Test
GCSE AQA Physics 1 Quiz
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Preguntas del test (41)
1Convection is the main form of heat transfer in...............?
- ASolids
- BLiquids
- CGases
2The [blank_start]bigger[blank_end] the temperature difference, the faster the heat transfer.
- Abigger
- Bsmaller
3Which of these surfaces are good at absorbing & emitting IR radiation?
- ADark
- BMatt
- CLight
- DShiny
4Conduction is faster in denser solids because the particles are closer together and will collide more often.
- AVerdadero
- BFalso
5Why are metals good conductors?
- ABecause they have free electrons
- BBecause their particles are closer together
- CBecause their particles move faster
6Why does water become less dense when it is heated?
- ABecause the particles gain heat energy and spread apart
- BThe heat makes the particles lighter
- CBecause the particles lose heat energy and spread apart
7The fastest particles are most likely to evaporate, [blank_start]decreasing[blank_end] the average speed of the remaining particles.
- Adecreasing
8The rate of condensation will be faster if.........
- ATemperature of gas is lower
- BTemperature of gas is higher
- CDensity is higher
- DDensity is lower
- EAirflow is less
- FAirflow is greater
9The larger the surface area, the [blank_start]faster[blank_end] the heat transfer.
- Afaster
- Bslower
10Why are the walls of a vacuum flask silvered?
- ATo reduce heat loss by radiation
- BTo reduce heat loss by conduction
- CTo reduce heat loss by convection
11How do you work out payback time?
- AInitial cost / Annual saving
- BAnnual saving / Initial cost
12The better the insulator, the [blank_start]lower[blank_end] the U-value.
- Alower
- Bhigher
13What are the units for Specific Heat Capacity?
- AJ/kg°C
- BJ/kg
- CJ/°C
14Conservation of Energy Principle: Energy can be transferred, stored or dissipated but it can never be [blank_start]created[blank_end] or destroyed.
- Acreated
15Energy is most often lost as......
- AHeat
- BSound
- CKinetic
- DLight
16What are the standard units for electrical energy?
- AkWh
- BJoules
- CWatts
17What effect can access to electricity have on standard of living?
- APublic health
- BCommunications
- CMalnutrition
18Which of these represents the energy transfer when burning a fossil fuel to generate electricity?
- AChemical ---> Heat ---> Kinetic ---> Electrical
- BHeat ---> Kinetic ---> Chemical ---> Electrical
- CChemical ---> Kinetic ---> Heat ---> Electrical
19Which of these renewable energy sources cause permanent damage to the landscape?
- AWind power
- BSolar power
- CHydroelectric power
- DTidal power
20Which of these is the main advantage of HEP?
- ACan store energy
- BLittle environmental impact
- CLow start up costs
21Wave power can be harnessed by using the [blank_start]up and down[blank_end] motion of the waves to drive a generator.
- Aup and down
- Bside to side
- Cup
22Which of these is a major disadvantage of geothermal energy?
- AIt can only be done in a few locations
- BIt is difficult to use the energy
- CIt produces a lot of polluting gases
23Which of these power stations takes the least amount of time to set up?
- ANatural gas
- BOil
- CCoal
- DNuclear
24How do biofuels harm the environment?
- AThey are 'carbon neutral'
- BThey require clearance of large areas of forest
- CThey release a lot of methane when the plants grow
25Where is captured carbon dioxide pumped to in CCS?
- AEmpty gas & oil fields
- BThe ocean
- CThe atmosphere
26What is the National Grid?
- AA system of cables and pylons
- BA system of cables and transformers
- CA system of cables, transformers and power stations
27How can our demand for electricity be reduced?
- AConsumers using more energy-efficient appliances
- BBeing more careful not to waste energy in the home
- COpening more power plants
28Frequency is the number of waves produced in one [blank_start]second[blank_end].
- Asecond
29Sound waves are an example of a transverse wave.
- AVerdadero
- BFalso
30Angle of incidence [blank_start]equals[blank_end] angle of reflection.
- Aequals
31Which of these describe the image in a plane mirror?
- ASame size as object
- BBigger than object
- CVirtual
- DReal
- EUpright
- FUpside down
- GLaterally inverted
32In diffraction, the narrower the gap, the [blank_start]more[blank_end] the wave spreads out.
- Amore
- Bless
33What happens when a wave travels along the normal?
- AIt will change speed but not be refracted
- BIt will change speed and be refracted
34What is the approximate range of wavelengths of electromagnetic waves?
- A10^−15 metres to 10^4 metres
- B10^−4 metres to 10^15 metres
- C10^−6 metres to 10^6 metres
35How are long-wave radio waves (1-10 km) transmitted?
- AThey diffract around the curved surface of the Earth
- BThey are reflected from the ionosphere
36The higher the frequency of a wave, the [blank_start]shorter[blank_end] the wavelength.
- Ashorter
37Which of these are uses of Infrared waves?
- ASatellite communication
- BMobile phones
- CRemote controls
- DOptical fibres
- EPhotography
38The bigger the amplitude, the [blank_start]louder[blank_end] the sound.
- Alouder
39When we look at light from distant galaxies we see the same patterns but at slightly [blank_start]lower[blank_end] frequencies
- Alower
- Bhigher
40The further away a galaxy is, the greater the red-shift.
- AVerdadero
- BFalso
41Which of these describes the Big Bang theory?
- AAll matter & energy compressed into small space which exploded & is still expanding.
- BUniverse has always existed as it is now - expansion can be explained by matter being created.
Información
- Descripción
- GCSE (Physics 1) Physics Test sobre GCSE AQA Physics 1 Quiz, creado por Lilac Potato el 21/05/2016.
- Autor
- Lilac Potato
- Idioma
- English
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- 65
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