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Which measuring instrument can be used to find the volume of a small stone?
The diagrams show speed–time graphs for four different bodies moving for 6.0 s.
Which body travelled the least distance?
Which row shows the mass and the weight of an object near the Earth's surface?
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The diagram shows four pieces of laboratory apparatus.
Which pieces of apparatus are used to find the density of a liquid?
What is the unit for the moment of a force about a point?
On which ball is a non-zero resultant force acting?
Which statements must be correct for an object to be in equilibrium?
1. The object is moving in a straight line.
2. There is no resultant force on the object.
3. There is no resultant moment on the object.
An object falls towards the Earth’s surface.
What happens to the gravitational potential energy and to the kinetic energy of the object?
Which source of energy is not currently used to generate electrical energy?
A mass is lifted from rest on the ground to Y. There is no air resistance.
P is the increase in gravitational energy of the mass.
Q is the kinetic energy of the mass at Y.
Which expression is equal to the mechanical work done on the mass?
A pressure gauge is lowered into the sea. Measurements of the pressure and depth are taken as the pressure gauge is lowered.
Which statement describes how and why the pressure changes as the gauge is lowered?
The pressure of a fixed mass of gas in a cylinder is measured. The volume of the gas in the cylinder is slowly decreased. The temperature of the gas does not change.
Which graph shows how the pressure of the gas changes during this process?
Which statement about the motion of molecules describes the process of evaporation?
The diagram shows a thermometer calibrated in degrees Celsius.
What are the values of the lower fixed point and of the upper fixed point on the Celsius scale?
What happens to a solid when its temperature increases?
Which piece of equipment is designed to produce a type of electromagnetic wave?
Particles can move, transferring thermal energy, as shown. In which states of matter does this movement occur?
The diagram shows plane water waves in a ripple tank passing through a gap between two barriers and spreading out.
Which name is given to this effect?
What are the correct labels for the ray diagram?
The diagram shows an object in front of a plane mirror. At which labelled position is the image of the object formed?
The angle between an incident ray and the surface of a plane mirror reflecting the ray is 70°. What is the angle of incidence?
Visible light has a frequency of approximately $5.0 \times 10^{14}$ Hz.
M and N are two other types of electromagnetic radiation.
The frequency of M is $5.0 \times 10^{6}$ Hz.
The frequency of N is $5.0 \times 10^{15}$ Hz.
Which types of radiation are M and N?
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Two students are describing different types of electromagnetic radiation.
student 1 This radiation is used in communications.
student 2 This radiation is used in remote controllers.
Which row shows the possible type of radiation that each student is describing?
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A 100 m race is started by firing a gun. The gun makes a bang and a puff of smoke at the same time.
When does the finishing judge see the smoke and when does he hear the bang?
An electric hairdryer is rated 230 V, 2 A. Which circuit could be used to check that these ratings are correct?
The diagram shows a circuit used to control the potential difference (p.d.) across a lamp.
The variable resistor is adjusted until the p.d. across the lamp is 6.0 V.
The current in the lamp is 0.5 A.
What is the resistance of the lamp?
What are the units of electromotive force (e.m.f.)?
A plastic rod is rubbed with a dry woollen cloth. The rod becomes positively charged.
Which statement is correct?
A circuit containing a cell, a resistor and a lamp is set up as shown.
A student connects a voltmeter to the circuit in one of the positions shown.
In which position does the voltmeter measure the potential difference (p.d.) across the lamp?
The diagram shows a potential divider circuit.
The temperature of the thermistor increases.
What happens to the resistance of the thermistor, and what happens to the reading on the voltmeter?
[Table_1]
A student sets up four circuits using identical batteries and three identical lamps.
In which circuit will all the lamps be the brightest?
Which diagram shows the circuit symbol for a fuse?
If the insulation within a mains cable becomes damaged, two of the wires in it may touch and cause a short circuit.
Which row is correct?
[Table_1]
Four small compasses are placed around a solenoid.
[Image_1: Showing a solenoid with compasses around it]
A current is now switched on in the solenoid.
Which diagram shows possible new directions of the compass needles?
Transformers are used in the transmission of electrical power to houses.
Which type of transformer is used at the power station prior to connection to the power lines and which type is used prior to delivery to the houses?
[Table_1]
The diagrams show the coils of two simple direct current (d.c.) motors. Coil P has three turns of wire and coil Q has two turns. Coil P has the same dimensions as coil Q. The coils are in identical magnet fields.
What produces the greatest turning effect?
[Table_1]
A nuclide of cobalt contains 27 protons and 32 neutrons.
Which symbol represents this nuclide?
Everyone is exposed to background radiation.
What are sources of background radiation?
The diagram shows a piece of apparatus used to determine the nature of the emissions from a radioactive source. The absorbers can be raised out of or lowered into the path of the radiation from the source to the detector. The apparatus is evacuated.
The table gives a set of results for a particular radioactive source.
[Table_1]
Which types of radiation are being emitted by the radioactive source?
The half-life of a sample of radioactive material is 400 years.
How long will it take until only $\frac{1}{4}$ of this sample remains undecayed?