Question

1 Micron is equal to __________
(a)1/100mm
(b)1/1,000mm
(c)1/10,000mm
(d)1/1,00,000mm

Answer 1

Hint: Micron is the unit of measurement used to measure the size of bacterial cells.

Complete answer:
-The symbol μm is used to denote a micron.
-A micrometer can be measured using a micrometer screw-gauge.
-A micron is a unit of measurement, it is very difficult to visualize a micron but is a very important unit of measurement.
-One micron is a millionth part of a meter, this means when a meter is divided into million equal parts the length of one part is a micron.
-The measurement micron is used to measure bacterial cells, the thickness of plastics, and water filters.
-Micron Water filters filter out bacteria, larger mineral salts from water, etc. In these filters, micron-size determines its efficiency.
-The micrometer is also used to measure the diameter of colloidal particles.
One micron is 1/1,000mm.
So the correct answer is 1/1,000mm.

Note: Here is a table with a list of factors to measure the length in terms of meter.

Sr.no	Factor	Prefix	Symbol
1	10-3	milli	m
2	10+3	kilo	k
3	10-6	micro	μ
4	10+6	mega	M
5	10-9	nano	n
6	10+9	giga	G
7	10-12	pico	p
8	10+12	tetra	T
9	10-2	centi	c
10	10+2	hecto	h
11	10-1	deci	d
12	10+1	deca	da