Optics & Color
When entering glass, the normal ray inside the glass is smaller than the ray outside the glass. True or False?
What is True?
The large number of _________ makes copper a good conductor.
What is free electrons?
A photon is scattered after interacting with another photon in a phenomenon called Compton scattering.
What is False?
The field of physics that studies atomic nuclei.
What is nuclear physics?
Nuclear energy is only used for making bombs. True or False?
What is False?
The bending of a wave as it goes from one material to another.
What is Refraction?
In fiber-optics, _______ is used to transmit information.
What is light?
What has the opposite electrical charge of matter?
What is Antimatter?
When an unstable element changes to a stable element we call this...
What is radioactive decay?
A cellphone turns your voice into what?
What is an electrical signal?
Why does white light separate into the colors of the rainbow when shone into a prism?
What is different colors have different wavelengths? When refracted, the colors disperse and you are able to see the different colors that make up white light.
A Byte consists of how many bits?
The diameter of the nucleus of an atom is the same as the size of the wavelength of what?
What is gamma rays?
Splitting larger atoms into two or more other atoms.
What is fission?
What do converging lenses do with rays of light?
What is bring the light to a single focal point?
What part of the eye is equivalent to the aperture of a camera lens?
What is the pupil?
A semiconductor device that can amplify electrical signals.
What is the MOSFET (metal-oxide-semiconductor field-effect transistor)?
What color do Oxygen atoms glow in an aurora?
What is red?
Brings together two or more atoms to create a larger atom.
What is Fusion?
What are the 4 fundamental forces?
What is gravity, electromagnetic, strong force and weak force?
When waves cancel each other out, this is called?
What is destructive interference?
The power distribution type that uses heat produced during atomic fission to boil water and produce pressurized steam.
What is Nuclear power reactors?
What medical imaging uses antimatter to observe metabolic processes?
What is PET scan?
Energy and time cannot both be precisely known according to what principle?
What is the Heisenberg Uncertainty Principle?
What is the F# of a lens with a focal length of 10 mm and a diameter of 1 mm?
What is 10? (F# = 10mm/1mm = 10)