recap Flashcards
(21 cards)
What does GCSE stand for?
General Certificate of Secondary Education
What is the main focus of Paper 1 in GCSE Physics?
Fundamental concepts of Physics
True or False: GCSE Physics Paper 1 includes both theoretical and practical questions.
True
Name three key areas covered in GCSE Physics Paper 1.
- Energy
- Forces
- Waves
Fill in the blank: The study of _______ involves understanding motion and the forces acting upon objects.
Forces
What type of energy is associated with the position of an object?
Potential energy
What is the formula for calculating kinetic energy?
KE = 1/2 mv²
Define ‘wave’ in the context of physics.
A disturbance that transfers energy from one place to another
True or False: Sound waves are an example of longitudinal waves.
True
What is the unit of force in the International System of Units (SI)?
Newton (N)
Fill in the blank: The _______ states that for every action, there is an equal and opposite reaction.
Third law of motion
What does the term ‘energy efficiency’ refer to?
The ratio of useful energy output to total energy input
Name two types of energy resources.
- Renewable
- Non-renewable
What is the principle of conservation of energy?
Energy cannot be created or destroyed, only transformed
Fill in the blank: The speed of light in a vacuum is approximately _______ m/s.
3 x 10^8
What is the relationship between frequency and wavelength in a wave?
Inversely proportional
True or False: All electromagnetic waves travel at the same speed in a vacuum.
True
What is the role of a lens in optics?
To refract light and form images
Name the three primary colors of light.
- Red
- Green
- Blue
What is the term for the bending of light as it passes from one medium to another?
Refraction
Fill in the blank: _______ is the process by which energy is transferred through space without the need for a medium.
Radiation