The flux received from a source is the power of its radiation crossing a unit area held perpendicular to its direction, in watts per square metre; restricted to a band of wavelengths, it is the flux in that band. The luminosity of the source is the total power it radiates, in watts.
বইগুলো এখনো বাংলা ভাষায় পাওয়া যায় না — ইংরেজি সংস্করণ দেখানো হচ্ছে।
Earth and Space Sciences · পরিভাষা
Flux, luminosity কী?
অন্য নাম: flux (of a source) · luminosity