Question

complete the statements by writing \image\ or
o image\. becquerel expected to find (an) when he developed the photographic plate that had sun - exposed minerals on top of it. becquerel expect to find (an) when he developed the photographic plate that had been in the closed drawer.

Explanation:

Becquerel thought the Sun - exposed minerals would cause an image on the photographic plate due to phosphorescence. He expected no image from the plate in the closed drawer as there was no external energy source like sunlight.

Answer:

image
no image