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Study
STEAM - Light and Display Technologies
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Light is a type of
energy
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What is this effect called?
Sillhouette
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Resolution of a 4k display
4K Ultra HD (2160p): 3840 pixels horizontally by 2160 pixels vertically.
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What screens are used in Iphones nowadays? a.)LCD or b.)LED
LED
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What does "resolution" mean when talking about screens?
the number of pixels the screen can display horizontally and vertically.
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What is a pixel ?
A pixel is a tiny dot of color on a screen
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Resolution of a full hd screen
Full HD (1080p): 1920 pixels horizontally by 1080 pixels vertically.
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What is full form of LED?
Light emitting Diode
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How do we harness solar power
Solar cells/ solar panels
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Give me an example of natural source of light
sun or star or moon
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moon reflects the light from sun ? true or false
true
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How does light travel? a) in a zigzag c) in a straight path b) in a circle
in a straight path
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Why do we see rainbows in the sky sometimes?
Sunlight getting dispersed by the Raindrops
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Can you name some common man-made sources of light in your home?
Common man-made sources of light in your home include light bulbs, lamps, and candles.
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Resolution of a 8k Display
8K Ultra HD (4320p): 7680 pixels horizontally by 4320 pixels vertically.
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What is the one main difference between LED and LCD
LCD has a single panel source, and LED has a multiple diode source
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What energy is converted in a torch ?
Chemical energy in the battery is converted into Light energy
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What is this aspect ratio called?
Portrait
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What is the animal which emits light ?
Fireflies
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What is this aspect ratio called?
Landscape
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The energy which we get from sunlight is called
solar energy
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