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Question
A task was assigned to Virat to measure a snake-like steel rod which looks something like this.
Which of the following objects/methods should he use to make this measurement?
A task was assigned to Virat to measure a snake-like steel rod which looks something like this.
Which of the following objects/methods should he use to make this measurement?
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Solution
The correct option is C A thread and a ruler
Virat cannot use a meter scale as it cannot be bent along the curve. If he uses pieces of marbles, there will always be some gaps left between two marbles. A thread of known length can be used to measure the required length as shown in the diagram below.
A thread and a ruler
Virat cannot use a meter scale as it cannot be bent along the curve. If he uses pieces of marbles, there will always be some gaps left between two marbles. A thread of known length can be used to measure the required length as shown in the diagram below.