A student is asked to find the volume of a small irregularly-shaped piece of rock. He has the following apparatus available. Which apparatus must the student use to find the volume of the small piece of rock?
A
Balance and rule
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B
Rule only
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C
Balance and measuring cylinder
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D
Measuring cylinder only
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Solution
The correct option is D Measuring cylinder only As we know that
Balance is used to measure the weight of body
Measuring cylinder containing water used to measure the volume of body
Rule is used to measure the length of body
The student must use measuring cylinder to find volume of the small piece of rock