FBISE Physics MCQs
FBISE Physics MCQs
FBISE Physics MCQs for Class 9
BISE Physics MCQs for Class 9 of Unit 1 Physical Quantities and Measurements
1.1 Encircle the correct answer from the given choices.
i. The number of base units in SI are:
(a) 3 (b) 6 (c) 7 (d) 9
ii. Which one of the following units is not a derived unit?
(a) pascal (b) kilogramme (c) newton (d) watt
iii. Amount of a substance in terms of numbers is measured in:
(a) gram (b) kilogramme (c) newton (d) mole
iv. An interval of 200u s is equivalent to
(a) 0.2 s (b) 0.02 s (c) 2x10-1 s (d) 2x10-4 s
v. Which one of the following is the smallest quantity?
(a) 0.01 g (b) 2 mg (c) 100 u g (d) 5000 ng
vi. Which instrument is most suitable to measure the internal diameter of a test tube?
(a) metre rule (b) Vernier Callipers (c) measuring tap (d) screw gauge
vii. A student claimed the diameter of a wire as 1.032 cm using Vernier Callipers. Up to what extent do you agree with it?
(a) 1 cm (b) 1.0 cm (c) 1.03 cm (d) 1.032 cm
viii. A measuring cylinder is used to measure:
(a) mass (b) area (c) volume (d) level of a liquid
ix. A student noted the thickness of a glass sheet using a screw gauge. On the main scale, it reads 3 divisions while 8th division on the circular scale coincides with index line. Its thickness is:
(a) 3.8 cm (b) 3.08 mm (c) 3.8 mm (d) 3.08 m
x. Significant figures in a expression are:
(a) all the digits
(b) all the accurately known digits
(c) all the accurately known digits and the first doubtful digit
(d) all the accurately known and all the doubtful digits
Answers of 1.1 (MCQs)
i. | (c) | ii. | (b) |
iii. | (d) | iv. | (d) |
v. | (d) | vi. | (b) |
vii. | (c) | viii. | (c) |
ix. | (b) | x. | (c) |
FBISE Physics MCQs for Class 9 of Unit 2 Kinematics
Exercise
2.1 Encircle the correct answer from the given choices.
i. A body has translatory motion if it moves along a
(a) straight line
(b) circle
(c) line without rotation
(d) curved path
ii. The motion of a body about an axis is called
(a) circular motion
(b) rotatory motion
(c) vibratory motion
(d) random motion
iii. Which of the following is a vector quantity?
(a) speed (b) distance (c) displacement (d) power
iv. If an object is moving with constant speed, then its distance-time graph will be a straight line.
(a) along time-axis
(b) along distance-axis
(c) parallel to time-axis
(d) inclined to time-axis
v. A straight line parallel to time-axis on a distance-time graph tells that the object is
(a) moving with constant speed
(b) at rest
(c) moving with variable speed
(d) in motion
vi. The speed-time graph of a car is shown in the figure, which of the following statement is true?
(a) car has an acceleration of 1.5 m-2
(b) car has constant speed of 7.5 ms-1
(c) distance travelled by the car is 75 m
(d) average speed of the car is 15 ms-1
vii. Which one of the following graphs is representing uniform acceleration?
viii. By dividing displacement of a moving body with time, we obtain
(a) speed (b) acceleration (c) velocity (d) deceleration
ix. A ball is thrown vertically upward. Its velocity at the highest point is:
(a) -10 ms-1 (b) zero (c) 10 ms-2 (d) none of these
x. A change in position is called:
(a) speed (b) velocity
(c) displacement (d) distance
xi. A train is moving at a speed of 36 kmh-1. Its speed expressed in ms-1 is:
(a) 10 ms-1 (b) 20 ms-1 (c) 25 ms-1 (d) 30 ms-1
xii. A car starts from rest. It acquires a speed of 25 ms-1 after 20 s. The distance moved
by the car during this time is:
(a) 31.25 m (b) 250 m (c) 500 m (d) 5000 m
Answers of Multiple Choice Questions (MCQs)
i. | (c) | ii. | (b) |
iii. | (c) | iv. | (d) |
v. | (b) | vi. | (c) |
vii. | (a) | viii. | (c) |
ix. | (b) | x. | (d) |
xi. | (a) | xii. | (b) |
FBISE Physics MCQs for Class 9 of Unit 3 Dynamics
3.1 Encircle the correct answer from the given choices.
i. Newton's first law of motion is valid only in the absence of:
(a) force (b) net force (c) friction (d) momentum
ii. Inertia depends upon
(a) force (b) net force (c) mass (d) velocity
iii. A boy jumps out of a moving bus. There is a danger for him to fall:
(a) towards the moving bus
(b) away from the bus
(c) in the direction of motion
(d) opposite to the direction of motion
iv. A string is stretched by two equal and opposite forces 10 N each. The tension in the string is
(a) zero (b) 5 N (c) 10 N (d) 20 N
v. The mass of a body:
(a) decreases when accelerated
(b) increases when accelerated
(c) decreases when moving with high velocity
(d) none of the above.
