GK
BIG BANG THEORY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Spectrum
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The range of magnitudes over which a physical property can vary
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A theory that says the universe began as a small point that expanded rapidly about 13.7 billion years ago
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All space and matter
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A self-luminous celestial body containing a mass of gas held together by its own gravity in which the energy is generated by nuclear reactions in its interior
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Explanation:
Detailed explanation-1: -The electromagnetic spectrum describes all of the kinds of light, including those the human eye cannot see. In fact, most of the light in the universe is invisible to our eyes.
Detailed explanation-2: -Electromagnetic radiation exhibits wavelike properties such as reflection, refraction, diffraction, and interference, but also exhibits particlelike properties in that its energy occurs in discrete packets, or quanta.
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