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ExploringSpace
Radiation and Light Waves
Question | Answer |
---|---|
What is the light and energy leaving a star called? | radiation |
Radiation is sent from one place to another by .............. waves. | electromagnetic |
The fastest speed in the universe is the speed of ....... | light |
Radiation is a type of ....... | energy |
The electromagnetic ............... organises waves according to their wave length. | spectrum |
A shorter wave length = a higher ......... | frequency |
.............. telescopes use light to make magnified pictures. | optical |
What kind of telescope uses a convex lens? | refracting |
A reflecting telescope uses a curved ......... | mirror |
What type of telescope uses a large dish to receive electromagnetic waves? | radio |