The ratio of the total solar radiant energy returned by a planetary body to the total radiant energy incident on the body, the called:

Related MCQs

• The reflection of solar energy is characterised by the water content in the leaf, in the reflective optical infrared:
• According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n1) on another medium (refractive index m2);
• The value of energy quantum for radiation of any frequency is proportional to:
• A perfectly black body:
• The optical property of a water body depends on:
• 'A time varying electric field produces a magnetic field.' This phenomenon is called:
• The changes in the reflectivity/emissivity with time, is called:
• The interaction of the electromagnetic radiation produced with a specific wave length to illuminate a target on the terrain for studying its scattered radiance, is called:
• The arrangement of terrain features which provides attributes: the shape, size and texture of objects, is called:
• The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called: