Question

What are the common precaution in Physic practical

Answer 1

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.

 

Answer 2

Precautions refer to actions that can be taken by students to minimize effect on the result of experiment.

 

Precautions for ALL experiments:

1.   Avoid parallax 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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