Explanation:
Wien’s Law:

The law states that the wavelength at which black body emits maximum heat is inversely proportional to the temperature of the body in Kelvins.

1) Walls at 300 K


2) Ice water at 273 K :


3) Hot water at 373 K :


4)Skin at 310 K:


5)An incandescent light bulb at 3000 K


Answer: Summary. Intrusive igneous rocks cool from magma slowly because they are buried beneath the surface, so they have large crystals. Extrusive igneous rocks cool from lava rapidly because they form at the surface, so they have small crystals. Texture reflects how an igneous rock formed.
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Explanation:
Answer:
groundwater is water that occupies the zone of saturation within the ground. the water table is the upper limit of the groundwater.
Answer:
Explanation:
In Sri Lanka there was distrust between the Sinhala and Tamil. These communities escalated their problems into a full-out civil war because Sinhala was declared as the only official language and they completely disregarded the Tamil. Besides this, the Sinhala had privilege over the other side in government jobs and almost all higher positions in the bureaucracy.