vi. Two bodies of masses m1 and m2 attached to the ends of an inextensible string passing over a frictionless pulling such that both move vertically. The acceleration of the bodies is:
\[(a) \frac{m_{1}m_{2}}{m_{1}+m_{2}}\]
\[(b) \frac{m_{1}- m_{2}}{m_{1}+ m_{2}}\]
\[(c)\frac{m_{1} + m_{2}}{m_{1}- m_{2}}\]
\[(d)\frac{2m_{1}m_{2}}{m_{1}+m_{2}}\]
vii. Which of the following is the unit of momentum?
(a) Nm (b) kgms-2 (c) Ns (d) Ns-1
viii. When horse pulls a cart, the action is on the:
(a) cart (b) Earth © horse (d) Earth and cart
ix. Which of the following material lowers friction when pushed between metal plates?
(a) water (b) fine marble powder
(c) air (d) oil
Answers of Multiple Choice Questions (MCQs)
i. | (b) | ii. | (c) |
iii. | (c) | iv. | (c) |
v. | () | vi. | () |
vii. | (c) | viii. | (c) |
ix. | (b) | x. | (d) |
xi. | (a) | xii. | (b) |
FBISE Physics MCQs for Class 9 of Unit 4 Turning Effect of Forces
i. Two equals but unlike parallel forces having different line of action produce
(a) a torque (b) a couple
(c) equilibrium (d) neutral equilibrium
ii. The number of forces that can be added by head to tail rule are:
(a) 2 (b) 3 (c) 4 (d) any number
iii. The number of perpendicular components of a force are:
(a) 1 (b) 2 (c) 3 (d) 4
iv. A force of 10 N is making an angle of 30° with the horizontal. Its horizontal component will be:
(a) 4 N (b) 5 N (c) 7 N (d) 8.7 N
v. A couple is formed by
(a) two forces perpendicular to each other
(b) two like parallel forces
(c) two equal and opposite forces in the same line
(d) two equal and opposite forces not in the same line
vi. A body is in equilibrium when its:
(a) acceleration is uniform
(b) speed is uniform
(c) speed and acceleration are uniform
(d) acceleration is zero
vii. A body is in neutral equilibrium when its centre of gravity:
(a) is at its highest position
(b) is at the lowest position
(c) keeps its height if displaced
(d) is situated at its bottom
viii. Racing cars are made stable by:
(a) increasing their speed
(b) decreasing their mass
(c) lowering their centre of gravity
(d) decreasing their width
Answers to Multiple Choice Questions (MCQs)
i. | (b) | ii. | (d) |
iii. | (b) | iv. | (d) |
v. | (d) | vi. | (d) |
vii. | (c) | viii. | (c) |
FBISE Physics MCQs for Class 9 of Unit 5 Gravitation
5.1 Encircle the correct answer from the given choices.
i. Earth's gravitational force of attraction vanishes at
(a) 6400 km (b) infinity (c) 42300 km (d) 1000 km
ii. Value of g increases with the
(a) increase in mass of the body
(b) increase in altitude
(c) decrease in altitude
(d) none of the above
iii. The value of g at a height one Earth's radius above the surface of the Earth is:
(a) 2 g (b) 1/2 g (c) 1/3 g (d) 1/4 g
iv. The value of g on moon's surface is 1.6 ms-2. What will be the weight of a 100 kg body on the surface of the moon?
