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STEAM - Light and Display Technologies

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