Which of the following questions might be asked by an engineer? How does a lens focus light?
How can you interpret the data from your experiment?
How can a lens be used to improve vision?
What experiment shows how a lens focuses light?

An ideal otto cycle with air as the working fluid has a compression ratio of 8. the minimum and maximum temperatures in the cycle are 300 k and 1340 k. use constant specific heats at room temperature to determine (a) the amount of heat transferred to the air during the heat- addition kj/kg, (b) the thermal efficiency, and (c) the thermal efficiency of a carnot cycle ope limits. process, in rating between the same temperature