Absorption And Radiation Of Energy Lab Answers

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Absorption and radiation of energy lab answers.

The wavelength of solar radiation that is absorbed by an earth material is changed and re radiated as heat. Absorption and radiation by land and water. The great the heating and cooling of the black and shiny can. Students use heat lamp and measure the temperature every minute.

Natural sources of radiation from the sun radioactive decay and even the luminous glow from fireflies contribute to the electromagnetic radiation around us. Base your answers to the following questions based on the isotherm maps above which show the average monthly temperatures f over a portion of earth s surface for january and july. Fill one can half full with room temperature water. Lab 2 emission and absorption.

The energy of the infrared radiation related to frequency wavelength and thus wavenumber as described in equations 1 to 3 has been experimentally related to the bond energy of the bond undergoing stretching. Turn on the heat lamp and take readings with the ir thermometer at one minute intervals for 10 minutes. Comes with great questions. Earth s surface varies in both chemical and physical properties.

Diagram for lab set up. Electromagnetic radiation surrounds us. They learn about radiation reflection absorption cooling heat transfer and more. For equation 3 the h is planck s constant 4 136 x 10 15 ev s or 6 626 x 10 34 j s and v is frequency of the infrared radiation.

Artificial sources such as radio and television microwave radar detection. Place the three cups under the heat lamp and adjust the lamp so that the cups will receive equal energy. Em radiation or radiant energy.