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black-body radiation

/ˈblæk ˈbɒdi ˌreɪdiˈeɪʃən/

الترجمة: إشعاع كهرومغناطيسي ينبعث من جسم مثالي يمتص كل الإشعاع الساقط عليه، ويعتمد طيفه على درجة حرارته فقط.

مدخل واحد

phrase

/ˈblæk ˈbɒdi ˌreɪdiˈeɪʃən/C1formalscientific
  • arإشعاع كهرومغناطيسي ينبعث من جسم مثالي يمتص كل الإشعاع الساقط عليه، ويعتمد طيفه على درجة حرارته فقط.

The electromagnetic radiation emitted by an idealized physical body that absorbs all incident radiation, with its spectrum depending only on the body's temperature.

  1. Thermal electromagnetic radiationC2formal

    The electromagnetic radiation emitted by a perfect black body, which absorbs all incident radiation, characterized by a continuous spectrum dependent only on its temperature.

    arإشعاع الجسم الأسود

    • Planck's law describes the spectral density of black-body radiation.
    • The cosmic microwave background is a near-perfect example of black-body radiation.
    • Studying black-body radiation led to the development of quantum mechanics.