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There is a soap bubble of radius 2.4 xx ...

There is a soap bubble of radius `2.4 xx 10^(-4)m` in air cylinder at a pressure of `10^(5) N//m^(2)`. The air in the cylinder is compressed isothermal until the radius of the bubble is halved. Calculate the new pressure of air in the cylinder. Surface tension of soap solution is `0.08 Nm^(-1)`.

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The correct Answer is:
`8.08 xx 10^(5)Pa`
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ALLEN -GEOMETRICAL OPTICS-EXERCISE - 04 (A)
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  2. The pressure in monoatomic gas increases linearly from =4xx10^(5) Nm^...

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  3. On mole of a monoatomic ideal gas is taken through the cycle shown in ...

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  4. At 27^@C two moles of an ideal monoatomic gas occupy a volume V. The g...

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  5. Three moles of an ideal gas (Cp=7/2R) at pressure, PA and temperature ...

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  6. An ideal gas having initial pressure p, volume V and temperature T is ...

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  7. Two moles of helium gas (gamma = 5 / 3) are initially at 27^@C and occ...

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  8. An ideal gas has a specific heat at constant pressure CP=(5R)/2. The g...

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  9. Calculate the work done when one mole of a perfect gas is compressed a...

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  10. A gaseous mixture enclosed in a vessel of volume V consists of one gra...

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  11. An ideal gas is taken through a cyclic thermodynamic process through f...

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  12. A gas has molar heat capacity C = 37.55 J "mole"^(-1)K^(-1), in the pr...

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  13. One mole of monoatomic ideal gas undergoes a process ABC as shown in f...

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  14. An ideal monoatomic gas occupies volume 10^(-3)m^(3) at temperature 3K...

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  15. P-V graph for an ideal gas undergoing polytropic process PV^(m) = cons...

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  16. One mole of an ideal gas is heated isobarically from the freezing poin...

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  17. A vertical cylinder of cross-sectional area 0.1m^(2) closed at both en...

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  18. There is a soap bubble of radius 2.4 xx 10^(-4)m in air cylinder at a ...

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  19. An ideal gas at NTP is enclosed in an adiabatic vertical cylinder havi...

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  20. There are two layers of water in a calorimeter, the lower one colder a...

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