Question

Side of a cube is measured with a standard verniercallipers. The main scale reads 10 mm and first division of vernier scale coincides with that of main scale. Measured value of side of cube is –

• A. 1.1 cm
• B. 1.01 cm
• C. 1.001 cm
• D. 1.02 cm

Answer 1

Answer: (B)

1.01 cm

Answer 2

LC = $\frac { 1 } { 10 }$ mm = $\frac { 1 } { 100 }$ cm = 0.01 cm

Side of cube = $\frac { 10 } { 10 }$ + 1×.01 = 1.01 cm