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  1. Dictionary
    light
    /lʌɪt/

    noun

    verb

    • 1. provide with light or lighting; illuminate: "the room was lit by a number of small lamps"
    • 2. make (something) start burning; ignite: "Allen gathered sticks and lit a fire"

    adjective

    More definitions, origin and scrabble points

  2. Jan 17, 2022 · A light-year is defined as the measurement of length or the distance light travels in a vacuum in a year. One light-year is close to 6 trillion miles. Reflected sunlight travelling from the moon's surface takes 4.04 × 10-8 light-years to reach the earth.

  3. Feb 17, 2018 · LY-- Light year is the distance traveled by light in vaccum in one year. 1ly=9.46×10 to the power 15 mtr. Parsec=parsec is the distance from where the semi major axis of the earth subtends an angle of 1 second. 1 parsec=3.08×10 to the power 16. Astronomical unit=1 astronomical unit is equal to the mean distance between earth and sun.

  4. May 22, 2018 · Define light ... Light is an energy which gives us the sensation of seeing ...

  5. Mar 19, 2019 · Define light . discuss its important? Get the answers you need, now! kayal557 kayal557 19.03.2019

  6. Mar 21, 2024 · Light can be defined as a form of electromagnetic radiation that is visible to the human eye. It is composed of particles called photons, which travel in waves and spread its energy in all directions. Light is characterized by its wavelength and frequency, which determine its color and energy level.

  7. Oct 9, 2023 · Light is a type of electromagnetic radiation that allows the human eye to see or makes objects visible. It is also defined as visible radiation to the human eye. Photons, which are tiny packets of energy, are found in light. Light always moves in a straight line.

  8. Oct 20, 2020 · Light energy is a kind of kinetic energy with the ability to make types of light visible to human eyes. Light is defined as a form of electromagnetic radiation emitted by hot objects like lasers, bulbs, and the sun. ... The energy is released in the form of a photon and more photons come out as the substance gets hotter.

  9. Aug 14, 2024 · Light is a type of electromagnetic radiation that allows the human eye to see or makes objects visible. It is also defined as visible radiation to the human eye. Photons, which are tiny packets of energy, are found in light. Light always moves in a straight line. Hie! what's your name?

  10. Jan 20, 2024 · For example, a lemon reflects mainly yellow light, and a strawberry reflects mainly red light. Light absorption is the process by which light is absorbed by matter and converted into energy. Light reflection is a phenomenon that occurs when a light beam hits a smooth, bright, or polished object and bounces back to the eye.

  11. Sep 6, 2020 · A unit of measurement equal to 149.6 million kilometres, the mean distance from the centre of the earth to the centre of the sun. hope it helps u. Answer: a) light year is a unit of a distance . it is the distance that light can travel in 1 year. b) astronomical unit can be defined as mean distance between earth and sun.