Keyword Analysis & Research: when was the camera obscura made

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was the camera obscura made	1.31	0.5	8241	82	32
when	1.27	0.2	2056	36	4
was	0.83	0.8	9648	81	3
the	0.99	0.8	4299	85	3
camera	1.89	0.2	7971	73	6
obscura	1.45	0.1	9711	15	7
made	1.08	0.8	571	53	4

Keyword	CPC	PCC	Volume	Score
when was the camera obscura made	1.86	0.2	8040	68
who made the camera obscura	1.01	0.9	7147	71
was camera obscura the first camera ever made	0.92	0.4	781	93
when was the first camera obscura made	1.45	0.2	1240	54
images made by camera obscura	1.22	0.2	5610	99
what was the camera obscura made for	1.02	1	3348	64