BARU
Ukuran huruf
Lembar kerjaPhysic Quiz
Total soal: 15
Worksheet time: 15mins
A car is moving along a straight, level road, with a constant acceleration.
Which graph shows the motion of the car?
A car takes 15 minutes to travel along a road that is 20 km long.
What is the average speed of the car?
0.75 km / h
5.0 km / h
80 km / h
300 km / h
An empty beaker is placed on a top-pan balance. Some water is now poured into the beaker.
What is the weight of the water?
0.044 kg
0.168 kg
0.0044 N
0.44 N
The diagram shows some liquid in a measuring cylinder.
The mass of the liquid is 16 g.
What is the density of the liquid?
0.80 g / cm 3
1.25 g / cm 3
36 g / cm 3
320 g / cm 3
Which energy resource is not renewable?
fossil fuel
sunlight
tides
wind
A wooden wheel can be strengthened by putting a tight circle of iron around it.
Which action would make it easier to fit the circle over the wood?
cooling the iron circle
heating the iron circle
heating the wooden wheel and cooling the iron circle
heating the wooden wheel but not heating or cooling the iron circle
A liquid is heated and it expands.
How does this lead to the formation of a convection current?
The density of the heated liquid decreases.
The density of the heated liquid increases.
The mass of the heated liquid molecules decreases.
The mass of the heated liquid molecules increases.
Which metal is used for the core of an electromagnet?
copper
iron
magnesium
steel
A student measures the potential difference across a device and the current in the device.
Which calculation gives the resistance of the device?
current + potential difference
current ÷ potential difference
potential difference ÷ current
potential difference × current
In which situation is the wavelength of the wave changed?
light from the Sun passing from air into water
radio waves travelling from an Earth satellite to the Moon
sound reflecting from a wall
water waves passing through a narrow gap
Scout P signals to scout Q on the other side of a valley by using a mirror to reflect the Sun’s light.
Which mirror position allows the Sun’s light to be reflected to scout Q?
An electrical device changes the voltage of an electrical supply from 240 V a.c. to 20 V a.c.
What is this device?
a generator
a relay
a transformer
a voltmeter
Which statement about α-particles and β-particles is correct?
α-particles are less ionising than β-particles.
α-particles are more penetrating than β-particles.
α-particles have greater mass than β-particles.
α-particles have the same charge as β-particles.
An explosion in a nuclear reactor spread the isotope caesium-137 across a large area.
Ninety years after the explosion, the quantity of caesium-137 present will be 12.5% of its original level.
What is the half-life of caesium-137?
11.25 years
22.5 years
30.0 years
45.0 years
A student sets up this circuit.
What is the purpose of the circuit?
to allow a lamp to be made dimmer or brighter as required
to amplify the sound of a voice
to light a lamp in the dark
to sound a bell when the temperature rises
