Exam (elaborations)
AQA Physics Paper 1 Q&A 2023
- Course
- AQA Physics 2023
- Institution
- AQA Physics 2023
AQA Physics Paper 1 Q&A 2023
[Show more]
Content preview
AQA Physics Paper 1 Q&A 2023sound energy - ✔️ Energy caused by an object's vibrations
thermal energy - ✔️ The total energy of motion in the particles of a
substance
chemical energy - ✔️ A form of potential energy that is stored in chemical
bonds between atoms.
nuclear energy - ✔️ the potential energy stored in the nucleus of an atom
electrical energy - ✔️ Energy caused by the movement of electrons.
light energy - ✔️ Energy in the form of moving waves of light
kinetic energy - ✔️ energy of motion
gravitional potential energy - ✔️ potential energy that depends on the
height of an object
elastic potential energy - ✔️ the energy of stretched or compressed objects
conservation of energy - ✔️ law that says energy cannot be created or
destroyed, but can change forms
uses of friction - ✔️ - rubbing hands for warmth
- break pads on bikes
Efficiency = - ✔️ Useful Energy Output / Total Energy Input
Increase efficiency - ✔️ - add lubricant
- reduce friction
internal energy - ✔️ the sum of the kinetic and potential energies of all
particles in the system
, Conduction - ✔️ The direct transfer of heat from one substance to another
substance that it is touching.
Convection - ✔️ The transfer of thermal energy by the circulation or
movement of a liquid or gas
convection current - ✔️ a current caused by the rising of heated fluid and
sinking of cooled fluid
Insulator - ✔️ A material that does not allow heat or electrons to move
through it easily.
Infra red radiation - ✔️ Electromagnetic waves of heat energy.
Radiation - ✔️ Energy that is radiated or transmitted in the form of rays or
waves or particles.
greenhouse effect - ✔️ CO2 and other greenhouse gases in the atmosphere
absorb long wavelength radiation radiated from the Earth's surface and
prevent it escaping.
black - ✔️ good absorber of radiation
white - ✔️ poor absorber of radiation
specific heat capacity - ✔️ the energy required to raise the temperature of
one gram of a substance by one degree Celsius
Reduce heat loss from homes - ✔️ - loft insulation (fibre glass is a good
insulator)
- cavity wall insulation (foam prevents convection currents)
- aluminum foil behind radiator (reflects radiation)
- double glazing (vacuum slows conduction and radiation)
energy transfer - ✔️ power x time
non-renewable energy - ✔️ A natural resource such as coal, gas, or oil that,
once consumed, cannot be replaced.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Firstrate. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for CA$18.17. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73314 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now