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WorksheetsChapter 1 Physical Quantities and Measurement (Detailed)
Total questions: 135
Worksheet time: 11hrs 11mins
Name
Class
Date
1.
Quantities that can be measured are called what?
a)
Derived quantities
b)
Physical quantities
c)
Complex quantities
d)
Abstract quantities
2.
Which of the following is NOT a fundamental quantity?
a)
Length
b)
Mass
c)
Temperature
d)
Speed
3.
Physical quantities can be divided into which two categories?
a)
Scalar and Vector
b)
Solid and Liquid
c)
Fundamental and Derived
d)
Area and Volume
4.
What system of measurement uses a set of seven fundamental quantities?
a)
CGS system
b)
FPS system
c)
SI system
d)
MKS system
5.
Which of these is an example of a derived quantity?
a)
Length
b)
Mass
c)
Speed
d)
Time
6.
What is the SI unit of length?
a)
Kilogram
b)
Second
c)
Metre
d)
Kelvin
7.
What is the SI unit of mass?
a)
Gram
b)
Kilogram
c)
Pound
d)
Tonne
8.
What is the SI unit of time?
a)
Minute
b)
Hour
c)
Second
d)
Day
9.
What is the SI unit of temperature?
a)
Celsius
b)
Fahrenheit
c)
Kelvin
d)
Rankine
10.
What is the SI unit of electric current?
a)
Volt
b)
Ohm
c)
Ampere
d)
Watt
11.
What is the SI unit of luminous intensity?
a)
Lux
b)
Candela
c)
Lumen
d)
Nit
12.
What is the SI unit of amount of substance?
a)
Mole
b)
Gram
c)
Liter
d)
Kilogram
13.
What is the formula for Area?
a)
length + breadth
b)
length x breadth
c)
length / breadth
d)
length - breadth
14.
What is the SI unit for Area?
a)
m3
b)
m/s
c)
m2
d)
m/s2
15.
What is the formula for Volume?
a)
length x breadth
b)
length x breadth x height
c)
length + breadth + height
d)
length / breadth
16.
What is the SI unit for Volume?
a)
m2
b)
m3
c)
m/s
d)
kg/m3
17.
What is the formula for Speed?
a)
distance x time
b)
distance / time
c)
time / distance
d)
distance + time
18.
What is the SI unit for Speed?
a)
m/s2
b)
kg/m3
c)
m/s
d)
m3
19.
What is the formula for Acceleration?
a)
speed x time
b)
speed / time
c)
time / speed
d)
speed + time
20.
What is the SI unit for Acceleration?
a)
m/s
b)
m/s2
c)
kg/m3
d)
m3
21.
What is the formula for Density?
a)
mass x volume
b)
mass / volume
c)
volume / mass
d)
mass + volume
22.
What is the SI unit for Density?
a)
g/cm3
b)
kg/m3
c)
m/s2
d)
m3
23.
What is the amount of space occupied by an object called?
a)
Area
b)
Density
c)
Volume
d)
Mass
24.
What is the SI unit of volume?
a)
cubic centimetre
b)
litre
c)
millilitre
d)
cubic metre
25.
One cubic metre is the volume of a cube of side how many metres?
a)
10 metres
b)
100 centimetres
c)
1 metre
d)
10 centimetres
26.
Small volumes, such as the volume of bricks, are measured in what unit?
a)
litres
b)
millilitres
c)
cubic centimetres
d)
cubic metres
27.
How is the volume of a liquid usually measured?
a)
in kilograms
b)
in cubic metres
c)
in litres
d)
in grams
28.
What is the relationship between 1 m3 and cm3?
a)
1 m3=100 cm3
b)
1 m3=1000 cm3
c)
1 m3=100,000 cm3
d)
1 m3=1,000,000 cm3
29.
What is the relationship between 1 mL and cm3?
a)
1 mL=10 cm3
b)
1 mL=1 cm3
c)
1 mL=0.1 cm3
d)
1 mL=100 cm3
30.
What is the relationship between 1 L and cm3?
a)
1 L=100 cm3
b)
1 L=1000 cm3
c)
1 L=10,000 cm3
d)
1 L=1 cm3
31.
What is the relationship between 1000 L and m3?
a)
1000 L=1 m3
b)
1000 L=10 m3
c)
1000 L=0.1 m3
d)
1000 L=100 m3
32.
