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de Ca 1. What will happen to the waveleng frequencies decrease? A. Decrease B. Increase C. Remains the same D. Increase then decrease 2. What type of energy can you sense with your eyes? A. Electrical energy C. Sound energy B. Light energy D. Thermal energy 3. Which of the following is a proof that light travels in a straight line? A. Formation of clouds C. Formation of colors B. Formation of shadow D. Formation of rainbows 4. Which of the following are the primary colors in the visible light? A. Blue, green, yellow C. Red, orange, blue B. Red, green, blue D. White, black, red 5. In the visible spectrum, which color has the shortest wavelength? A. Blue C. Red B. Violet D. Green



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Sagot :

DreamBoy08idn

Answer:

1.) B.Increase

2.) B.Light Energy

3.) B.Formation of Shadow

4.) B.Red, Green, and Blue

5.) A.Blue/B.Violet

Explanation:

1.) The number of complete wavelengths in a given unit of time is called frequency (f). As a wavelength increases in size, its frequency and energy (E) decrease. From these equations you may realize that as the frequency increases, the wavelength gets shorter. As the frequency decreases, the wavelength gets longer/increase.

2.) What is light energy? Light is a visible form of radiant energy that travels in waves. It is the only form of energy that can be seen by the human eye.

3.) 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.

4.) The three primary colors of light are considered to be red, blue, and green because they are fundamental to human vision.

5.) 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.