Radiation Unit 3.3-3.4

Multiple Choice

Which type of object emits radiation at all time?

• nanoscopic

• microscopic

• macroscopic

• none of the answers are correct

Multiple Choice

The higher the temperature; ___ its particles are moving.

• the faster

• the slower

Match

On the Kelvin Scale

• at 373 K

• at 273 K

• at 0 K

Water Boils

Water Freezes

All thermal motion ceases

• Water Boils

• Water Freezes

• All thermal motion ceases

Multiple Choice

With the Doppler Effect, motion ____ the observer causes a blueshift while motion ____ from an observer causes a redshift.

• away/towards

• towards/away