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Quarter 2 - Summative Activity
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Which type of UV causes wrinkles?
UV-A
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What kind of mirror is used in cars to give the driver a wider area and smaller image of traffic behind him?
Convex
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Which of the following medical processes uses gamma rays to treat cancer patients?
Gamma Radiation
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When parallel rays of light strike a concave mirror, where do they appear to converge after reflection?
At the Focus
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In a convex mirror, how does the size of the image compare to the size of the object?
Smaller
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Which electromagnetic wave has the highest energy?
Gamma Ray
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Which type of UV causes sunburn?
UV-B
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What type of mirror do dentists usually use to see our teeth?
Concave
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Which electromagnetic wave has the lowest frequency?
Radiowave
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You found a one-thousand-peso bill within the pages of an old book. Which EM wave will you use to authenticate the bill?
UV -ray
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Which indicate regions of hotter temperature when using infrared?
Red and yellow
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If an object is placed beyond the center of curvature of a concave mirror, what is the type and orientation of the image?
Real and Inverted
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Which set of electromagnetic waves are ionizing?
UV, X-ray, Gamma Ray
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LASER stands for _______________.
Light Amplification by Stimulated Emission of Radiation
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Which color in the visible spectrum has the longest wavelength
Red
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RADAR stands for _______________________.
Radio Detection and Ranging
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Which device converts electrical signal into sound?
Loudspeaker
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What is the type and orientation of the image formed by a plane mirror?
Virtual and Upright
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What type of electromagnetic spectrum is used to detect abnormally high body temperature?
Infrared
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Which electromagnetic wave has the longest wavelength?
Radiowave
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Which type of EM wave is used in cooking?
Microwaves
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