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Physics paper 2 Q&A marks schemes 2024
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Physics paper 2 Q&A marks schemes 2024
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Physics paper 2 Q&A marks schemes2024
'a non contact form acts on each magnet' - ANS-magnets aren't touching but both
experience a force
describe how to plot the magnetic field pattern of a bar magnet - ANS-place a compass
near the north pole of the magnet and mark the direction that the compass points move
the compass around the bar magnet to the other pole, marking at intervals the direction
the compass points
join the points up and add an arrow pointing from the north poe to the south pole
explain the effect on the motion of a ball bearing when the switch is closed -
ANS-closing the switch causes a current in the coil
a magnetic field is created
a force of attraction acts on the ball bearing
so the ball bearing accelerates towards the iron nail
force = - ANS-mass x acceleration
transverse wave - ANS-the oscillation/ vibration is perpendicular to the direction of
energy transfer
why is it difficult to make predictions based on some hypothesises - ANS-they don't say
how increasing or decreasing the force increases or decrease the acceleration
list of equipment used in trolley ramp investigation - ANS-newton metre (force)
ticker timer + tape (change in velocity and time)
why use a sloping runway - ANS-reduce effect of friction on trolley
why us the same trolley through the investigation - ANS-so that the mass is constant as
changing the mass would change the acceleration
so there is only one independent variable
highest frequency electromagnetic - ANS-gamma rays
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