What type of lens is used in the viewfinder of a simple camera and why?
(Concave or convex)

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

Which of the following is not a physical property of mattera. melting pointb. heat of combustionc. viscosityd. boiling point

If 130 j of energy were added to 1 kg of each of the samples listed in the answer choices, which would experience the greatest temperature increase