An electric bulb of volume 250 cm3 has been sealed at a pressure of 10-3 mm of mercury and temperature 27-C- Find the number of air molecules in the bulb- What is the average distance between the molecules-

The correct option is D 8.02× 10^15, 3.15× 10^ 7 m . ...

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Standard XII

Physics

Temperature

An electric b...

Question

An electric bulb of volume $250 c m^{3}$ has been sealed at a pressure of $10^{- 3} m m$ of mercury and temperature $27^{\circ} C$ . Find the number of air molecules in the bulb. What is the average distance between the molecules?

9.02 \times 10^{15}, 3.15 \times 10^{- 5} m

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8.02 \times 10^{10}, 3.15 \times 10^{- 6} m

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4.02 \times 10^{15}, 2.15 \times 10^{- 7} m

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8.02 \times 10^{15}, 3.15 \times 10^{- 7} m

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Solution

The correct option is D $8.02 \times 10^{15}, 3.15 \times 10^{- 7} m$ .

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An electric bulb of volume 250 cm3 has been sealed at a pressure of 10−3mm of mercury and temperature 27∘C. Find the number of air molecules in the bulb. What is the average distance between the molecules?

The correct option is D 8.02×1015,3.15×10−7m.

An electric bulb of volume $250 c m^{3}$ has been sealed at a pressure of $10^{- 3} m m$ of mercury and temperature $27^{\circ} C$ . Find the number of air molecules in the bulb. What is the average distance between the molecules?

The correct option is D $8.02 \times 10^{15}, 3.15 \times 10^{- 7} m$ .