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WorksheetsSLAAP QUIZ NIGHT PHYSICS
Total questions: 20
Worksheet time: 9mins
The power rating of an electric motor which draws a current of 5 amperes from a 240-volt line is
12.0 kW
1.2 kW
48.0 W
4.8 W
Which of the following explains the appearance of a rainbow in the sky after a rainstorm?
The white clouds are actually prisms composed of different colors.
Sunlight reflected by the ground separates into different colors in the sky.
Raindrops act as prisms that separate sunlight into its components.
None of these
A lemon is colored yellow because
it absorbs only yellow light
it reflects only yellow light
only yellow light can pass through a yellow lemon
only yellow light actually hits the lemon
Which of the following factors is responsible for transmitting waves?
Amplitude
Wavelength
Energy
Mass
In hydroelectric plants, electric energy is generated by
making the water evaporate
distilling the water
changing the water chemically
making use of the power of a waterfall
A pingpong ball and a golf ball are dropped in a vacuum chamber from the same height and at the same time. When they have fallen halfway, they have the same
potential energy
kinetic energy
acceleration
velocity
If a circuit has a voltage of 20 volts and resistance of 10 ohms, the ammeter should be able to read the current as?
0.5 amp
2.0 amp
10 amp
200 amp
Of the following, the particle whose mass is closest to that of the neutron is the
meson
deuteron
neutrino
proton
How many meters will a 2.00-kilogram ball starting from rest fall freely in 1.00 second?
4.90
2.00
9.81
19.6
An object that is black
absorbs black light
reflects black light
absorbs all light
reflects all light
A converging lens produces a real image at a distance of 20 cm for an object located 40 cm in front of the lens. What is the focal length of the lens?
0.50 cm
2.5 cm
13 cm
20 cm
The resultant of a 3-newton and a 4-newton force that act on an object in opposite directions to each other is, in newtons,
0
1
5
7
When waves are refracted, which property changes?
Frequency
Period
Speed
Amplitude
Electrical appliances are usually grounded in order to
maintain a balanced charge distribution
prevent a buildup of heat
run properly using household electricity
prevent a buildup of static charges
You have a rock with a volume of 15cm3 and a mass of 45 g. What is its density?
3.0 g/cm3
675 g/cm3
0.3 g/cm3
6.75 g/cm3
Who is known as the father of modern physics?
Thomas Edison
Galileo Galilei
Nicolas Copernicus
Albert Einstein
Which of the following does not belong to the group?
Cryogenics
Relativity
Solids State Physics
Kinematics
A chunk of granite falls from a cliff that is 320m high. How long will it take the granite to reach the ground?
4s
8s
12s
16s
If there is air resistance, the maximum range of a projectile is achieved if thrown at an angle of elevation of?
90o
60o
45o
30o
Scalar quantities have magnitude but no direction. Which of the following is a scalar quantity?
Displacement
Velocity
Speed
Acceleration
