Two soap bubbles have different radii but their surface tension is the same. Mark the correct statement
Two soap bubbles have different radii but their surface tension is the same. Mark the correct statement
- A
Internal pressure of the smaller bubble is higher than the internal pressure of the larger bubble
- B
Pressure of the larger bubble is higher than the smaller bubble
- C
Both bubbles have the same internal pressure
- D
None of the above
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- [JEE MAIN 2018]
Two narrow bores of diameter $5.0\, {mm}$ and $8.0\, {mm}$ are joined together to form a $U-$shaped tube open at both ends. If this ${U}$-tube contains water, what is the difference in the level of two limbs of the tube.
[Take surface tension of water ${T}=7.3 \times 10^{-2} \, {Nm}^{-1}$, angle of contact $=0, {g}=10\, {ms}^{-2}$ and density of water $\left.=1.0 \times 10^{3} \,{kg} \,{m}^{-3}\right]$ (in $mm$)
Two narrow bores of diameter $5.0\, {mm}$ and $8.0\, {mm}$ are joined together to form a $U-$shaped tube open at both ends. If this ${U}$-tube contains water, what is the difference in the level of two limbs of the tube.
[Take surface tension of water ${T}=7.3 \times 10^{-2} \, {Nm}^{-1}$, angle of contact $=0, {g}=10\, {ms}^{-2}$ and density of water $\left.=1.0 \times 10^{3} \,{kg} \,{m}^{-3}\right]$ (in $mm$)
- [JEE MAIN 2021]