It requires 350 joules to raise a certain amount of a substance from 10. 0°c to 30. 0°c. The specific heat of the substance is 1. 2 j/g°c.

How do refracting telescopes magnify a far away image? a. by directing light beams to meet at a focal point b. by absorbing light beams’ wavelengths c. by forcing light beams to change direction d. by measuring light beams’ velocity