AQA A-Level Physics Paper 3 100+ ( A+ Verified) Exam Questions Verified Solutions Correct Answer Keys

AQA A-LEVEL PHYSICS
PAPER 3

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, Question 1
What would happen to light in Young's double slit experiment according to Newton?
Correct Answer
corpuscles would pass straight through slits

Question 2
Which has the larger specific charge? [hydrogen ion/electron]
Correct Answer
electron


Question 3
What is the equation for proper length?
Correct Answer
Lₒ = vt

Question 4
What is the first postulate of special relativity?
Correct Answer
the laws of physics are the same in every frame of reference

Question 5
How did Hertz measure the speed of radio waves?
Correct Answer
created standing waves to find wavelength

Question 6
What is a quality of cathode ray tubes?
Correct Answer
evacuated


Question 7
What is the work function of a metal?
Correct Answer
amount of energy an electron needs to gain to leave the surface of the metal

Question 8
How does the angle of diffraction for electrons relate to wavelength?
Correct Answer
λ ∝ sinθ





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