Which microscope is the most powerful and can map the atoms on the surface of an object?

Aray diagram for a refracted light day is shown. what does the dashed line represent

In the first law of thermodynamics, triangle e=q-w, what does q stand for

6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.