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Chapter 1 - Physical Quantities, Units and Measurement

Authored by Thou Reaksmey

Physics

9th Grade

Used 10+ times

Chapter 1 - Physical Quantities, Units and Measurement
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A simple pendulum with an angle of swing of 10° takes 1.00 s to complete one oscillation.

 

If the angle of swing of the same pendulum is reduced to 5°, each complete oscillation will take

0.50 s

0.95 s

1.00 s

2.00 s

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which quantity is not a base quantity?

amount of substance

electric current

time

speed

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which reading is given to one tenth of a millimetre?

3.3 cm

3.31 cm

3.310 cm

3.312 cm

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these list of prefixes shows them in ascending order?

centi, deci, giga, kilo, mega, mili

mili, mega, kilo, giga, deci, centi

mili, centi, deci, kilo, mega, giga

giga, mega, kilo, deci,centi, mili

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is a vector quantity?

distance

energy

time

weight

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A man walk towards East for 3 km and then walk towards North for 4 km. What is the distance travelled and the displacement of the man?

5 km and 5 km

5 km and 7 km

7 m and 5 km

7 km and 7 km

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these can be measured with micrometer screw gauge?

circumference of a ping pong ball

depth of a cup

height of a child

thickness of a coin

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