Question

The diagram given above shows a pencil placed along the length of a metre
scale. The length of the pencil is measured keeping the eye in positions X, Y
and Z.
a. Write the length of the pencil as observed from each position of the eye.
b. What is the correct length of the pencil?
c. Define parallax error?
d. Name any two multiples of the SI unit of length.'

Answer 1

Answer:

a:3cms

b:3cms

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