The energy (E) radiated per unit area per sec by a black body at temperature T is given by E = T4 where  is Stafen's constant. The dimension of  is​

Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created or , but it can be

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.