PHYSICAL SCIENCE QUESTION PLEASE I NEED YOUR HELP!

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What is common to all light sources, including incandescent, fluorescent, neon, halogen, laser, and sodium-vapor devices?

Thank You I really appreciate your help! :3

  • PHYSICAL SCIENCE QUESTION PLEASE I NEED YOUR HELP! -

    The source of light (electromagnetic radiation of the visual range) is the transitions of electrons in atoms (from the higher to the lower levels)

  • PHYSICAL SCIENCE QUESTION PLEASE I NEED YOUR HELP! -

    a 1.0kg(1000g) block of ice at 0.0c is added to a picnic cooler. How much heat will the ice remove as it melts to water at 0.0c

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