Question

5. Fig 2.13 shows a pencil, whose length is
measured by placing eye at A, B and C. In which
position of eye is the accurate measurement
of length recorded? What is the magnitude
of accurate length? What is the magnitude of
length, when the eye is placed in other positions?
​

Answer 1

Answer:

At B

Explanation:

becausebecause this I make an angle with a scale of 90 degree so it will see the accurate length rather than a and b