Mirror
Select the correct answer.
Considering the case where the object is located at the fo...
Physics, 31.01.2022 19:00 ProAtWork7
Mirror
Select the correct answer.
Considering the case where the object is located at the focal point.
Which of the following is TRUE?
object
Focal point
No rays will be reflected.
No image is formed.
The reflected rays will meet at a point
away from the focal point.
The image formed is a real one.
Answers: 2
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Answers: 1
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4r-134a enters the condenser of a residential heat pump at 800 kpa and 50°c at a rate of 0.022 kg/s and leaves at 750 kpa subcooled by 3°c. the refrigerant enters the compressor at 200 kpa superheated by 4°c determine (a) the isentropic efficiency of the compressor, (b) the rate of heat supplied to the heated room, and (c) the cop of the heat pump. also, determine (d) the cop and rate of heat supplied to the heated room if this heat pump operated on the ideal vapor-compression cycle between the pressure limits of 200 and 800 kpa. (0.757, 4.37 kw, 5.12, 6.18, 3.91 kw)
Answers: 3
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How many atoms of nitrogen are in the chemical formula ni(w on
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