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Which of the following is an example of electromagnetic radiation?
Which of the following is an example of electromagnetic radiation?
What is the distance between consecutive peaks or troughs of a wave called?
What is the distance between consecutive peaks or troughs of a wave called?
What is the number of waves that pass a particular point per second called?
What is the number of waves that pass a particular point per second called?
Which of the following is a characteristic of light?
Which of the following is a characteristic of light?
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What do scientists observe when atoms in the gaseous state radiate light at high temperatures or when subjected to electrical current?
What do scientists observe when atoms in the gaseous state radiate light at high temperatures or when subjected to electrical current?
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