Q. 123.7( 3 Votes )

What kind of error may happen when you are measuring the height of a person taller than you? What should you do avoid this error?

Answer :

Parallax error may happen while measuring the height of a person taller than me.

Parallax error is the error that occurs due to the measuring sight.

If we measure any quantity, the eye should be set parallel to the measurement made.

A is the correct way to measure, while B and C may cause parallax error.

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