The distance from the sun to Earth would be
Which phrase best completes the sentence?
O
exactly one light year
O
any number of light years
more than one light year
o less than one light year

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

Who was the first scientist to measure speed as distance over time?