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Answer:
1.c
2.d
3.a
4.b
5.a
6.d
7. d
8.d
9. b
10.c
Explanation:
1.red light
On one end of the spectrum is red light, with the longest wavelength. Blue or violet light has the shortest wavelength. White light is a combination of all colors in the color spectrum. It has all the colors of the rainbow.
2. If frequencies of the pure spectral colours increase then their wavelength will decrease.
3.As the frequency decreases, the wavelength gets longer.
4.electromagnetic energy
Explanation: Your eyes sense light which is electromagnetic energy. Your senses of taste and smell detect chemical energy. Other senses respond to mechanical or thermal energy.
5. The amplitude of a wave tells us about the intensity or brightness of the light relative to other light waves of the same wavelength.
6.Violet carries the highest energy among ROYGBIV Colors because it has the highest frequency. The energy of a wave such as light is directly proportional to its frequency. In addition, violet has the shortest wavelength among the ROYGBIV colors. The wavelength, on the other hand, is inversely proportional to energy and frequency.
7.Shadows are evidence of light travelling in straight lines. An object blocks light so that it can't reach the surface where we see the shadow.
8.As opposed to mechanical waves, electromagnetic waves require no material medium for their propagation. Thus, they can pass through empty space and or vacuum. The wave speed of all electromagnetic waves is the same and equal to the speed of light which is approximately equal to 300 000 000 m/s.
9.The colors red, green, and blue are classically considered the primary colors because they are fundamental to human vision.
10.Red, green, violet. Red has a frequency of 480 - 405 THz,
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