A Level Edexcel Physics Paper 1
3/13/25, 10:36 PM
A Level Edexcel Physics Paper 1 COMPLETE EXAM WITH
QUESTIONS AND CORRECT DETAILED ANSWERS \\ACTUAL
EXAM WITH VERIFIED SOLUTIONS\ ALREADY GRADED A+
BRAND NEW 2024-2025
Terms in this set (206)
F = BILsin(angle)
F = Force
B = Magnetic field
strength (density) I =
Equation for a magnetic field Current
on a wire not at 90 L = length
degrees to the field
Angle at 90 degrees should just use F = BIL as sin90 = 1
therefore cos component will not affect the force
Angle at 0 degrees will be 0 as sin0 = 0
F = BQV
Equation for a magnetic field F = Force
on a moving charge B = Magnetic field
strength (density) Q =
charge
V = velocity
/ 1/28
, A Level Edexcel Physics Paper 1
3/13/25, 10:36 PM
F = BQVsin(angle)
F = Force
B = Magnetic field
strength (density) Q =
Equation for a magnetic field charge
of a moving charge not at 90 V = velocity
degrees to the field
Angle at 90 degrees should just use F = BIL as sin90 = 1
therefore cos component will not affect the force
Angle at 0 degrees will be 0 as sin0 = 0
First Finger Field
Fleming's Left Hand Rule seCond finger
Current thuMb
Motion
Only when objects approach the speed of light do our
Relativistic Effects
observations begin to depart measurably from the
predictions of Newtonian Physics
Muons are created a few kilometers above the earth yet
for the time they should take to get here they would
Muon Decay and Relativistic decay before they hit the surface
Effects
But they do hit the surface, this is due to relativistic
effects as muons are going close to the speed of light
As something that is moving is giving out a wave its
The doppler Effect Model frequency can change as it is being compressed by the
Answer
moving object and therefore to a relative observer the
frequency appears higher
As the universe expands, galaxies are moving away from
Cosmological Red Shift
Model Answer us the relative observer. The light these galaxies give
off it also redshifted so that its wavelength increases
Cosmological Redshift z = ∆Wavelength/Wavelength = Velocity/Speed of light
Equation
If the angle of incidence is greater than the critical angle
Total Internal Reflection no light is refracted out of the medium and all of the light
Model Answer
is reflected back into the medium. All light has been
/ 2/28
, A Level Edexcel Physics Paper 1
3/13/25, 10:36 PM
totally internally reflected
Critical Angle The largest angle as which refraction out of a denser medium is
possible
n = 1/sinc
Critical Angle Equation
n = Refractive
Index c =
critical angle
Measure the angle of incidence of a light ray in a
How to measure the refractive material and then the angle of refraction
index of a material?
use sin1/sinr = n to find the refractive index
If the angle of incidence as it meets the surface is less
than the critical angle, the ray will be refracted into the
How to predict whether total
medium, but some can get reflected, this is know as
internal reflection will
partial internal reflection
happen?
Increasing this will go to total internal reflection.
Use a protractor to ensure
correct angle Place each
How to add vector
components?
vector head to tail
Join the first tail and final head
together to get the resultant
/ 3/28
3/13/25, 10:36 PM
A Level Edexcel Physics Paper 1 COMPLETE EXAM WITH
QUESTIONS AND CORRECT DETAILED ANSWERS \\ACTUAL
EXAM WITH VERIFIED SOLUTIONS\ ALREADY GRADED A+
BRAND NEW 2024-2025
Terms in this set (206)
F = BILsin(angle)
F = Force
B = Magnetic field
strength (density) I =
Equation for a magnetic field Current
on a wire not at 90 L = length
degrees to the field
Angle at 90 degrees should just use F = BIL as sin90 = 1
therefore cos component will not affect the force
Angle at 0 degrees will be 0 as sin0 = 0
F = BQV
Equation for a magnetic field F = Force
on a moving charge B = Magnetic field
strength (density) Q =
charge
V = velocity
/ 1/28
, A Level Edexcel Physics Paper 1
3/13/25, 10:36 PM
F = BQVsin(angle)
F = Force
B = Magnetic field
strength (density) Q =
Equation for a magnetic field charge
of a moving charge not at 90 V = velocity
degrees to the field
Angle at 90 degrees should just use F = BIL as sin90 = 1
therefore cos component will not affect the force
Angle at 0 degrees will be 0 as sin0 = 0
First Finger Field
Fleming's Left Hand Rule seCond finger
Current thuMb
Motion
Only when objects approach the speed of light do our
Relativistic Effects
observations begin to depart measurably from the
predictions of Newtonian Physics
Muons are created a few kilometers above the earth yet
for the time they should take to get here they would
Muon Decay and Relativistic decay before they hit the surface
Effects
But they do hit the surface, this is due to relativistic
effects as muons are going close to the speed of light
As something that is moving is giving out a wave its
The doppler Effect Model frequency can change as it is being compressed by the
Answer
moving object and therefore to a relative observer the
frequency appears higher
As the universe expands, galaxies are moving away from
Cosmological Red Shift
Model Answer us the relative observer. The light these galaxies give
off it also redshifted so that its wavelength increases
Cosmological Redshift z = ∆Wavelength/Wavelength = Velocity/Speed of light
Equation
If the angle of incidence is greater than the critical angle
Total Internal Reflection no light is refracted out of the medium and all of the light
Model Answer
is reflected back into the medium. All light has been
/ 2/28
, A Level Edexcel Physics Paper 1
3/13/25, 10:36 PM
totally internally reflected
Critical Angle The largest angle as which refraction out of a denser medium is
possible
n = 1/sinc
Critical Angle Equation
n = Refractive
Index c =
critical angle
Measure the angle of incidence of a light ray in a
How to measure the refractive material and then the angle of refraction
index of a material?
use sin1/sinr = n to find the refractive index
If the angle of incidence as it meets the surface is less
than the critical angle, the ray will be refracted into the
How to predict whether total
medium, but some can get reflected, this is know as
internal reflection will
partial internal reflection
happen?
Increasing this will go to total internal reflection.
Use a protractor to ensure
correct angle Place each
How to add vector
components?
vector head to tail
Join the first tail and final head
together to get the resultant
/ 3/28