(a) 100 N (b) 160 N (c) 1000 N (d) 1600 N
v. The altitude of geostationary orbits in which communication satellites are launched above the surface of the Earth is:
(a) 850 km (b) 1000 km (c) 6400 km (d) 42,300 km
vi. The orbital speed of a low orbit satellite is:
(a) zero (b) 8 ms-1 (c) 800 ms-1 (d) 8000 ms-1
Answers to Multiple Choice Questions (MCQs)
i. | (b) | ii. | (c) |
iii. | (d) | iv. | (b) |
v. | (d) | vi. | (d) |
FBISE Physics MCQs for Class 9 of Unit 6 Work and Energy
6.1 Encircle the correct answer from the given choices.
i. The work done will be zero when the angle between the force and the distance is
ii. If the direction of motion of the force is perpendicular to the direction of motion of the body, then work done will be
(a) Maximum
(b) Minimum
(c) zero
(d) None of the above
iii. If the velocity of a body becomes double, then its kinetic energy will
(a) remain the same
(b) become double
(c) become four times
(d) become half
iv. The work done in lifting a brick of mass 2 kg through a height of 5 m above ground will be
(a) 2.5 J (b) 10 J (c) 50 J (d) 100 J
v. The kinetic energy of a body of mass 2 kg is 25 J. Its speed is
(a) 5 ms-1 (b) 12.5 ms-1 (c) 25 ms-1 (d) 50 ms-1
vi. Which one of the following converts light energy into electrical energy?
(a) electric bulb
(b) electric generator
(c) Photocell
(d) Electric cell
vii. When a body is lifted through a height h, the work done on it appears in the form of its:
(a) kinetic energy
(b) potential energy
(c) elastic potential energy
(d) geothermal energy
viii. The energy stored in coal is
(a) heat energy
(b) kinetic energy
(c) chemical energy
(d) nuclear energy
ix. The energy stored in a dam is
(a) electric energy
(b) potential energy
(c) kinetic energy
(d) thermal energy
x. In Einstein's mass-energy equation, c is the
(a) speed of sound
(b) speed of light
(c) speed of electron
(d) speed of Earth
xi. Rate of doing work is called
(a) energy (b) torque
(c) power (d) momentum
Answers of Multiple Choice Questions (MCQs)
i. | (c) | ii. | (c) |
iii. | (c) | iv. | (c) |
v. | (a) | vi. | (c) |
vii. | (c) | viii. | (c) |
ix. | (b) | x. | (b) |
xi. | (c) |
|
|
FBISE Physics MCQs for Class 9 of Unit 7 Properties of Matter
7.1
Encircle the correct answer from the given choices.
i.
In which of the following state molecules do not leave their
position?
a) solid (b)
liquid (c) gas (d) plasma
ii.
Which of the substances is the lightest one?
(a) copper (b)
mercury (c) aluminium (d) lead
iii.
SI unit of pressure is pascal, which is equal to:
(a) 104 Nm-2 (b) 1
Nm-2 (c) 102 Nm-2 (d) 103
Nm-2
iv.
What should be the approximate length of a glass tube to construct a
water barometer?
(a) 0.5 m (b)
1 m (c)
2.5 m (d) 11 m
v.
According to Archimedes, upthrust is equal to:
(a) weight of
displaced liquid
(b) volume of
displaced liquid
(c) mass of
displaced liquid
(d) none of
these
vi.
The density of a substance can be found with the help of:
(a)Pascal's law
(b)Hooke's law
(c) Archimedes
principle
(d)Principle of
floatation
vii.
According to Hooke's law
(a) stress x
strain = constant
(b) stress /
strain = constant
(c) strain /
stress = constant
(d) stress =
strain
The following force-extension graphs of a spring are drawn on the
same scale. Answer the questions given below from (viii) to (x)
viii.
Which graph does not obey Hooke's law?
(a) (b) (c) (d)
ix.
Which graph gives the smallest value of spring constant?
(a) (b) (c) (d)
x.
Which graph gives the largest value of spring constant
(a) (b) (c) (d)
Answers to
Multiple Choice Questions (MCQs)
|
i. |
(a) |
ii. |
(c) |
|
iii. |
(b) |
iv. |
(d) |
|
v. |
(a) |
vi. |
(c) |
|
vii. |
(b) |
viii. |
(c) |
|
ix. |
(d) |
x. |
(a) |
FBISE Physics MCQs for Class 9 of Unit 8 Thermal Properties of Matter
8.1
Encircle the correct answer from the given choices.
i
Water freezes at
(a) 0°F (b)
32 °F (c) - 273
K (d) 0 K
ii
Normal human body temperature is
(a) 15°C (b) 37°C (c)
37 °F (d) 98.6°C
iii
Mercury is used as thermometric material because it has
(a) uniform thermal expansion
(b) low freezing point
(c) small heat capacity
(d) all the above properties
iv
Which of the following material has large specific heat?
(a) copper (b) ice (c)
water (d) mercury
v
Which of the following material has large value of temperature coefficient
of linear expansion?
(a) aluminium (b) gold (c) brass (d) steel
vi
What will be the value of β for a solid for which α has a value of 2x10-5
K-1 ?
