Question

मोहल्िे में हो रही चोररयों की लशकायत करते हुए थािाध्यक्ष को पत्र लििें।​

Answer 1

Answer:

optics, science concerned with the genesis and propagation of light, the changes that it undergoes and produces, and other phenomena closely associated with it. There are two major branches of optics, physical and geometrical. Physical optics deals primarily with the nature and properties of light itself.

Answer 2

Answer:

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