How is the volume of regular solids like cubes and cuboids calculated?
a)
By displacement of water
b)
Using standard formulae
c)
By weighing them
d)
By observing their color
33.
How is the volume of irregular solids like stones measured?
a)
By weighing them on a balance
b)
By calculating the volume of water they displace
c)
Using a ruler
d)
By counting the number of sides
34.
What is a measuring cylinder used for in a laboratory?
a)
Measuring mass
b)
Measuring temperature
c)
Measuring the volume of a liquid accurately
d)
Measuring length
35.
If the initial volume of water in a measuring cylinder is V1 and the final volume after immersing a stone is V2, what is the volume of the stone?
a)
V1+V2
b)
V1−V2
c)
V2−V1
d)
V1×V2
36.
What is density defined as?
a)
Mass per unit length
b)
Mass per unit time
c)
Mass per unit area
d)
Mass per unit volume
37.
How can the density of an object be increased?
a)
By decreasing its mass for a given volume
b)
By increasing its volume for a given mass
c)
By decreasing its mass for a given volume OR increasing its volume for a given mass
d)
By increasing its mass for a given volume OR decreasing its volume for a given mass
38.
What happens when an iron nail is put in water?
a)
It floats
b)
It sinks
c)
It dissolves
d)
It changes color
39.
Why does a ship made of iron float?
a)
Because iron is lighter than water
b)
Because it has a lot of hollow spaces filled with air
c)
Because it is propelled by an engine
d)
Because it is coated with a special material
40.
What is the SI unit of density?
a)
g/cm3
b)
kg/m2
c)
kg/m3
d)
g/L
41.
What is the CGS unit of density?
a)
kg/m3
b)
g/cm3
c)
g/mL
d)
kg/L
42.
How do you convert 1 kg/m3 to g/cm3?
a)
Multiply by 1000
b)
Divide by 1000
c)
Multiply by 100
d)
Divide by 100
43.
How do you convert 1 g/cm3 to kg/m3?
a)
Multiply by 1000
b)
Divide by 1000
c)
Multiply by 100
d)
Divide by 100
44.
Does the density of a substance remain the same irrespective of its shape and size?
a)
Yes
b)
No
c)
Sometimes
d)
Depends on the substance
45.
What is the densest substance on Earth mentioned in the text?
a)
Iron
b)
Gold
c)
Osmium
d)
Lead
46.
What is the approximate density of Osmium?
a)
1000 kg/m3
b)
5000 kg/m3
c)
10,000 kg/m3
d)
22,500 kg/m3
47.
What is the formula for the volume of a rectangular block (cuboid)?
a)
length + breadth + height
b)
length x breadth x height
c)
length x breadth
d)
2 x (length + breadth)
48.
What is the formula for the volume of a cube?
a)
side x side
b)
side + side + side
c)
side x side x side
d)
side / side
49.
What is speed defined as?
a)
Distance travelled per unit area
b)
Distance travelled per unit mass
c)
Distance travelled per unit time
d)
Distance travelled per unit volume
50.
What is the SI unit of speed?
a)
km/h
b)
m/s
c)
km/min
d)
cm/s
51.
What is the conversion factor from km/h to m/s?
a)
2025-05-18 00:00:00
b)
5/18
c)
1000/3600
d)
3600/1000
52.
What is the conversion factor from m/s to km/h?
a)
5/18
b)
18/5
c)
1000/36000
d)
3600/10000
53.
Who is mentioned as the fastest athlete in the world?
a)
Michael Jordan
b)
Usain Bolt
c)
LeBron James
d)
Tiger Woods
54.
If two objects cover the same distance, which one is moving at a higher speed?
a)
The one that takes more time
b)
The one that takes lesser time
c)
The one with more mass
d)
The one with less mass
55.
A piece of steel has a volume of 10 cm3 and a mass of 80 g. What is its density in g/cm3?
a)
0.8 g/cm3
b)
8 g/cm3
c)
80 g/cm3
d)
800 g/cm3
56.
A piece of steel has a volume of 10 cm3 and a mass of 80 g. What is its density in kg/m3?
a)
80 kg/m3
b)
800 kg/m3
c)
8000 kg/m3
d)
80,000 kg/m3
57.
