Two flat mirrors make an angle of 120 degrees between them. if a light ray strikes one mirror at an angle of incidence of 75 degrees, calculate the angle of incidence of the light ray on the second mirror. include pictures if possible

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit