Which type of lens produces diverging rays? A) Concave Lens

B) Convex Lens

C) Concave Mirror

D) Flat Mirror

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a. true or b. false

Consider the growth of a 20-nm-diameter silicon nanowire onto a silicon wafer. the temperature of the wafer surface is maintained at 2400 k. assume the thermal conductivity of the silicon nanowire is 20 wm-1k-1 and all its surfaces including the tip are subjected to convection heat transfer with the coefficient h = 1×105 wm-2k-1 and t∞ = 8000 k. when the nanowire grows to l = 300 nm, what is the temperature of the nanowire tip (t (x =