What is the mass of 5 m3 of cement with a density of 2000 kg/m3?
a)
1000 kg
b)
2000 kg
c)
5000 kg
d)
10,000 kg
58.
Mass of a stone is 50 g. When it is immersed in water, the level rises from 45 mL to 75 mL. Determine the density of the stone.
a)
0.6 g/cm3
b)
1.6 g/cm3
c)
1.0 g/cm3
d)
2.0 g/cm3
59.
A block is 8 cm long, 2 cm wide, 3 cm high, and has a mass of 375 g. What is its volume?
a)
16 cm3
b)
24 cm3
c)
48 cm3
d)
64 cm3
60.
A block is 8 cm long, 2 cm wide, 3 cm high, and has a mass of 375 g. What is its density in g/cm3?
a)
7.8 g/cm3
b)
7.0 g/cm3
c)
8.0 g/cm3
d)
7.5 g/cm3
61.
A block is 8 cm long, 2 cm wide, 3 cm high, and has a mass of 375 g. What is its density in kg/m3?
a)
780 kg/m3
b)
7000 kg/m3
c)
7800 kg/m3
d)
7500 kg/m3
62.
What is the mass of a piece of wood that has a density of 0.85 g/cm3 and a volume of 29.4 cm3?
a)
24.99 g
b)
25.00 g
c)
29.40 g
d)
34.59 g
63.
Density of an irregular block of granite is 2.66 g/cm3. If the mass of the block is 0.12 kg, find the volume of the stone.
a)
4.51 cm3
b)
45.1 cm3
c)
0.451 cm3
d)
451 cm3
64.
If more mass is packed into the same volume, then density is _______.
a)
less
b)
more
c)
the same
d)
zero
65.
The density of a substance _______ with change in size.
a)
varies
b)
remains the same
c)
increases
d)
decreases
66.
1 g/cm3 is equal to _______ kg/m3.
a)
1/1000
b)
1000
c)
1
d)
100
67.
The density of solids is generally _______ than the density of liquids.
a)
lower
b)
higher
c)
the same
d)
negligible
68.
Calculate the density of an iron cube of length 1 cm and mass 7.8 g.
a)
1 g/cm3
b)
7.8 g/cm3
c)
0.78 g/cm3
d)
78 g/cm3
69.
A boy starts from home, goes to a shop, which is 2 km away, buys things, and comes back in 1 hour. What is the total distance covered by the boy?
a)
2 km
b)
1 km
c)
4 km
d)
0 km
70.
A boy starts from home, goes to a shop, which is 2 km away, buys things, and comes back in 1 hour. What is the speed with which he travelled?
a)
2 km/h
b)
4 km/h
c)
0 km/h
d)
1 km/h
71.
A bus covers 240 km in 3 hours and a car covers 250 km in 5 hours. What is the speed of the bus?
a)
60 km/h
b)
70 km/h
c)
80 km/h
d)
90 km/h
72.
A bus covers 240 km in 3 hours and a car covers 250 km in 5 hours. What is the speed of the car?
a)
40 km/h
b)
50 km/h
c)
60 km/h
d)
70 km/h
73.
A bus covers 240 km in 3 hours and a car covers 250 km in 5 hours. Which is faster?
a)
Bus
b)
Car
c)
They are equally fast
d)
Cannot be determined
74.
Ria covered a distance of 600 m in 2 minutes, whereas Lia covered the same distance in 3 minutes. What is Ria's speed?
a)
200 m/min
b)
300 m/min
c)
600 m/min
d)
100 m/min
75.
Ria covered a distance of 600 m in 2 minutes, whereas Lia covered the same distance in 3 minutes. What is Lia's speed?
a)
200 m/min
b)
300 m/min
c)
600 m/min
d)
100 m/min
76.
Ria covered a distance of 600 m in 2 minutes, whereas Lia covered the same distance in 3 minutes. Who is faster?
a)
Ria
b)
Lia
c)
They are equally fast
d)
Cannot be determined
77.
The speed of a cyclist is 18 km/h. What is his speed in m/s?
a)
5 m/s
b)
18 m/s
c)
3.6 m/s
d)
1.8 m/s
78.
The speed of a cyclist is 18 km/h. What is the distance covered by him in 5 minutes (in km)?
a)
1.5 km
b)
5 km
c)
18 km
d)
0.5 km
79.
