GENERAL KNOWLEDGE

GK

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these shows SI unit prefixes arranged in order from smallest to largest?
A
centi, milli, kilo
B
milli, centi, kilo
C
kilo, milli, centi
D
kilo, centi, milli
Explanation: 

Detailed explanation-1: -In the SI, designations of multiples and subdivision of any unit may be arrived at by combining with the name of the unit the prefixes deka, hecto, and kilo meaning, respectively, 10, 100, and 1000, and deci, centi, and milli, meaning, respectively, one-tenth, one-hundredth, and one-thousandth.

Detailed explanation-2: -From smallest to largest, the metric units of length are millimetres (mm), centimetres (cm), metres (m) and kilometres (km). There are 10 mm in 1 cm, 100 cm in 1 m and 1000 m in 1 km. The metric units of length are used in all countries except the USA, Liberia and Myanmar.

Detailed explanation-3: -1 angstrom =10−10 meter; 1 fermi =10−15 meter, Therefore, the smallest prefix is for fermi.

Detailed explanation-4: -Centi-means 100; 100 centimeters make a meter. Milli-means 1, 000; 1, 000 millimeters make a meter.

There is 1 question to complete.