Q. 4 C3.8( 9 Votes )

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Answer :


The diagram is given below:



As mentioned in the question the test tube comprises of a cylinder and a hemisphere.


The length(l)and radius(r) of cylinder is 15 & 20 mm respectively.


Capacity of test tube = volume of cylinder + volume of hemisphere.


volume of cylinder = π r2 l


volume of hemisphere =


Capacity of test tube = π × 202 × 15 + × π × 203


= 35437.165 mm3.


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