Question

A pile of some identical five rupee coins are placed over a metre scale as shown in the figure belo
The thickness of five rupee coin is
b) 3 mm
a) 2mm
c)2cm
d) 3 cm​

Answer 1

The thickness of the five rupee coin will be either 2mm or 3 mm

Option a / b

Explanation:

• usually the thickness of a 5 rupee coin is measured in millimetres. The exact thickness of the coin cannot be determined because of the absence of the figure.
• However the most appropriate way to measure the thickness of a coin is by using a vernier caliper. This is because the least count of the vernier caliper is very less and as a result of this even slight change in the milimeter count can be found.

To know more,

A vernier calliper has each main scale division equal to 1 mm. 20 ..

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