) Determine the maximum energy density stored in the: ✓ mJ/m³ Electric Field: [6.9072 Magnetic Field: 13.813 Electromagnetic Wave: 20.720 xmJ/m³ xmJ/m³
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- A dielectric material has an absorption coefficient of 0.25 cm−1. A plate of thickness 3 cm is made from this material, and light with intensity 20 W m−2 is incident on the front. Ignoring reflection losses, calculate the intensity transmitted through the plate.Give your answer as a decimal to 2 d.p.(a) The blackbody radiation emitted from a furnace peaks at a wavelength of 4.5 10-6 m (0.0000045 m). What is the temperature inside the furnace? (in K) (b) The charger cord used to recharge a cell phone contains a transformer that reduces 120 V AC to 4 V AC. For each 1,400 turns in the input coil, how many turns are there in the output coil? (Round your answer to at least one decimal place.)A solar car has a roof dimensions of 145cm x 88cm for solar cells. Calculate the electrical power available, assuming total energy loss of 85% and a constant light intensity of 1016 W/ m². Answer:
- A black body at 1227°C emits radiations with maximum intensity at a wavelength of 5000 Å. If the temperature of the body is increased by 1000°C, the maximum intensity will be observed atHow much energy (in eV) does a photon of red light (1 = 700 nm) have? (h=6.63 1034 Jxs, c=3.00 10³ m/s, 1 eV = 1.60 10-19 J, and 1 nm = 109 m) -9 3.11 eV 2.26 eV 1.78 eV 1.24 eV..!Right naao
- The temperature of an object is 310 K. The electromagnetic radiation emitted by this object is: O in the ultraviolet region of the spectrum. O in the microwave region of the spectrum. O in the visible region of the spectrum (red). O in the visible region of the spectrum (yellow). O in the visible region of the spectrum (violet).. O in the infrared region of the spectrum.42. Suppose the downward irradiance at the top of a layer of an absorbing gas is 600 Wm2, the upward reflected radiation is 150 Wm-2, and the radiation emerging at the bottom of the layer is 200 Wm-² (a) What is the reflectance of the layer? (b) What is the transmittance of the layer? (c) How much radiation is absorbed in the layer (Wm-²)? (d) What is the absorptance of the layer?