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The diagram shows an enlarged drawing of the end of a metre ruler. It is being used to measure the length of a small feather. What is the length of the feather?
The diagram shows two objects, X and Y, suspended from identical springs.
The extension of each spring is different.
Which row compares the mass and the weight of the two objects?
A plastic bottle contains 750 cm^3 of oil. The diagram shows the mass of the bottle being measured when it is full and then when it is empty. What is the density of the oil?
The extension–load graph for a spring is shown. The unstretched length of the spring is 15.0 cm. When an object of unknown weight is suspended on the spring, the length of the spring is 16.4 cm. What is the weight of the object?
A student determines the position of the centre of gravity of a piece of card. The diagram shows the equipment that is available. The equipment is not drawn to scale.
Which piece of equipment is \textbf{not} needed?
A cyclist stops his bicycle using the brakes. Which row about energy stores is correct? [Table_1]
A man applies a force of 40 N to push a box along the floor.
How much power is required to push the box 4.0 m in 3.0 seconds?
Four identical submarines, P, Q, R and S, are lowered from one depth to another in water of a constant density.
The initial and final depths of each submarine are shown in the diagram.
Which row is correct for the difference in pressure from the initial to the final depth of each submarine?
Some terms describing changes of state are listed.
1. boiling
2. solidification
3. condensation
4. evaporation
Which two terms identify the same change of state?
Diagram 1 shows apparatus being used to observe smoke particles. Diagram 2 shows how a smoke particle moves randomly.
Why do the smoke particles move randomly?
How is a temperature in degrees Celsius (°C) converted to a temperature in kelvin (K)?
The diagram shows a frictionless piston inside a cylinder. The air inside the cylinder is heated. The piston moves in the direction shown. Which statement about the air inside the cylinder is correct?
What increases when the temperature of a copper block increases?
A textbook gives the description of a thermal process as ‘more-energetic molecules escape from the surface of a liquid which causes the liquid to cool’. Which process is being described?
In which situation is radiation the \textbf{main} method by which energy is transferred?
The diagram represents a wave. Which row gives the wavelength and the amplitude of the wave? [Table_1]
Which row describes a seismic P-wave? [Table_1]
Which diagram shows waves diffracting?
The diagram shows a ray of light in glass incident on the surface between the glass and air.
What happens if the angle of incidence is made larger than the critical angle for the glass?
Red light of frequency 430 \times 10^{12} \text{Hz} has a wavelength of 700 \times 10^{-9} \text{m}.
What is possible for blue light?
Infrared is a useful type of electromagnetic radiation. However, excessive exposure to infrared can cause harmful effects.
Which row gives a use and a harmful effect for infrared?
[Table_1]
The table shows data for the hearing ranges of different animals. Which animal has the most similar hearing range to a human? [Table_1]
Which description of ultrasound is correct?
Which diagram shows the pattern and the direction of the magnetic field lines around a bar magnet?
Which material is a good electrical conductor?
What is an electric current and how is an ammeter positioned in a circuit to measure the current in a resistor? [Table_1]
Which unit is used for the potential difference (p.d.) between two points in an electrical circuit?
The circuit in the diagram contains four switches, $S_1$, $S_2$, $S_3$ and $S_4$. Which three switches must be closed for the heater to work?
The metal case of an electrical appliance is fitted with an earth connection. What is the purpose of this?
A student moves a magnet into a coil, as shown. The voltmeter measures the magnitude of the electromotive force (e.m.f.) induced in the coil. Which quantity does not affect the magnitude of the induced e.m.f.?
A student makes a small d.c. motor. The teacher supplies the following equipment:
• battery
• ammeter
• voltmeter
• coil of wire
• magnets
• resistor
The student is also able to use other equipment if he wishes.
Which equipment must be used?
A simple model of the atom consists of small particles orbiting a central nucleus. Which row is correct? [Table_1]
What is the charge on a proton and what is the charge on a neutron? [Table_1]
An isotope of radon is radioactive. It decays by emitting an $\alpha$-particle. What happens to the nucleus of a radon atom during the emission of the $\alpha$-particle?
The nuclide notation of the isotope strontium-90 is $^{90}_{38}\text{Sr}$. Which statement is correct?
A box is used for storing radioactive sources. What is the best material to use for lining the box to prevent radiation from escaping?
The Earth is a planet that orbits the Sun once in approximately 365 days. What does this enable us to explain?
The radius of the orbit of Venus around the Sun is 110 \times 10^6 \text{ km}.
The radius of the orbit of the Earth around the Sun is 150 \times 10^6 \text{ km}.
The speed of light is 0.30 \times 10^6 \text{ km/s}.
How long does light take to travel from Venus to the Earth when these planets are closest to each other?
What are the three main types of radiation emitted by the Sun?
What is a light-year?