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प्रश्न
Light is best classified as which of the following?
विकल्प
A mechanical wave requiring a material medium
Electromagnetic radiation
A stream of sound pulses
Gravitational radiation
MCQ
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उत्तर
Light is an electromagnetic radiation — a wave of oscillating electric and magnetic fields that can propagate through vacuum without needing any material medium. This is why sunlight reaches the Earth through empty space.
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