What is the reading of the vernier calipers shown above?
Answer Details
The main scale reading on the vernier caliper is 1.3 cm, which is the closest value to the left of the zero mark on the vernier scale. The first mark on the vernier scale that aligns with a mark on the main scale is the 9th mark, which corresponds to 0.09 cm. The total reading is the sum of the main scale and the vernier scale readings, so:
Total reading = 1.3 cm + 0.09 cm = 1.39 cm
Therefore, the reading of the vernier calipers shown above is 1.39 cm.