What is the definition of volume?
a)
The amount of surface covered by a closed shape
b)
The amount of mass in a given volume
c)
The distance travelled by an object in unit time
d)
The amount of space occupied by an object
80.
What is the definition of area?
a)
The amount of space occupied by an object
b)
The amount of surface covered by a closed shape
c)
The amount of mass in a given volume
d)
The distance travelled by an object in unit time
81.
What is the relationship between 1 m3 and Litres?
a)
1 m3=1 L
b)
1 m3=10 L
c)
1 m3=100 L
d)
1 m3=1000 L
82.
Which instrument is used to measure the volume of a liquid accurately in a laboratory?
a)
Beaker
b)
Flask
c)
Measuring cylinder
d)
Test tube
83.
If you want to find the volume of an irregular solid given its mass and density, what formula would you use?
a)
Volume = Mass x Density
b)
Volume = Density / Mass
c)
Volume = Mass / Density
d)
Volume = Mass + Density
84.
If you take equal volumes of sand and cotton, which will appear heavier?
a)
Sand
b)
Cotton
c)
They will weigh the same
d)
Cannot be determined
85.
Is electric current a fundamental quantity?
a)
Yes
b)
No
c)
Only in some systems
d)
It's a derived quantity
86.
What is the meaning of "moving uniformly" in the context of speed?
a)
Moving in a straight line
b)
Moving at a constant speed throughout the journey
c)
Moving in circles
d)
Moving slowly
87.
If you cover "Mass" in the density triangle, what formula do you get?
a)
Density / Volume
b)
Density x Volume
c)
Volume / Density
d)
Mass / Density
88.
If you cover "Volume" in the density triangle, what formula do you get?
a)
Mass / Density
b)
Mass x Density
c)
Density / Mass
d)
Volume / Mass
89.
What is the main reason why accurate knowledge of density is important in constructing buildings, airplanes, and ships?
a)
For aesthetic purposes
b)
To minimize material cost
c)
For safety considerations related to weight and weight distribution
d)
To reduce construction time
90.
Which common substance listed has a density of 2.7 g/cm3?
a)
Water
b)
Aluminium
91.
If a substance has a mass of 1000 kilogram for 1 m3, what will be the mass for 1 cm3 of the same substance?
a)
1 g
b)
10 g
c)
0.1 g
d)
100 g
92.
How many seconds are there in 1 hour?
a)
60
b)
360
c)
3600
d)
600
93.
How many metres are there in 1 kilometre?
a)
10
b)
100
c)
1000
d)
10000
94.
What is the primary function of graduation markings on a measuring cylinder?
a)
To identify the type of liquid
b)
To indicate the volume measurements
c)
To make the cylinder stronger
d)
To improve its aesthetic appeal
95.
What is the term for a physical quantity that is defined in terms of fundamental quantities?
a)
Base quantity
b)
Scalar quantity
c)
Derived quantity
d)
Vector quantity
96.
Which physical quantity is a measure of the size of an object?
a)
Mass
b)
Density
c)
Temperature
d)
Volume
97.
Is a litre considered an official SI unit?
a)
Yes
b)
No
c)
Sometimes
d)
Only for volume
98.
Which of the following is an example of small volumes measured in mL?
a)
Water in a tank
b)
Cough syrups
c)
Milk in a measuring can
d)
Kerosene in a measuring jar
99.
If the density of a liquid is measured by taking three or four liquids with different densities in a test tube, how will they arrange themselves?
a)
Randomly
b)
Lightest at bottom and heaviest at top
c)
Heaviest at bottom and lightest at top
d)
They will mix completely
100.
What is the objective of immersing an irregular object in water?
a)
To determine its mass
b)
To calculate its length
c)
To find its surface area
d)
To measure its volume
101.
In the activity for measuring the volume of an irregular solid, what is the role of the thread?
a)
To clean the stone
b)
To tie the stone and lower it into the water
c)
To measure the stone's length
d)
To stir the water
102.
What is the formula for the volume of a cylinder?
a)
2πrh
b)
πr2h
c)
4/3πr3
d)
lwh
103.
What is the formula for the volume of a sphere?
a)
2πrh
b)
πr2h
c)
4/3πr3
d)
lwh
104.
