Doubling the temperature of a blackbody will double the total energy it radiates
Indicate whether the statement is true or false
FALSE
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Light will NOT pass through a pair of Polaroids when their axes are
A) 45 degrees to each other. B) parallel. C) perpendicular. D) all of the above E) none of the above
The kinetic energy of a particle is 3 times its rest energy. What is the speed of the particle?
A) 0.950c B) 0.968c C) 0.976c D) 0.984c E) 0.990c
Using the psychrometric chart Appendix Chart C-1, determine the vapor pressure of water in air at 80ºF, 40% relative humidity. Also determine the humidity ratio, the enthalpy, the dew point temperature and the wet bulb temperature.
What will be an ideal response?
The removal of the carbon dioxide from the atmosphere is critical to Earth because:
A) an atmosphere rich in carbon dioxide can trap heat. B) carbon dioxide is transparent to infrared radiation. C) carbon dioxide is opaque to ultraviolet radiation. D) carbon dioxide reduces plants' ability to synthesize energy.