Give an example of ionising radiation
gamma, beta, ultraviolet
RC
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All answers ▸A person swims from a depth of 0.5m to 1.7m below the surface of the sea. Denisty Sea Water = 1030 kg/m^3. g=Gravitational Field Strength = 9.8 N/kg. Calculate the change in pressure on the swimmer and give the unit.
Give two features of polar orbits. Suggest the use of a satellite in a polar orbit.
a )John heats up 2kg of water from 20 degrees c to 80 degrees c. How much energy input did this require? b )When John weighs the water at the end, he has less than he started with. Why might this be? c) What hazards are in this experiment?
What is the difference between alpha and gamma radiation?