2 1. In 1926, Michelson was able to meacertain the speed of light utilizing A lanterns B stars. C mirrors D sunlight.
3 2. To calculate the frequency of an electromagnetic wave, you must understand the speed of the wave and its A wavelength. B intensity. C refractivity D amplitude.
4 3. Due to the fact that light travels in a right line and casts a shadow, IsaacNewton hypothesized that light is A radiation. B a stream of pposts. C a wave. D warmth.
5 4. Electromagnetic waves vary in A the rate they take a trip in a vacuum. B wavesize and also frequency. C the means they reflect. D their direction.
6 5. Light acts prefer A a wave. B a particle. C both a wave and a pwrite-up. D neither a wave nor a pshort article.
7 6. Photons travel exterior from a light resource in A a solitary directly line. B increasing intensity. C a little, thick location. D all directions.
8 7. Infrared rays have a much shorter wavelength than A ultraviolet rays. B X-rays. C radar waves. D gamma rays.
9 A Far from the source, pholoads spreview with a tiny location. 8. Which of the adhering to occurs as light travels farther from its source? A Far from the resource, pholots spread via a tiny location. B The intensity of light rises as pholoads move away from the resource. C The resource gives off much less light as pholots move amethod from it. D Farther from the resource, pholoads spcheck out over a larger location.
10 9. The waves via the longest wavelengths in theelectromagnetic spectrum are A infrared rays. B radio waves. C gamma rays. D X-rays.
11 10. A translucent product A scatters some light. B transmits all light. C absorbs all light. D shows all light.
12 11. Cellular telephones make use of A radar waves. B incredibly high frequency waves. C extremely low frequency waves. D microwaves.
13 12. The visible light spectrum arrays betweenA radar waves and X-rays. B tv waves and infrared rays. C infrared rays and ultraviolet rays. D ultraviolet rays and gamma rays.
14 13. Which of the following occursas a light wave bends once it passes from one medium into another? A constructive interference B refraction C terrible interference D reflection
15 14. A material that shows orabsorbs every one of the light that strikes it is A translucent B opaque C black D white
16 15. In order of boosting frequency,the electromagnetic waves are radio waves, infrared waves, A microwaves, visible light, X-rays and also gamma rays B visible light, UV rays, X-rays and also gamma rays C gamma rays, X-rays, UV rays and also visible light D gamma rays, X-rays, visible light and UV rays
17 16. Objects appear fuzzy with a product that is A transparent B translucent C opaque D polarized
18 17. Microwaves and also radar are examples of A infrared waves B radio waves C X-rays D UV rays
19 Answer Key C 7. C 13. B A 8. D 14. B B 9. B 15. B B 10. A 16. BC11. D17.
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B D12. C