Plz ans these ques and han dont spam
Answers
Answer:
1.)
a.) Measurement is the assignment of a number to a characteristic of an object or event, which can be compared with other objects or events.
b.) The number of particles present in a substance called mass. And SI unit is Kg.
c.) Length is a measure of distance.
d.)The metre is defined as the length of the path.
2.) i.) Units are accurate.
ii.) Units don't vary with external factors. Units are accepted worldwide.
3.) The size of the object or the amount is its magnitude. e.g. Speed, Distance etc.
4.) Physical quantity is any physical property that can be quantified, that is, be measured using numbers. e.g. Length, Time etc.
5.) i.) Metre.
ii.) Kelvin.
iii.) Second.
iv.) Kilo Gram (kg).
v.) Newton.
vi.) m/s.
vii.) Metre.
viii.) Ampere.
Please guys ask only one or two questions each time........
Not like that.......