2543919
Beschreibung
Quiz von I M Wilson, aktualisiert more than 1 year ago
|
Erstellt von I M Wilson
vor etwa 9 Jahre
|
|
Frage 1
Frage
What does mechanical mean in terms of waves?
Antworten
-
Requires a substance to travel e.g. air particles
-
Produced by a machine
Frage 2
Frage
Waves can be...
Antworten
-
Reflected, refracted and diffracted
-
Reflected, diffused and compressed
-
Diffracted, reacted, and rarefacted
-
Bent, Bounced and Spread out
Frage 3
Frage
What type of EM wave is used to see broken bones?
Antworten
-
X-rays
-
Visible
-
UV rays
Frage 4
Frage
When light hits a shiny planar surface the path of light leaving the surface is called the...
Antworten
-
reflected ray
-
incident ray
-
virtual image
Frage 5
Frage
Heat can be transferred as what kind of light?
Antworten
-
Infra-red
-
Microwave
Frage 6
Frage
Which type of EM wave can be used for communication on an FM or AM frequency?
Antworten
-
radiowaves
-
infra-red
-
microwaves
-
bluetooth
Frage 7
Frage
The process where hot particles rise, and cool particles sink is called what?
Antworten
-
Convection
-
Conduction
-
Radiation
Frage 8
Frage
What is conduction?
Antworten
-
The transfer of energy through a solid substance
-
The way an orchestra is led
-
The transfer of electricity through a wire
Frage 9
Frage
Which of these is not included in Newton's colour wheel?
Antworten
-
Pink
-
Orange
-
Red
-
Blue
Frage 10
Frage
Coal and oil are the only fossil fuels used for electricity.
Antworten
- True
- False
Frage 11
Frage
Convection is the transfer of heat through a fluid
Antworten
- True
- False
Frage 12
Frage
What three ways can heat be transferred?
Antworten
-
Radiation
-
Convection
-
Conduction
-
Evporation
-
Titration
-
Distillation
Frage 13
Antworten
-
Reflection
-
Refraction
-
Diffraction
Frage 14
Frage
What is unsustainable energy?
Antworten
-
Very inefficient energy.
-
An energy source that will run out.
-
An energy source that doesn't last very long.
-
When too much energy is used.
Frage 15
Frage
What is the unit of measuring frequency?
Antworten
-
Hertz
-
Hurts
-
Amps
-
Voltz
-
Volts
-
Newtons
-
Decibels
Frage 16
Frage
When a spring is stretched out, gravitational potential energy is stored in the coils.
Antworten
- True
- False
Frage 17
Frage
What are the two types of diagrams used when describing energy in an appliance?
Antworten
-
Sankey
-
Energy transfer
-
Efficiency
-
Power rating
Frage 18
Frage
What types of surfaces are the best emitters of radiation?
Antworten
-
Black
-
White
-
Shiny
-
Matte
Frage 19
Frage
Why are metals good electrical conductors?
Antworten
-
Because they are solids.
-
Because they have free electrons.
-
Because they have free ions.
-
Because they are dense.
Frage 20
Frage
Gamma rays have a wavelength between 10^-12 and 10^-15 m.
Antworten
- True
- False
Frage 21
Frage
What surfaces absorb each better?
Antworten
-
Black
-
Matte
-
White
-
Shiny
Frage 22
Frage
What surfaces reflect heat better?
Antworten
-
White
-
Shiny
-
Black
-
Matte
Frage 23
Frage
What are the three standard states of matter?
Antworten
-
Solid
-
Liquid
-
Gas
-
Plasma
-
Fluid
-
Metal
-
Non-metal
Frage 24
Frage
What unit do we use to measure force?
Antworten
-
N
-
N/kg
-
kg
Frage 25
Frage
Wavespeed=
Antworten
-
Hz x m
-
Hz / m
-
m / Hz
-
m x s
-
m / s
Frage 26
Frage
How many volts are in the mains supply in the UK?
Antworten
-
230V
-
240V
-
220V
-
250V
Frage 27
Frage
How do you calculate the energy required to heat up a substance?
Antworten
-
E = m c θ
-
E= (m c) / θ
-
E = m / (c θ)
Frage 28
Frage
What colour is the back of a solar panel and why?
Antworten
-
Black, because it absorbs heat.
-
Black, because it emits heat.
-
Shiny silver, because it reflects the heat back in.
-
Copper, because copper is a good conductor of heat.
Frage 29
Frage
Surfaces that are matte appear shiny when light is shone on them.
Antworten
- True
- False
Frage 30
Frage
Sound travels in longitudinal waves.
Antworten
- True
- False
Frage 31
Frage
A radio transmitter can send a strong signal through a hill.
Antworten
- True
- False
Frage 32
Frage
Diffraction is...
Antworten
-
when waves pass through a gap and spread out.
-
when waves pass through a gap and change direction.
-
when waves meet a gap and are reflected back instead of passing through.
Frage 33
Frage
What is evaporation?
Antworten
-
The process of a liquid becoming a gas.
-
The process of a solid turning straight into a gas (missing out the liquid phase).
-
When a gas becomes a liquid.
Frage 34
Frage
Which of these is the right wavelength for a radio wave?
Antworten
-
1m
-
0.0001m
Frage 35
Frage
The best conductors are...
