State four precaution your tools ensure accurate results
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15
Answer:
Precautions for ALl experiiments:
1. Avoid paralax error by placing eyes at measured level.
Some common precautions depending on situation:
1. Switch off the fan in the lab so that wind will not affect the result.
2. Ensure that the ruler has stopped moving before taking length measurement.
Answered by
2
Answer:
Answer:
Precautions for ALl experiiments:
1. Avoid paralax error by placing eyes at measured level.
Some common precautions depending on situation:
1. Switch off the fan in the lab so that wind will not affect the result.
2. Ensure that the ruler has stopped moving before taking length measurement.
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