a. 90 degree
B. 60 degree
c. 30 degree
d. 0 degree
a. Left-right confusion
B. Lateral inversion
c. Up -side down phenomenon
d. mirage
a. Dispersion
B. Dissolution
c. Division
d. None of the above
a. Reflection
B. Refraction
c. Dispersion
d. Diversion
a. iris
B. Blind spot
c. cornea
d. Dark spot
a. 45 degree
B. 90 degree
c. 180 degree
d. 360 degree
a. sun
B. candle
c. moon
d. Tube light
a. Three plane mirrors
B. Four plane mirrors
c. Three glass sheets
d. Four glass sheets
a. Rod
B. Cone
c. Both rod and cone
d. Neither rod nor cone
a. More rods and few cones
B. Less rod and more cones
c. More rods and more cone
d. Less rods and less cones
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