Question

Increasing order of prefix : micro, nano, pico and femto is
(a) micro < nano < pico < femto
(b) nano < micro < pico < femto
(c) pico < nano < micro < femto
(d) femto< pico< nano < micro​

Answer 1

(d) femto< pico< nano < micro

Answer 2

Correct answer is (d) femto< pico< nano < micro

• The units in numbers are - micro - 10-⁶, nano - 10-⁹, pico - 10-¹² and femto - 10-¹⁵.
• The unit mciro is represented by meu, nano by n, pico by p and femto by f.
• The unit closer to zero will be greater and the one farthest from zero will be smallest
• Hence, micro will be the highest while femto will be least, from given option.