Physical quantities and measurement

Physical quantities and measurement

12th Grade

10 Qs

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Physical quantities and measurement

Physical quantities and measurement

Assessment

Quiz

Physics

12th Grade

Medium

Created by

PUAN BM

Used 85+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which of the following is a basic unit?

area

volume

distance

density

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which of the following pairs of physical quantity and SI unit is correct ?
Mass - SI unit : Gram
Time - SI unit : Hour
Electric current - SI unit : Volt
Temperature - SI unit : Kelvin

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Which of the following best describe a vector quantity?

it has magnitude

it has direction

it has both magnitude and direction

it has magnitude but differ in direction

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

How can we minimize random errors?

by collecting more data

by recalibrating the instrument

by asking someone to repeat the process

by changing the data

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

It refers to how close a measurement is to the correct value.

Absolute measurement

Accuracy

Precision

Prediction

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

What is the correct symbol and SI unit for force

F and si unit: Pa

F and SI unit: N

W and SI unit: Nm

F and SI unit:N/m

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Dimension is defined as

A method which physical quantity expressed in terms of scalar and vector quantity.

A technique which physical quantity can be expressed in terms of combination of derived quantities.

A technique which physical quantity can be expressed in terms of combination of basic quantities.

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