Which of the following should be measured by vernier calipers?

a. height of a bed

b. length of a torch

c. thickness of a candle

d. length of a windowpane

e. width of a bed

option C.

Explanation:

The correct answer is option C.

Vernier Calipers is a precision instrument that is used to measure the internal or outer dimensions or the depth of the material.

Vernier Caliper consists of two jaws, the main scale, and the vernier scale.

Graduation is present on both the main scale and vernier.

To measure the width of any material it should be placed in between the jaws and reading is taken with the help of the main scale and vernier scale.

The thickness of the candle can be measured using vernier calipers precisely.

d) physical means can be used to separate the components of air.