Keyword Analysis & Research: define the principal focus of concave mirror

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
define the principal focus of concave mirror	1.72	0.9	9504	8	44
define	0.51	0.4	1815	20	6
the	1.32	0.1	9525	90	3
principal	1.9	0.1	5188	27	9
focus	0.66	0.8	3954	84	5
of	0.25	1	9856	76	2
concave	1.96	0.4	3880	79	7
mirror	1.27	0.1	3176	72	6

Keyword	CPC	PCC	Volume	Score
define the principal focus of concave mirror	0.5	0.8	2278	28