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
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
