MHT CET 2021 20th September Morning Shift | Electrostatics Question 18 | Physics

A spherical conducting shell of inner radius 'r$$_1$$' and outer radius 'r$$_2$$' has a charge 'Q'. A charge $$-$$q is placed at the centre of the shell. The surface charge density on the inner and outer surface of the shell will be

MHT CET 2021 20th September Morning Shift Physics - Electrostatics Question 13 English

$$\frac{q}{4 \pi r_1^2}$$ and $$\frac{\mathrm{Q}-\mathrm{q}}{4 \pi \mathrm{r}_2^2}$$

$$\frac{q}{4 \pi r_1^2}$$ and $$\frac{Q}{4 \pi r_2^2}$$

$$\frac{-q}{4 \pi r_1^2}$$ and $$\frac{Q+q}{4 \pi r_2^2}$$

zero and $$\frac{\mathrm{Q}-\mathrm{q}}{4 \pi \mathrm{r}_2^2}$$

MHT CET 2021 20th September Morning Shift

MCQ (Single Correct Answer)

-0

A charge of magnitude '2e' and mass '4m' is moving in an electric field $$\overrightarrow E $$. The acceleration imparted to the above charge is

$$\mathrm{\frac{2m}{3Ee}}$$

$$\mathrm{\frac{Ee}{2m}}$$

$$\mathrm{\frac{2Ee}{3m}}$$

$$\mathrm{\frac{3m}{2Ee}}$$

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