A biconvex lens has a focal length of 0.20 m. Where on the lens axis should an o

Question

A biconvex lens has a focal length of 0.20 m. Where on the lens axis should an object be placed in order to get the following? (a) a real, enlarged image with a magnification of 1.6
cm

(b) a virtual, enlarged image with a magnification of 2.4
cm
Show all work needed please. Thank you! A biconvex lens has a focal length of 0.20 m. Where on the lens axis should an object be placed in order to get the following? (a) a real, enlarged image with a magnification of 1.6
cm

(b) a virtual, enlarged image with a magnification of 2.4
cm
Show all work needed please. Thank you! A biconvex lens has a focal length of 0.20 m. Where on the lens axis should an object be placed in order to get the following? (a) a real, enlarged image with a magnification of 1.6
cm

(b) a virtual, enlarged image with a magnification of 2.4
cm
Show all work needed please. Thank you! (a) a real, enlarged image with a magnification of 1.6
cm

(b) a virtual, enlarged image with a magnification of 2.4
cm
Show all work needed please. Thank you! (a) a real, enlarged image with a magnification of 1.6
cm

(b) a virtual, enlarged image with a magnification of 2.4
cm
Show all work needed please. Thank you!

Explanation / Answer

a) since real, m = -1.6

m = -i/o

so i = 1.6 o

so 1/ (1.6 o) + 1/o = 1/0.2

o=0.325 m = 32.5 cm

b) virtual so m = 2.4

so i = -2.4 o

1/(-2.4 o ) + 1/o = 1/0.2

o=0.117 m = 11.7 cm

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.