Absorption And Radiation Of Energy Lab

Natural sources of radiation from the sun radioactive decay and even the luminous glow from fireflies contribute to the electromagnetic radiation around us.
Absorption and radiation of energy lab. Using a triple beam balance determine the mass of the can and water. Where d t r is the absorbed dose gy averaged over the tissue organ due to the radiation r the radiation weighting factors w r adjust for the type of radiation and its energy and are determined by the rate of linear energy transfer in the irradiated tissue. Remove the can with the water from the balance leaving the balance set at the mass of the can and water. Fill one can half full with room temperature water.
Lab 2 10 ver. Absorption of a photon occurs when it transfers its energy to atoms within a substance it s striking. The characteristics of a surface determine what happens to the incoming solar radiation. Endpoint energy of decay.
Gamma rays are high energy photons which travel at the speed of light. Earth s surface varies in both chemical and physical properties. The wavelength of solar radiation that is absorbed by an earth material is changed and re radiated as heat. Substances only absorb electromagnetic radiation with certain energy e levels determined.
This worksheet has 15 earth science regents questions about the absorption and radiation of energy lab activity. Electromagnetic radiation surrounds us. Place an empty can on the balance. The radioactive sources used in this experiment are extremely weak and.
Color and absorption color and re radiation rate of temperature change graphing real world application an editabl. Absorption and radiation date. Earth s surface varies in both chemical and physical properties. The wavelength of solar radiation that is absorbed by an earth material is changed and re radiated as heat.
Lab 2 emission and absorption. Hb 01 2102 02 absorption of radiation 1 lab 4 4 9 gamma rays gamma rays unlike alpha and beta radiation consists of electromagnetic waves. They are produced by transitions within the nucleus of an atom between di erent energy levels. Em radiation or radiant energy.
This makes a great homework sheet or in class review. Diagram for lab set up. Numerical values for w r have been recommended by the international commission on radiological protection icrp given in table 5 1. Artificial sources such as radio and television microwave radar detection.
To determine the absorption coefficient in lead of the gamma radiation from a given source. Wavenumber cm 6 329 x bond energy kj mole 401 38 for investigation of chemical composition or. Lab absorption and radiation of energy introduction.