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Describe how to investigate the reflection of light by a plane mirror.
Calculate the wavelength of a sound wave of frequency 680 Hz in air (speed 340 m/s).
Explain why microwaves are used for satellite communication.
Explain how a perfect black body absorbs and emits radiation.
Describe how a lens can be used to form a magnified image and give one use.
Calculate the speed of a wave with frequency 50 Hz and wavelength 6.8 m.
Compare alpha, beta and gamma radiation.
Calculate the kinetic energy of a 1200 kg object moving at 15 m/s.
Describe the life cycle of a star much larger than the Sun.
Calculate the speed of a wave with frequency 4e+14 Hz and wavelength 7.5e-07 m.
A sample has an activity of 800 Bq. Calculate its activity after 3 half-lives.
Calculate the kinetic energy of a 0.16 kg object moving at 30 m/s.
Explain how red-shift provides evidence for the Big Bang theory.
Compare transverse and longitudinal waves, with an example of each.
A sample has an activity of 6400 Bq. Calculate its activity after 4 half-lives.
Calculate the kinetic energy of a 75 kg object moving at 8 m/s.
Explain how a satellite can stay in a stable circular orbit.
Describe how to measure the speed of water waves in a ripple tank.
Complete the decay equation for uranium-238 decaying by alpha emission to thorium (Th).
Calculate the gain in gravitational potential energy when a 60 kg object is lifted 12 m. (g = 9.8 N/kg)
Name two types of object in our solar system other than planets.
Explain why light refracts when it enters glass from air.
Explain the difference between contamination and irradiation.
Calculate the gain in gravitational potential energy when a 2.5 kg object is lifted 4.2 m. (g = 9.8 N/kg)
Explain what dark matter is and why scientists think it exists.
Give one use and one hazard of each of: ultraviolet and X-rays.
Explain why gamma emitters are used as medical tracers but alpha emitters are not.
A motor transfers 450 J of useful energy for every 600 J supplied. Calculate its efficiency.
Explain why a main sequence star is stable.
Explain how ultrasound is used to measure the depth of the sea.
Which radiation is a high-energy electromagnetic wave?
Finished?
Answer every question to finish (31 left), or finish when the time’s up.
Score 0 / 90 · 0 of 31 marked
This paper is written by Plasmo in the style of the OCR GCSE Physics exam. It is not a past paper and is not produced or endorsed by the exam board.