Antworten
-
dense solid substances.
-
solid metals.
-
most metals and some solutions.
Frage 36
Frage
A solar eclipse happens when...
Antworten
-
the Earth passes between the Sun and the Moon.
-
the Moon passes between the Sun and the Earth
-
the Sun passes between the Moon and the Earth
Frage 37
Frage
The relationship between wavelength and frequency is...
Antworten
-
Directly proportional
-
Inversely proportional
Frage 38
Frage
What is payback time?
Antworten
-
The amount of time needed to earn back the cost of an object from how much it saves per year.
-
The amount of time that an energy saving installation is effective for.
-
The amount of time a power station needs to run for to meet the demand of the National Grid.
Frage 39
Frage
There are 7 colours on Newton's colour wheel.
Antworten
- True
- False
Frage 40
Frage
A new door costs £200. It saves £25 on heating bills every year. How long is the pay back time?
Antworten
-
8 years
-
4 years
-
10 years
Frage 41
Frage
A Sankey diagram shows you the most wasteful appliance in a household.
Antworten
- True
- False
Frage 42
Frage
The transfer of heat through a fluid is known as convection.
Antworten
- True
- False
Frage 43
Frage
Radio waves have the longest wavelength and the highest frequency.
Antworten
- True
- False
Frage 44
Frage
What is refraction?
Antworten
-
When a wave bounces off a surface and some is absorbed.
-
When a wave spreads out through a gap.
-
When a wave enters a different density and changes direction.
Frage 45
Frage
What is the job of the step down transformers in the National Grid.
Antworten
-
To lower the voltage for home use.
-
To bring electricity down from the overhead cables.
-
To lower the current to a safe level.
Frage 46
Frage
Choose the types of energy sources that are renewable.
Antworten
-
Geothermal
-
Biofuels
-
Solar
-
Hydroelectric
-
Tidal
-
Nuclear
-
Wood
-
Coal
-
Oil
-
Gas
Frage 47
Frage
Wood is a renewable energy source.
Antworten
- True
- False
Frage 48
Frage
What are two features of a longitudinal wave that do not occur in a transverse wave?
Antworten
-
Compression and rarefaction.
-
Compression and refraction.
-
Concession and rarefaction.
Frage 49
Frage
An EM wave in a vaccum with a small wave length has what kind of frequency?
Antworten
-
High
-
Low
Frage 50
Frage
What is the name of the network that connects power to the homes and businesses in the UK?
Antworten
-
National Rail
-
British gas
-
National Grid
-
British Power
-
National board of Electric and Power
Frage 51
Frage
Which of these is the correct formula (units only)
Antworten
-
m/s=Hz x m
-
m/s=Hz / s
-
Hz= m/s / m
Frage 52
Frage
Gamma waves have the highest frequency of all the EM waves.
Antworten
- True
- False
Frage 53
Frage
Select the limits of human hearing.
Antworten
-
20 Hz
-
20 000 Hz
-
2 000 Hz
-
200 Hz
-
2 Hz
-
200 000 Hz
Frage 54
Frage
What unit do we use to measure energy?
Antworten
-
J
-
N
-
W
-
Cal
-
K
Frage 55
Frage
What is the correct formula for calculating efficiency?
Antworten
-
(useful energy out / total energy in) x100
-
(useful energy out x 100) / total energy in
-
(total energy in / useful energy out) x 100
-
(total energy in x useful energy out) / 100
Frage 56
Frage
What type of energy is contained within biomass?
Antworten
-
Nuclear
-
Chemical
-
Thermal
Frage 57
Frage
What does a step up transformer do?
Antworten
-
Increases amps
-
Increases volts
-
Increases ohms
Frage 58
Frage
Particles vibrate and knock into the surrounding particles, transferring energy along. This is...
Antworten
-
Conduction
-
Convection
-
Radiation
Frage 59
Frage
What is the frequency of the mains electricity in the UK?
Antworten
-
50Hz
-
5Hz
-
500Hz
-
5000Hz
Frage 60
Frage
What are the three types of ionising radiation in the EM spectrum?
Antworten
-
Alpha
-
Beta
-
Gamma
-
Ultra violet
-
X-ray
-
Nuclear
Frage 61
Frage
Sound travels as a wave.
Antworten
- True
- False
Frage 62
Frage
Sound waves are transverse
Antworten
- True
- False
Frage 63
Frage
Sound waves are mechanical
Antworten
- True
- False
Frage 64
Frage
What is the unit of measurement for frequency?
Antworten
-
Hz
-
db
-
m/s
-
kW
Frage 65
Frage
Why do objects appear smaller underwater?
Antworten
-
Refraction
-
Reflection
-
Diffraction
Frage 66
Frage
P x t =
Antworten
-
E
-
N
-
Q
-
V
Frage 67
Frage
Why do animals in warm climates have big ears?
Antworten
-
To hear predators coming from far away.
-
To increase heat loss (keep cool)
-
To appear taller and more intimidating
Frage 68
Frage
Select the ways of reducing heat loss in a home.
Antworten
-
loft insulation
-
cavity wall insulation
-
water softeners/descalers
-
solar panels
-
double glazing
-
thermostats
Möchten Sie mit GoConqr kostenlos Ihre eigenen Quiz erstellen? eigenen Mehr erfahren.