BTEC APPLIED SCIENCE UNIT 5 PHYSICS COMPREHENSIVE QUESTIONS AND VERIFIED

BTEC APPLIED SCIENCE UNIT 5 PHYSICS
COMPREHENSIVE QUESTIONS AND
VERIFIED ANSWERS 2026(GRADED A+)
DETAILED ANSWERS.




What are the standard units of mass, length and time? - CORRECT ANSWER (S) -

Kilograms, meters and seconds




What are the SI prefixes for 10^3, 10^6 and 10^9? - CORRECT ANSWER (S) -kilo,

mega, giga




What are the SI prefixes for 10^-3, 10^-6 and 10^-9? - CORRECT ANSWER (S) -milli,

micro, nano

, What is work done? - CORRECT ANSWER (S) -The energy transferred in moving

something




What is power? - CORRECT ANSWER (S) -the rate at which work is done




What happens to a gas when it is compressed? - CORRECT ANSWER (S) -Particles

get closer together


Gas pressure increases


More collisions between particles and container


Temperature of gas rises




How do you calculate work done from a P-V graph? - CORRECT ANSWER (S) -The

area under the graph




What is efficiency? - CORRECT ANSWER (S) -the percentage of the work input that

becomes useful work output