Questions Find out which of the following products are measured and sold by mass. Also say whether they are sold in mg, g or kg 1. toothpaste g 5. petrol Ka 9. butter 2. milk 6. bottle of water 10. cooking oil 3. washing powder 7. box of chocolates 8. cough syrupa 4. toffee

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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button
readin
Fig. 2.9 Physical balance
butto
Fig. 2.8 Electronic balance
as the
Questions
stopv
time.
the s
Find out which of the following products are measured and sold by mass. Also say
whether they are sold in mg, g or kg
1. toothpaste
5. petrol k
9. butter &
There
2. milk
6. bottle of water
3. washing powder
4. toffee
7. box of chocolates 8. cough syfupa
time
cloc
10. cooking oil
glasses and water clocks were used to
measure time. With the invention of clocks
measurement of time became more
accurate. The units of time are second,
minute, hour, and day. Larger units of time
gre days, weeks, months, and years.
MEASUREMENT OF TIME
The accurate measurement of time
helps in the proper scheduling and
coordination of our daily activities
Concept of time TP
The interval between two events is called
The relation between these units is given
below.
60 s = 1 min
24 h = 1 day
ay in
time.
60 min = 1 h
The measurement of time began with
Egyptians, sometime before 1500 BCE.
They divided the period from sunrise to
sunset into 12 equal parts. Later, sand
7 days = 1 week
So
ds will be
12-
The
24
24 x 6
60 s = 86,400 s
Transcribed Image Text:button readin Fig. 2.9 Physical balance butto Fig. 2.8 Electronic balance as the Questions stopv time. the s Find out which of the following products are measured and sold by mass. Also say whether they are sold in mg, g or kg 1. toothpaste 5. petrol k 9. butter & There 2. milk 6. bottle of water 3. washing powder 4. toffee 7. box of chocolates 8. cough syfupa time cloc 10. cooking oil glasses and water clocks were used to measure time. With the invention of clocks measurement of time became more accurate. The units of time are second, minute, hour, and day. Larger units of time gre days, weeks, months, and years. MEASUREMENT OF TIME The accurate measurement of time helps in the proper scheduling and coordination of our daily activities Concept of time TP The interval between two events is called The relation between these units is given below. 60 s = 1 min 24 h = 1 day ay in time. 60 min = 1 h The measurement of time began with Egyptians, sometime before 1500 BCE. They divided the period from sunrise to sunset into 12 equal parts. Later, sand 7 days = 1 week So ds will be 12- The 24 24 x 6 60 s = 86,400 s
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