Correct

跑光

/ páo guāng / 
Strokes

Example

As a Verb

(of a film) get accidentally exposed (to light)

1
Zhè
这
juǎn
卷
jiāojuǎn
胶卷
pǎo
跑
guāng
光
le
了
  
。

This roll of film has been exposed to light.