1. Which mirror cases are suggested by the following situations?
    a) image at C
    b) object farther out than C
    c) object between C and F
    d) image behind mirror
    e) hi = ho
    f) hi is just a pinpoint.
    g) M = 1
    h) M somewhat < 1
    i) M somewhat > 1
    j) F = 20 cm, So = 15 cm
    k) M =
    l) F = 50 cm, So = 20 cm
    m) C = 15 cm, So = 30 cm
    n) F = 25 cm, Si = 70 cm
    o) C = 10 cm, Si = 10 cm
    p) Si > C
    q) So between C and F
    r) f is negative value
    s) So farther than out than C
    t) So = 10 cm, C = 30 cm
    u) Si = 17 cm, C = 21 cm
    v) collecting starlight
    w) projecting an image onto a wall across a room
    x) shaving mirror situation
    y) virtual image
    z) M < 1, virtual
    aa) M > 1, virtual
    bb) image projected onto an interstellar dust cloud
    cc) virtual image, Si < F