Flashcards
Unit 1.3 Light
Flashcards do conjunto (18)
- 1What is light?A form of energy called Electro-magnetic radiation.
- 2Name three things happens to light when its hit to a surface?-goes through it
-reflects of it
-gets absorbed - 3How does light travel?travels through an empty space in a vacuum.
- 4What is an similarity of an electromagnetic wave and a sound wave?They travel in a wave length.
- 5What is an difference of an electromagnetic wave and a sound wave?Sound waves need air to travel.
- 6What is refraction?The bending of light.
- 7How do you see a tree or any other object?Light from the sun is reflected of it and to your eyes.
- 8Does light travel the same in every object?No it doesn't in every object.
- 9What is a refractive index?Its a measuring scale on how light travels.
- 10What is the speed of light (km/s) through a diamond?124,000 kilometers in 1 second.
- 11What is the speed of light(km/s) through air?300,000 kilometers in 1 second.
- 12What happens to light as the refractive index becomes higher?The light slows down.
- 13Is a star luminous or non-luminous?A star is luminous
- 14Is Venus the planet luminous or non-luminous?Venus the planet is Non-luminous
- 15Is a basketball transparent, translucent or opaque?A basketball is opaque.
- 16Is air transparent, translucent or opaque?Air is transparent.
- 17What is the refractive index for water?The refractive index for water is 1.33
- 18What is the refractive index for ice?The refractive index is for ice is 1.31
Informações
- Descrição
- FlashCards sobre Unit 1.3 Light, criado por Burhan Igdeli em 01-08-2016.
- Criado por
- Burhan Igdeli
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