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If the semivertical angle of a cone is ...

If the semivertical angle of a cone is `45^(@)` then the rate of change of volume of the cone is

A

curved area times the rate of change of r

B

base area times the rate of change of l

C

base area times the rate of change of r

D

base area times the rate of change of `theta`

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The correct Answer is:
C
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AAKASH SERIES-RATE MEASUREMENT-PRACTICE SHEET (EXERCISE - 1) (LEVEL - 1) (STRAIGHT OBJECTIVE TYPE QUESTION)
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