Test
P1 quiz
Preguntas del test (68)
1What does mechanical mean in terms of waves?
- ARequires a substance to travel e.g. air particles
- BProduced by a machine
2Waves can be...
- AReflected, refracted and diffracted
- BReflected, diffused and compressed
- CDiffracted, reacted, and rarefacted
- DBent, Bounced and Spread out
3What type of EM wave is used to see broken bones?
- AX-rays
- BVisible
- CUV rays
4When light hits a shiny planar surface the path of light leaving the surface is called the...
- Areflected ray
- Bincident ray
- Cvirtual image
5Heat can be transferred as what kind of light?
- AInfra-red
- BMicrowave
6Which type of EM wave can be used for communication on an FM or AM frequency?
- Aradiowaves
- Binfra-red
- Cmicrowaves
- Dbluetooth
7The process where hot particles rise, and cool particles sink is called what?
- AConvection
- BConduction
- CRadiation
8What is conduction?
- AThe transfer of energy through a solid substance
- BThe way an orchestra is led
- CThe transfer of electricity through a wire
9Which of these is not included in Newton's colour wheel?
- APink
- BOrange
- CRed
- DBlue
10Coal and oil are the only fossil fuels used for electricity.
- AVerdadero
- BFalso
11Convection is the transfer of heat through a fluid
- AVerdadero
- BFalso
12What three ways can heat be transferred?
- ARadiation
- BConvection
- CConduction
- DEvporation
- ETitration
- FDistillation
13What is this showing?
- AReflection
- BRefraction
- CDiffraction
14What is unsustainable energy?
- AVery inefficient energy.
- BAn energy source that will run out.
- CAn energy source that doesn't last very long.
- DWhen too much energy is used.
15What is the unit of measuring frequency?
- AHertz
- BHurts
- CAmps
- DVoltz
- EVolts
- FNewtons
- GDecibels
16When a spring is stretched out, gravitational potential energy is stored in the coils.
- AVerdadero
- BFalso
17What are the two types of diagrams used when describing energy in an appliance?
- ASankey
- BEnergy transfer
- CEfficiency
- DPower rating
18What types of surfaces are the best emitters of radiation?
- ABlack
- BWhite
- CShiny
- DMatte
19Why are metals good electrical conductors?
- ABecause they are solids.
- BBecause they have free electrons.
- CBecause they have free ions.
- DBecause they are dense.
20Gamma rays have a wavelength between 10^-12 and 10^-15 m.
- AVerdadero
- BFalso
21What surfaces absorb each better?
- ABlack
- BMatte
- CWhite
- DShiny
22What surfaces reflect heat better?
- AWhite
- BShiny
- CBlack
- DMatte
23What are the three standard states of matter?
- ASolid
- BLiquid
- CGas
- DPlasma
- EFluid
- FMetal
- GNon-metal
24What unit do we use to measure force?
- AN
- BN/kg
- Ckg
25Wavespeed=
- AHz x m
- BHz / m
- Cm / Hz
- Dm x s
- Em / s
26How many volts are in the mains supply in the UK?
- A230V
- B240V
- C220V
- D250V
27How do you calculate the energy required to heat up a substance?
- AE = m c θ
- BE= (m c) / θ
- CE = m / (c θ)
28What colour is the back of a solar panel and why?
- ABlack, because it absorbs heat.
- BBlack, because it emits heat.
- CShiny silver, because it reflects the heat back in.
- DCopper, because copper is a good conductor of heat.
29Surfaces that are matte appear shiny when light is shone on them.
- AVerdadero
- BFalso
30Sound travels in longitudinal waves.
- AVerdadero
- BFalso
31A radio transmitter can send a strong signal through a hill.
- AVerdadero
- BFalso
32Diffraction is...
- Awhen waves pass through a gap and spread out.
- Bwhen waves pass through a gap and change direction.
- Cwhen waves meet a gap and are reflected back instead of passing through.
33What is evaporation?
- AThe process of a liquid becoming a gas.
- BThe process of a solid turning straight into a gas (missing out the liquid phase).
- CWhen a gas becomes a liquid.
34Which of these is the right wavelength for a radio wave?
- A1m
- B0.0001m
35The best conductors are...
- Adense solid substances.
- Bsolid metals.
- Cmost metals and some solutions.
36A solar eclipse happens when...
- Athe Earth passes between the Sun and the Moon.
