Miscellaneous Flashcards
0
Q
3 examples of non-luminous objects?
A
Three, moon, dog
1
Q
3 examples of luminous objects?
A
Glow worms, TV, sun
2
Q
Non luminous objects can be t__________, t___________ or o_____.
A
Transparent, translucent or opaque.
3
Q
What is the speed of light?
A
300,000km/s
4
Q
Describe a convex lense
A
Converges light rays, thicker at the middle
5
Q
Describe a concave lense
A
Diverges light, thicker at the bottoms
6
Q
7 types of radiation? (Hint: song)
A
Radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, gamma rays
7
Q
Examples of 7 types of radiation?
A
Radio waves - am radio Microwaves - microwave oven Infrared radiation - night vision Visible light - rainbow Ultraviolet light - sunlight X-rays - airport security scanner Gamma rays - cancer treatment
