MHT CET 2020 16th October Morning Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

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A vehicle of mass $$m$$ is moving with momentum $$p$$ on a rough horizontal road. The coefficient of friction between the tyres and the horizontal road is $$\mu$$. The stopping distance is ($$g=$$ acceleration due to gravity)

$$\frac{p^2}{2 \mu m^2}$$

$$\frac{p^2}{2 \mu g m^2}$$

$$\frac{p^2}{\mu g m^2}$$

$$\frac{p^2}{2 \mu g}$$

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

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In Young's double slit experiment green light is incident on the two slits. The interference pattern is observed on a screen. Which one of the following changes would cause the observed fringes to be more closely spaced?

Moving the screen away from the slits

Using blue light instead of green light

Using red light instead of green light

Reducing the separation between the slits

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

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Two identical strings of length $$l$$ and $$2l$$ vibrate with fundamental frequencies $$\mathrm{N} \mathrm{~Hz}$$ and $$1.5 N$$ Hz, respectively. The ratio of tensions for smaller length to large length is

$$1: 3$$

$$1: 9$$

$$3: 1$$

$$9: 1$$

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

-0

In amplitude modulation,

amplitude remains constant but frequency . changes according to information signal

amplitude of carrier wave changes according to information signal

both amplitude and frequency changes according to information signal

both amplitude and frequency do not change according to information signal