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Properties of Matter question

2021 · 25 Jul · Shift 2 · Q57
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  5. /2021 · 25 Jul · Shift 2 · Q57

Properties of Matter question

2021 · 25 Jul · Shift 2 · Q57

JEE MainPhysicsProperties of MatterMCQ+4 / −1
Two spherical soap bubbles of radii r1 and r2 in vacuum combine under isothermal conditions. The resulting bubble has a radius equal to :
  1. A
    r1r2r1+r2{{{r_1}{r_2}} \over {{r_1} + {r_2}}}r1​+r2​r1​r2​​
  2. B
    r1r2\sqrt {{r_1}{r_2}}r1​r2​​
  3. C
    r12+r22\sqrt {r_1^2 + r_2^2}r12​+r22​​
  4. D
    r1+r22{{{r_1} + {r_2}} \over 2}2r1​+r2​​
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