MHT CET 2021 23th September Morning Shift | MHT CET Year Wise Previous Years Questions

If $$\mathrm{m}$$' represents the mass of each molecules of a gas and $$\mathrm{T}$$' its absolute temperature then the root mean square speed of the gas molecule is proportional to

$$\mathrm{m^{-\frac{1}{2}}T^{\frac{1}{2}}}$$

$$\mathrm{m^{\frac{1}{2}}T^{-\frac{1}{2}}}$$

$$\mathrm{m^{\frac{1}{2}}T^{\frac{1}{2}}}$$

MHT CET 2021 23th September Morning Shift

MCQ (Single Correct Answer)

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The mass of a spherical planet is 4 times the mass of the earth, but its radius (R) is same as that of the earth. How much work is done is lifting a body of mass 5 kg through a distance of 2 m on the planet ? (g = 10 ms$$^{-2}$$)

400 J

200 J

800 J

300 J

MHT CET 2021 23th September Morning Shift

MCQ (Single Correct Answer)

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For series LCR circuit, which one of the following is a CORRECT statement?

Potential difference across resistance $$\mathrm{R}$$ and that across capacitor have phase difference $$\frac{\pi^{\mathrm{c}}}{2}$$.

Applied e.m.f. and potential difference across resistance '$$R$$' are in the same phase

Applied e.m.f. and potential difference inductor coil has phase difference of $$\frac{\pi^{\mathrm{c}}}{2}$$

Potential difference across capacitor and that across inductor have phase difference of $$\frac{\pi^{\mathrm{c}}}{2}$$.