Why solid angle is given by the formula 𝑑𝛺=𝑑𝑆/𝑅^2 ?

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Engineering Streamlined

1 year ago

Why solid angle is given by the formula 𝑑𝛺=𝑑𝑆/𝑅^2 ?

Why solid angle is given by the formula 𝑑𝛺=𝑑𝑆/𝑅^2 ?