If two objects cover a given distance, the object that covers the distance in _______ time is moving at a higher speed.
a)
more
b)
lesser
c)
equal
d)
variable
105.
What does the example of the horse and camel's speed comparison illustrate?
a)
How animals move
b)
How to calculate distance
c)
How to compare speeds of objects
d)
How to measure time
106.
If you have a substance with a density of 1 g/cm3, what does this mean in terms of kg/m3?
a)
1 kg/m3
b)
100 kg/m3
c)
1000 kg/m3
d)
0.001 kg/m3
107.
Ice completely sinks in water.
a)
False
b)
True
108.
In the solved example for density, why is the g/cm3 value multiplied by 1000 to get kg/m3?
a)
Because 1 kg=1000 g
b)
Because 1 m3=1000 cm3
c)
Because 1 m3=1,000,000 cm3 and 1 kg=1000 g, leading to a factor of 1000
d)
It's an arbitrary conversion factor
109.
SI unit of luminous intensity is
"candela".
a)
True
b)
False
110.
Which of the following physical quantities is NOT measured in m/s?
a)
Speed
b)
Distance
111.
What is the primary characteristic of a physical quantity?
a)
It must be visible.
b)
It must be measurable.
c)
It must be heavy.
d)
It must be liquid.
112.
Area of paper can be found by adding its length and breadth.
a)
False
b)
True
113.
Density is volume divided by mass.
a)
True
b)
False
114.
If a body covers 1 m in 1 second, how much distance would it cover in 1 hour?
a)
1000 m
b)
3600 m
c)
1 km
d)
3.6 km
115.
What is the relationship between 3600 m and km?
a)
3.6 km
b)
36 km
c)
0.36 km
d)
360 km
116.
Which type of quantities cannot be expressed in terms of other physical quantities within their set?
a)
Derived Quantities
b)
Fundamental Quantities
c)
Scalar Quantities
d)
Vector Quantities
117.
It is impossible to determine area of an irregular surface.
a)
False
b)
True
118.
If an object has a high speed, what does that indicate?
a)
It is stationary.
b)
It is moving slowly.
c)
It is moving fast.
d)
Its direction is changing rapidly.
119.
If there is no movement, what is the speed?
a)
High
b)
Low
c)
Zero
d)
Constant
120.
What is the general rule for determining the density of a solid?
a)
Divide its volume by its mass
b)
Multiply its mass by its volume
c)
Divide its mass by its volume
d)
Add its mass and volume
121.
When measuring the volume of a liquid with a measuring cylinder, what can sometimes be seen on the surface of the liquid?
a)
Bubbles
b)
A film
c)
A curve
d)
Sediment
122.
What is the term for the set of seven fundamental quantities used in the SI system?
a)
Base units
b)
Derived units
123.
What does d represent in the speed formula for Speed?
a)
Density
b)
Diameter
c)
Distance travelled
d)
Duration
124.
What does t represent in the speed formula ?
a)
Temperature
b)
Time taken
c)
Tension
d)
Thickness
125.
What does the term "Physical Quantities" primarily deal with in Physics?
a)
Abstract concepts
b)
Measurable quantities
c)
Historical events
d)
Philosophical ideas
126.
Can you calculate density if you know the mass and volume of an object?
a)
No
b)
Yes
127.
What is the approximate density of Ice in kg/m3?
a)
0.92
b)
920
128.
What is the approximate density of Coal in g/cm3?
a)
0 to 0.1
b)
1.1 to 1.4
129.
What is the approximate density of Aluminium in kg/m3?
a)
2.7
b)
2700
130.
What is the approximate density of Steel in kg/m3?
a)
1000
b)
7750 to 8050
131.
What is the approximate density of Copper in g/cm3?
a)
8300 to 9000
b)
8.3 to 9.0
132.
If a large volume of liquid is to be measured, what unit is typically used?
a)
Millilitres
b)
Cubic centimetres
c)
Litres
d)
Grams
133.
The symbol for litre can be written as _______ .
a)
L
b)
Lt or lr
c)
L or ml
d)
l or mL
134.
When liquids arrange themselves in order of their densities, where do the lighter ones float?
a)
At the bottom
b)
In the middle
c)
On the denser liquids
d)
They mix with the denser liquids
135.
What is a cubical room or water tank's volume expressed in?
a)
cm3
b)
L
c)
mL
d)
m3
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