frac{Q q}{r^2}$$

$$\frac{1}{4 \pi \varepsilon_0} \frac{Q q}{r} \times \frac{\pi}{6}$$

$$\frac{1}{4 \pi \varepsilon_0} \frac{Q q}{r}$$

Zero

MHT CET 2023 13th May Evening Shift

MCQ (Single Correct Answer)

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Of the two slits producing interference in Young's experiment, one is covered with glass so that light intensity passing is reduced to $$50 \%$$. Which of the following is correct?

Intensity of fringes remains unaltered.

Intensity of bright fringe decreases and that of dark fringe increases.

Intensity of bright fringe increases and that of dark fringe decreases.

Intensity of both bright and dark fringes decreases.

MHT CET 2023 13th May Evening Shift

MCQ (Single Correct Answer)

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Magnetic shielding is done by surrounding the instrument to be protected from magnetic field by

soft ferromagnetic substance soft iron.

diamagnetic substance fine copper gauge.

paramagnetic substance aluminium.

paramagnetic material tantalum.