Measurements

TnpsctricksAugust 15, 2018

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Measurements - 8th Std Science

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Congratulations - you have completed Measurements - 8th Std Science. You scored %%SCORE%% out of %%TOTAL%%. Your performance has been rated as %%RATING%%

Your answers are highlighted below.

Question 1

The standard quantity used for measurement is called _____

A	measurement
B	unit

Question 2

When we say a distance as 500m, 500 is its ______

A	magnitude
B	unit

Question 3

In 50 sec, sec is the _______

A	unit
B	magnitude

Question 4

Mile is an unit of _______

A	mass
B	length

Question 5

There are __________ fundamental quantities.

A	seven
B	two

Question 6

There are two ________ quantities.

A	fundamental
B	supplementary

Question 7

__________ is the primary unit of temperature in SI system.

A	Kelvin
B	Celcius

Question 8

________ is the SI unit of Electric current.

A	Ampere
B	Mole

Question 9

The unit of plane angle is _____

A	steradian
B	radian

Question 10

The usage of negative values in ______ scale can be avoided by using Kelvin scale.

A	celcius
B	Kelvin

Question 11

Candela is the SI unit of ______

A	Luminous intensity
B	temperature

Question 12

Plane angle and solid angle are _________ quantities.

A	fundamental
B	supplementary

Question 13

Units when are named after scientists should always be written with __________ letters

A	capital
B	small

Question 14

______ is the unit of force.

A	Newton
B	Kelvin

Question 15

Fill in the blanks.

________ is the comparison of an unknown quantity with the standard quantity.

A	Measurement
B	evaluation
C	Scalling

Question 16

Pound is an unit of ______

A	matter
B	mass
C	measurement

Question 17

There are seven _______ quantities.

A	Measurement
B	Mass
C	fundamental

Question 18

The uniform system of measurement is called _________

A	SI system of units
B	mass
C	Fundamental Quantities

Question 19

In_______ system, the units for all physical quantities are fixed and derived.

A	SI
B	mass
C	Fundamental

Question 20

_________ is the primary unit of temperature.

A	Joule
B	Kelvin
C	celcius

Question 21

______ is the SI unit of Luminous intensity.

A	kelvin
B	Candela
C	lumen

Question 22

Absolute zero is taken as ________ point for Kelvin scale.

A	null
B	10
C	20

Question 23

_________ is the SI unit of amount of substance.

A	Amphire
B	Mole
C	Joule

Question 24

A ______ emits light with a luminous intensity roughly equal to one candela.

A	Candle
B	lumen
C	lux

Question 25

An angle of ______ results in an arc with a length equal to the radius of the circle.

A	100 radian
B	ten radian
C	one radian

Question 26

The _______ of units should be written with a small letter.

A	Signs
B	symbols
C	icons

Question 27

There should be no _______ at the end of a symbol for units.

A	full stop
B	question mark
C	comma

Question 28

The SI unit of intensity of sound is _______

A	decibel
B	volt
C	watt

Question 29

__________mm make one metre.

A	1000
B	100
C	10

Question 30

One megagram ________ metric ton.

A	100
B	10
C	1

Question 31

One decigram ________ milligram.

A	10
B	100
C	1000

Question 32

Match the following

Rictor scale a. null point
Solid angle b. earth quakes
absolute zero c. one candela
unit of mass d. steradian
candle light e. Kgm

A	3 1 5 2 4
B	1 5 3 4 2
C	4 3 5 2 1
D	2 5 3 1 4

Question 33

Match the following

100 square metre a. 1 hectare
one square hectometre b. 100 grams
1000 kilograms c. 1 gram
one kilograms d. 1 megagram
1000 milligrams e. 1 are

A	1 2 4 3 5
B	5 3 1 2 4
C	2 4 5 3 1
D	4 3 5 2 1

Question 34

Match the following

one mega gram a. 1000 milligrams
one decigram b. 1 metric ton
10 decigrams c. 1 kilogram
10 hectograms d. 1 centigram
10 milligrams e. 100 milligrams

A	4 1 3 2 5
B	3 1 4 5 2
C	4 3 2 1 5
D	3 4 1 3 5

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There are 34 questions to complete.

Measurements - 8th Std Science

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