Question

State four precaution your tools ensure accurate results

Answer 1

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.

Answer 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.