- Bthe Moon passes between the Sun and the Earth
- Cthe Sun passes between the Moon and the Earth
37The relationship between wavelength and frequency is...
- ADirectly proportional
- BInversely proportional
38What is payback time?
- AThe amount of time needed to earn back the cost of an object from how much it saves per year.
- BThe amount of time that an energy saving installation is effective for.
- CThe amount of time a power station needs to run for to meet the demand of the National Grid.
39There are 7 colours on Newton's colour wheel.
- AVerdadero
- BFalso
40A new door costs £200. It saves £25 on heating bills every year. How long is the pay back time?
- A8 years
- B4 years
- C10 years
41A Sankey diagram shows you the most wasteful appliance in a household.
- AVerdadero
- BFalso
42The transfer of heat through a fluid is known as convection.
- AVerdadero
- BFalso
43Radio waves have the longest wavelength and the highest frequency.
- AVerdadero
- BFalso
44What is refraction?
- AWhen a wave bounces off a surface and some is absorbed.
- BWhen a wave spreads out through a gap.
- CWhen a wave enters a different density and changes direction.
45What is the job of the step down transformers in the National Grid.
- ATo lower the voltage for home use.
- BTo bring electricity down from the overhead cables.
- CTo lower the current to a safe level.
46Choose the types of energy sources that are renewable.
- AGeothermal
- BBiofuels
- CSolar
- DHydroelectric
- ETidal
- FNuclear
- GWood
- HCoal
- IOil
- JGas
47Wood is a renewable energy source.
- AVerdadero
- BFalso
48What are two features of a longitudinal wave that do not occur in a transverse wave?
- ACompression and rarefaction.
- BCompression and refraction.
- CConcession and rarefaction.
49An EM wave in a vaccum with a small wave length has what kind of frequency?
- AHigh
- BLow
50What is the name of the network that connects power to the homes and businesses in the UK?
- ANational Rail
- BBritish gas
- CNational Grid
- DBritish Power
- ENational board of Electric and Power
51Which of these is the correct formula (units only)
- Am/s=Hz x m
- Bm/s=Hz / s
- CHz= m/s / m
52Gamma waves have the highest frequency of all the EM waves.
- AVerdadero
- BFalso
53Select the limits of human hearing.
- A20 Hz
- B20 000 Hz
- C2 000 Hz
- D200 Hz
- E2 Hz
- F200 000 Hz
54What unit do we use to measure energy?
- AJ
- BN
- CW
- DCal
- EK
55What is the correct formula for calculating efficiency?
- A(useful energy out / total energy in) x100
- B(useful energy out x 100) / total energy in
- C(total energy in / useful energy out) x 100
- D(total energy in x useful energy out) / 100
56What type of energy is contained within biomass?
- ANuclear
- BChemical
- CThermal
57What does a step up transformer do?
- AIncreases amps
- BIncreases volts
- CIncreases ohms
58Particles vibrate and knock into the surrounding particles, transferring energy along. This is...
- AConduction
- BConvection
- CRadiation
59What is the frequency of the mains electricity in the UK?
- A50Hz
- B5Hz
- C500Hz
- D5000Hz
60What are the three types of ionising radiation in the EM spectrum?
- AAlpha
- BBeta
- CGamma
- DUltra violet
- EX-ray
- FNuclear
61Sound travels as a wave.
- AVerdadero
- BFalso
62Sound waves are transverse
- AVerdadero
- BFalso
63Sound waves are mechanical
- AVerdadero
- BFalso
64What is the unit of measurement for frequency?
- AHz
- Bdb
- Cm/s
- DkW
65Why do objects appear smaller underwater?
- ARefraction
- BReflection
- CDiffraction
66P x t =
- AE
- BN
- CQ
- DV
67Why do animals in warm climates have big ears?
- ATo hear predators coming from far away.
- BTo increase heat loss (keep cool)
- CTo appear taller and more intimidating
68Select the ways of reducing heat loss in a home.
- Aloft insulation
- Bcavity wall insulation
- Cwater softeners/descalers
- Dsolar panels
- Edouble glazing
- Fthermostats
Información
- Descripción
- Series of questions for P1 revision.
- Autor
- I M Wilson
- Idioma
- English
- Visitas
- 605
- Historial
- Creado el 20 abr 2015 · actualizado el 8 feb 2017
- Etiquetas
- Valoración
- 4,4 de 5 · 12 valoraciones Valora este test