Physics Units of Measurement - Physics Learning 5

Learn Physics Units of Measurement questions with answers. This prep guide includes questions like, what is difference between mechanical and digital watch?, how to find volume of irregular shaped solid? and others below.

Physics Units of Measurement Learning 5

Question: What is difference between mechanical and digital watch?

Answer: A stop watch is an instrument used to measure time intervals. They are of two types; mechanical and digital. The least count of a mechanical stop watch is 0.1 s and of digital stop watch is of 0.01 s.

Question: How to find volume of irregular shaped solid?

Answer: A measuring cylinder is taken and filled with a liquid in which the solid is insoluble. Then the solid is lowered in the cylinder containing liquid. The amount of liquid displaced is noted and this is the volume of the irregular shaped solid immersed in the liquid.