Physics GCSE AQA Unit 1 quiz

Descrição

Unit 1 quiz (in progress) that tests all the different topics.
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Quiz por Adorkable_dreamer, atualizado more than 1 year ago
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Criado por Adorkable_dreamer quase 10 anos atrás
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Resumo de Recurso

Questão 1

Questão
Which state does conduction occur in?
Responda
  • Solids
  • Liquids
  • Gases

Questão 2

Questão
Do black, matt objects absorb better than light, shiny objects?
Responda
  • True
  • False

Questão 3

Questão
Condensation is faster if...?
Responda
  • Temperature of the gas is higher.
  • Gas has a higher density.

Questão 4

Questão
Non-metals conduct better than metals?
Responda
  • True
  • False

Questão 5

Questão
In evaporation what happens to the overall energy and speed of the particles?
Responda
  • Overall energy and speed of particles decreases as particles evaporate
  • Overall energy and speed of particles stays the same as particles evaporate
  • Overall energy and speed of particles increases as particles evaporate

Questão 6

Questão
Evaporation is the change of state from a liquid to gas?
Responda
  • True
  • False

Questão 7

Questão
In a vacuum flask, which two features are used to prevent conduction?
Responda
  • Cao made of plastic and filled with cork.
  • Silver lining.
  • Insulation foam supporting the bottle.

Questão 8

Questão
In a cold climate, do animals have large ears or small ears to prevent heat loss?
Responda
  • Large ears
  • Small ears

Questão 9

Questão
If the intial cost of loft insulation is £100 and the annual saving is £20, how many years will the payback time take?
Responda
  • 4 years
  • 200 years
  • 5 years

Questão 10

Questão
U-Values show how slow heat transfers through a material
Responda
  • True
  • False

Questão 11

Questão
Which two methods of insulation reduce heat transfer by conduction and convection
Responda
  • Thick curtains
  • Cavity wall insulation
  • Hot water tank jacket

Questão 12

Questão
The principal of conservation of energy means that energy cannot be created or destroyed.
Responda
  • True
  • False

Questão 13

Questão
What is the efficiency of an energy-saving lightbulb that converts 60J of energy into 40J of light energy
Responda
  • 1.5
  • 3
  • 20

Questão 14

Questão
Carbon dioxide can be 'captured' before it is released from burning fossil fuels and pumped into oil and gas fields beneath the sea.
Responda
  • True
  • False

Questão 15

Questão
What do transformers do when transferring electricity from the National Grid to consumers?
Responda
  • Maintain the voltage of electricity.
  • Increase the voltage so that current is decreased whilst transferring electricity through pylons and then decrease to lower voltages for consumers.

Questão 16

Questão
What two ways provide energy during peak demands of electricity?
Responda
  • Carbon capture fields.
  • pumped storage systems such as that of a hyrdroelectric power
  • Biofuel from vegetable oils.

Questão 17

Questão
Underground cables have a higher set-up cost than overhead cables but are less reliable and harder to access.
Responda
  • True
  • False

Questão 18

Questão
What is the order of the Electromagnetic spectrum?
Responda
  • Radio, Microwaves Infra-red, Visible light, Ultraviolet, X-rays, Gamma rays.
  • Microwaves, Visible light, Ultraviolet, X-rays, Radio, Gamma rays.

Questão 19

Questão
All waves travel at the same speed through a vacuum
Responda
  • True
  • False

Questão 20

Questão
Transverse waves are?
Responda
  • Perpendicular to the direction of energy transfer
  • parallel to the direction of energy transfer

Questão 21

Questão
Longitudinal waves show areas of compression and rarefraction?
Responda
  • True
  • False

Questão 22

Questão
What is the formula for wave speed?
Responda
  • Wave speed = frequency x wavelength
  • Wave speed = frequency divided by wavelength

Questão 23

Questão
The angle of incidence is equal to the angle of reflection?
Responda
  • True
  • False

Questão 24

Questão
When waves diffract,, how big will the diffraction be if the gap is slightly wider than the wavelength?
Responda
  • Diffracts only at edges.
  • Little diffraction
  • Maximum diffraction

Questão 25

Questão
Waves only defract if they meet a new medium at an angle
Responda
  • True
  • False

Questão 26

Questão
If a wave is travelling along the normal, the speed changes and the wave is defracted.
Responda
  • True
  • False

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