Physics 3.3 - 3.7

Question 1

Are pressure and volume inversely proportional? (Yes, No)

Answer 1

Yes

Question 2

What is the PV constant

Answer 2

PV constant states that pressure and volume, once multiplied result in a constant value depending on if the pressure is increased by the same amount the volume is decreased vice versa

Question 3

What is the PV = constant formula?

Answer 3

P1V1 = P2V2

Question 4

What do we use the PV = constant formula for?

Answer 4

We use it to solve for unknown variables

Question 5

What is specific heat capacity

Answer 5

Specific heat capacity is the energy required to raise or lower the temperature of a substance of one kilogram by one degree celsius

Question 6

What is the specific heat capacity formula and what does each variable represent and the units its given in?

Answer 6

ΔE = mcΔt where ΔE is the energy required in joules, m is the mass in kilograms, c is the specific heat capacity in joule per kilogram degree celsius, and Δt is the temperature

Question 7

What is conduction?

Answer 7

Conduction is the transfer of heat energy in solids. Particles closer to the heat source gain kinetic energy and bump into the neighbouring particles faster and more often.

Question 8

What is convection

Answer 8

Convection is the transfer of heat energy in fluids (Liquid or gas) where particles closer to the heat source rise up allowing for cooler particles to get heated. The particles that rose up to the top cool down, fall back down to the heat source and the process is repeated

Question 9

What is radiation

Answer 9

Radiation is the transfer of energy through electromagnetic waves such as infrared radiation

Question 10

What is radiation intensity

Answer 10

Radiation intensity is the power of radiation per unit of area

Question 11

What happens to the radiation wavelength of a hotter object?

Answer 11

The wavelength is shorter

Question 12

Does an object emit more radiation when its hot? (yes or no)

Answer 12

Yes

Question 13

What happens to the temperature of an object when the amount of radiation absorbed by the particle is less than what it emits?

Answer 13

Its gaining temperature

Question 14

What happens to the temperature of an object if it emits more radiation than its gaining?

Answer 14

It’s losing temperature

Question 15

What happens to the temperature of an object if it emits the same amount of radiation as its gaining?

Answer 15

It’s temperature doesn’t change