(a) 2x10-5 K-1 (b) 6x10-5 K-1 (c)
8x10-15 K-1 (d) 8x10-5 K-1
vii
A large water reservoir keeps the temperature of nearby land
moderate due to
(a) low temperature of water
(b) low specific heat of water
(c) less absorption of heat
(d) large specific heat of water
viii
Which of the following affects evaporation?
(a) temperature (b)
surface area of the liquid
(c) wind (d)
all of the above
Answers of
Multiple Choice Questions (MCQs)
|
i. |
(b) |
ii. |
(b) |
|
iii. |
(d) |
iv. |
(c) |
|
v. |
(a) |
vi. |
(b) |
|
vii. |
(d) |
viii. |
(d) |
FBISE Physics MCQs for Class 9 of Unit 9 Transfer of Heat
9.1
Encircle the correct answer
from the given choices:
i
In
solids, heat is transferred by:
(a) radiation
(b) conduction
(c) convection
(d) absorption
ii
What
happens to the thermal conductivity of a wall if its thickness is doubled?
(a) becomes
double
(b) remains the
same
(c) becomes
half
(d) becomes one
fourth
iii
Metals
are good conductor of heat due to the:
(a) free electrons
(b) big size of their molecules
(c) small size of their molecules
(d) rapid vibrations of their atoms
iv
In
gases, heat is mainly transferred by
(a) molecular collision
(b) conduction
(c) convection
(d) radiation
v
Convection
of heat is the process of heat transfer due to the:
(a) random motion of molecules
(b) downward movement of molecules
(c) upward movement of molecules
(d) free movement of molecules
vi
False
ceiling is done to
(a) lower the height of ceiling
(b) keep the roof clean
(c) cool the room
(d) insulate the ceiling
vii
Rooms
are heated using gas heaters by
(a) Conduction only
(b) Convection and radiation
(c) Radiation only
(d) Convection only
viii
Land
breeze blows from
(a) sea to land during night
(b) sea to land during the day
(c) land to sea during night
(d) land to sea during the day
ix
Which
of the following is a good radiator of heat?
(a) a shining silvered surface
(b) a dull black surface
(c) a white surface
(d) green coloured surface
Answers of
Multiple Choice Questions (MCQs)
|
i. |
(b) |
ii. |
(c) |
|
iii. |
(a) |
iv. |
(c) |
|
v. |
(d) |
vi. |
(d) |
|
vii. |
(b) |
viii. |
(c) |
|
ix. |
(a) |
|
|
FBISE Physics MCQs for Class 10
FBISE Physics MCQs for Class 10 of Unit 10 Simple Harmonic Motion and Waves
1.1
Choose the correct answer from the following choices:
i
Which
of the following is an example of simple harmonic motion?
a.
the
motion of simple pendulum
b.
the
motion of ceiling fan
c.
the
spinning of the Earth on its axis
d.
a
bouncing ball on a floor
ii
If
the mass of the bob of a pendulum is increased by a factor of 3, the period of
the
pendulum's motion will
a.
be
increased by a factor of 2
b.
remain
the same
c.
be
decreased by a factor of 2
d.
be
decreased by a factor of 4
iii
Which
of the following devices can be used to produce both transverse and
longitudinal waves?
(a) a string (b)
a ripple tank
(c) a helical
spring (slinky) (d)
a tuning fork
iv
Waves
transfer
(a) energy (b) frequency (c) wavelength (d) velocity
v
Which
of the following is a method of energy transfer?
(a) conduction (b) radiation (c) wave motion (d) all of these
vi
In a
vacuum, all electromagnetic waves have the same
(a) speed (b) frequency (c) amplitude (d) wavelength
vii
A
large ripple tank with a vibrator working at a frequency of 30 Hz produces 25
complete waves in a distance of 50
cm. The velocity of the wave is
(a) 53 cm s-1
(b) 60 cm s-1 (c) 750 cm s-1 (d) 1500 cm s-1
viii
Which
of the following characteristics of a wave is independent of the others?
(a) speed (b)
frequency (c) amplitude (d) wavelength
ix
The
relation between v, f and λ of a wave is
(a) v f = λ (b)
f λ = v (c) v λ = f (d) v = λ / f
Answers of (MCQs)
|
i. |
(a) |
ii. |
(b) |
|
iii. |
(c) |
iv. |
(a) |
|
v. |
(d) |
vi. |
(a) |
|
vii. |
(b) |
viii. |
(c) |
|
ix. |
(b) |
|
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