Test
Physics GCSE AQA Unit 1 quiz
Preguntas del test (26)
1Which state does conduction occur in?
- ASolids
- BLiquids
- CGases
2Do black, matt objects absorb better than light, shiny objects?
- AVerdadero
- BFalso
3Condensation is faster if...?
- ATemperature of the gas is higher.
- BGas has a higher density.
4Non-metals conduct better than metals?
- AVerdadero
- BFalso
5In evaporation what happens to the overall energy and speed of the particles?
- AOverall energy and speed of particles decreases as particles evaporate
- BOverall energy and speed of particles stays the same as particles evaporate
- COverall energy and speed of particles increases as particles evaporate
6Evaporation is the change of state from a liquid to gas?
- AVerdadero
- BFalso
7In a vacuum flask, which two features are used to prevent conduction?
- ACao made of plastic and filled with cork.
- BSilver lining.
- CInsulation foam supporting the bottle.
8In a cold climate, do animals have large ears or small ears to prevent heat loss?
- ALarge ears
- BSmall ears
9If the intial cost of loft insulation is £100 and the annual saving is £20, how many years will the payback time take?
- A4 years
- B200 years
- C5 years
10U-Values show how slow heat transfers through a material
- AVerdadero
- BFalso
11Which two methods of insulation reduce heat transfer by conduction and convection
- AThick curtains
- BCavity wall insulation
- CHot water tank jacket
12The principal of conservation of energy means that energy cannot be created or destroyed.
- AVerdadero
- BFalso
13What is the efficiency of an energy-saving lightbulb that converts 60J of energy into 40J of light energy
- A1.5
- B3
- C20
14Carbon dioxide can be 'captured' before it is released from burning fossil fuels and pumped into oil and gas fields beneath the sea.
- AVerdadero
- BFalso
15What do transformers do when transferring electricity from the National Grid to consumers?
- AMaintain the voltage of electricity.
- BIncrease the voltage so that current is decreased whilst transferring electricity through pylons and then decrease to lower voltages for consumers.
16What two ways provide energy during peak demands of electricity?
- ACarbon capture fields.
- Bpumped storage systems such as that of a hyrdroelectric power
- CBiofuel from vegetable oils.
17Underground cables have a higher set-up cost than overhead cables but are less reliable and harder to access.
- AVerdadero
- BFalso
18What is the order of the Electromagnetic spectrum?
- ARadio, Microwaves Infra-red, Visible light, Ultraviolet, X-rays, Gamma rays.
- BMicrowaves, Visible light, Ultraviolet, X-rays, Radio, Gamma rays.
19All waves travel at the same speed through a vacuum
- AVerdadero
- BFalso
20Transverse waves are?
- APerpendicular to the direction of energy transfer
- Bparallel to the direction of energy transfer
21Longitudinal waves show areas of compression and rarefraction?
- AVerdadero
- BFalso
22What is the formula for wave speed?
- AWave speed = frequency x wavelength
- BWave speed = frequency divided by wavelength
23The angle of incidence is equal to the angle of reflection?
- AVerdadero
- BFalso
24When waves diffract,, how big will the diffraction be if the gap is slightly wider than the wavelength?
- ADiffracts only at edges.
- BLittle diffraction
- CMaximum diffraction
25Waves only defract if they meet a new medium at an angle
- AVerdadero
- BFalso
26If a wave is travelling along the normal, the speed changes and the wave is defracted.
- AVerdadero
- BFalso
Información
- Descripción
- Unit 1 quiz (in progress) that tests all the different topics.
- Autor
- Adorkable_dreamer
- Idioma
- English
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