Lectpharis

Neuroscience approach - ANSWER- biological background, how physical processes in body produce behavior -how nervous system (brain spinal cord, nerve) produce behavior -involuntary processes that take place to keep bodies functioning -physical actions produced by brain Cognitive approach - ANSWER- study of ability to take past/present experiences an

GCSE PHYSICS. SAMPLE EXAM REVISION PRACTICE QUESTIONS WITH CORRECT ANSWERS (2024 UPDATE). Elastic limit - ANSWER- Point beyond which spring becomes permanently stretched therefore the spring will not return to its original length when the force is removed What happens when there is a resultant force which dictates the objects motion - ANSWER- - There is an acceleration What happens when the forces are equal and there is an equilibrium - ANSWER- -It will keep moving at a constant speed ...

AQA PHYSICS GCSE – FORCES. SAMPLE EXAM REVISION PRACTICE QUESTIONS WITH CORRECT ANSWERS (2024 UPDATE). AQA PHYSICS GCSE – FORCES. SAMPLE EXAM REVISION PRACTICE QUESTIONS WITH CORRECT ANSWERS (2024 UPDATE)

GCSE PHYSICS (AQA) END SEMESTER EXAM. ALL EXAM REVISION QUESTIONS AND CORRECT ANSWERS (ALREADY GRADED A+) (2024 UPDATE) 100% GUARANTEED. Induced magnetism - answer- the influence of a permanent magnet's magnetic field on a piece of iron, which makes the iron act like a magnet. Solenoid - answer- a coil of wire with an electric current in it Electromagnet - answer- a solenoid with an iron core Magnetic field lines - answer- imaginary lines used to help visualize a magnetic field Rela...

How does a dc motor work - ANSWER- If a coil is carrying a current in a magnetic field, a force is generated which produces a turning effect Describe the structure of a simple DC motor - ANSWER- Built using a coil of wires that is free to rotate between 2 opposite magnetic poles. When an electric current flows through the coil the coil experiences a force and moves (one side moves up, the other moves down which creates a turning effect) Describe the use of split ring commutators - ANSWER- ...

Gamma rays - ANSWER- Used in medical imaging (radioactive tracers) & medical treatments (radiotherapy), sterilising medical equipment. X-rays - ANSWER- Used in medical imaging & medical treatments (radiotherapy). Ultraviolet rays - ANSWER- Used in tanning beds, energy efficient lightbulbs, security markings. Microwaves - ANSWER- Used in satellite communications (e.g., satellite TV), cooking food. Radio waves - ANSWER- Used in TV and radio broadcasting. Audible range - ANSWER- 20 Hz to 20 ...

PHYSICS GCSE FINAL EXAMINATION. ALL EXAM REVISION QUESTIONS AND CORRECT ANSWERS (ALREADY GRADED A+) (2024 UPDATE) 100% GUARANTEED. Diffuse reflection - ANSWER- if a surface is rough instead of forming an image the reflected light is scattered in all directions Specular reflection - ANSWER- reflection from a smooth flat surface like in a flat mirror Doppler effect - ANSWER- an increase or decrease in the frequency of sound, light or other waves as the source and observer move towards or ...

ENERGY PHYSICS GCSE END YEAR REVISION. ALL EXAM REVISION QUESTIONS AND CORRECT ANSWERS (ALREADY GRADED A+) (2024 UPDATE) 100% GUARANTEED. A machine of power 300 W is on for 10 minutes - ANSWER- 300 W x 600s = 180,000J Time taken or t = - ANSWER- work done / average power or W / P For how long must a 60 W light bulb be on so as to do 9 kj of work? - ANSWER- 9000J / 60W = 150s For how long must a 120W light bulb be on so as to do 6 MJ of work? - ANSWER- 6000000J / 120W = 5000s Efficienc...

GCSE END YEAR PHYSICS EXAM REVISION. ALL FINAL EXAM REVISION QUESTIONS AND CORRECT ANSWERS (ALREADY GRADED A+) (2024 UPDATE) 100% GUARANTEED. Alpha beta and gamma: Structure - ANSWER- Alpha- 2 protons 2 neutrons (nucleus of a helium atom) Beta- Single electron Gamma- Electromagnetic wave Alpha beta and gamma: Charge - ANSWER- Alpha- +2 Beta- -1 Gamma- 0 Alpha beta and gamma: Relative mass - ANSWER- Alpha- High Beta- Low Gamma-No mass Alpha beta and gamma: Speed - ANSWER- Alpha- Up...

END SEMESTER PHYSICS GCSE AQA EXAM REVISION. ALL EXAM REVISION QUESTIONS AND CORRECT ANSWERS (ALREADY GRADED A+) (2024 UPDATE) 100% GUARANTEED. What happens when you hold to opposite poles together - ANSWER- they attract What is a magnetic field - ANSWER- the area around a magnet in which a force acts on a magnetic object or maybe another magnet... What is relationship between size of the magnetic field and force - ANSWER- big field means big force, small field means weak / small force ...