Reflection from concave mirror when the incident ray is parallel to the principal axis

Point of incidence: left parenthesis, StartRoot, "R" squared minus "h" squared , EndRoot , "h" , right parenthesis

Label:

equals

left parenthesis, 4.4 7 5 1 6 4 8 , 2.2 3 , right parenthesis

"x" Subscript, 1 , Baseline	"y" Subscript, 1 , Baseline
0	0	r1c3:
StartRoot, "R" squared minus "h" squared , EndRoot	"h"	r2c3:
		r3c3:

Ekspresi 9: "y" equals StartFraction, 2 "h" "x" StartRoot, "R" squared minus "h" squared , EndRoot minus "R" squared "h" Over "R" squared minus 2 "h" squared , EndFraction left brace, "y" less than or equal to "h" , right brace

Ekspresi 10: "y" equals StartFraction, negative StartRoot, "R" squared minus "h" squared , EndRoot "x" plus "R" squared Over "h" , EndFraction

Ekspresi 11: "y" equals StartFraction, "h" "x" Over StartRoot, "R" squared minus "h" squared , EndRoot minus StartNestedFraction, "R" NestedOver 2 , EndNestedFraction , EndFraction minus StartFraction, StartNestedFraction, "h" "R" NestedOver 2 , EndNestedFraction Over StartRoot, "R" squared minus "h" squared , EndRoot minus StartNestedFraction, "R" NestedOver 2 , EndNestedFraction , EndFraction left brace, "x" less than or equal to StartRoot, "R" squared minus "h" squared , EndRoot , right brace

Focus: left parenthesis, StartFraction, "R" Over 2 , EndFraction , 0 , right parenthesis

Label:

equals

left parenthesis, 2.5 , 0 , right parenthesis

Centre of curvature: left parenthesis, 0 , 0 , right parenthesis

Label:

dipersembahkan oleh

Point of incidence

Focus

Centre of curvature