How is high temperature achieved by concave mirror?

Because "a concave mirror converge the parallel sun rays at a point, so high temperature is achieved"

Example:

           It is used in the design of solar furnaces, because they converge the parallel sun rays at a point. This helps to increase the temperature of the furnace.

answer: question1

1,000 tons

question2

3: 8

question 3

store d

step-by-step explanation:

answer(20) psi;