icse.9.measurement-2

find the property of a unit

• should be in convenient size

• should exist without ambiguity

• should be reproducible

• all the above

pick a fundamental physical quantity

• mass

• area

• volume

• force

which among the following is derived quantity

• length

• density

• time

• temperature

combination of fundamental units is known as

• multiple units

• derived units

• bigger units

• sub multiple units

mole is the unit to measure the

• amount of substance

• current

• luminous intensity

• temperature

the physical quantity luminous intensity is measured by

• kelvin

• ampere

• candela

• kilogram

the standard fundamental quantities are totally

• 4

• 6

• 7

• 9

select the supplementary quantity

• plane angle

• solid angle

• both a and b

• none of the above

u can find solid angle of objects in

• 1 D

• 2 D

• 3 D

• all the above

the magnitude of tera is

• 10"12

• 10"6

• 10"9

• 10"10