Multiple Choice Answers Flashcards
Impulse is equal to…
…The change in momentum
An ideal gas has an absolute temperature T. The average random KE of the molecules of the gas is….
…. Proportional to T.
The entropy of a system…
…is related to the degree of disorder in the system.
Resistance of ideal ammeter…
… zero
Resistance of ideal voltmeter…
…. infinite.
In projectiles (if neglecting air resistance) the two factors that will affect when it hits the ground is….
…. g (gravitational field strength) and height
A unit in which mass defect can be measured is…
… MeVc^-2
What is the unit for the coefficient of volume expansion?
K^-1
The area under a speed-time graph is…
…the distance
As an elevator moves down at a constant speed…
…electrical energy turns into thermal energy.
On an LDR resistance increases…
…with light intensity.
When a nucleus undergoes radioactive beta-plus decay, the change in the number of particle in the universe is…
…2.
