Question

Fill in the blanks.

1)Speed of light is______in air.
2)_______mirror is used in solar farms.​

Answer 1

1. Speed of light is 3 × 10⁸ m/s in air.

2. Concave mirror is used in solar farms.

HOPE IT HELPS YOU !

THANKS !

Answer 2

Answer:

2. concave mirrors

1.reflective index of air for visible light is about 1.0003, the speed of a light in air is about 90km/s (56min/s)