Question

speed of light is ...... ​

Answer 1

Explanation:

more than anything in the word but not more than our brain

Answer 2

• The speed of light in vacuum is 299792458 m / s or approximately 300000 km/s.
• It is commonly denoted as C.
• The speed of light varies in different medium.  
• In glass and air the speed of light is less than what is in vacuum.  
• The theory about speed of light was vague till 17th century. Scholars were unsure about whether light has a steady speed or not.