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9. Ray optics abd optical instruments — Physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 SciencePhysics9. Ray optics abd optical instruments1 Mark
MCQ
Two plane mirrors at an angle such that a ray incident on a mirror undergoes a total deviation of $240^o$ after two reflections.
  • A
    the angle between the mirror is $60^o$
  • B
    the number of images formed by this system will be $5$, if an object is placed symmetrically between the mirrors.
  • C
    the no. of images will be $5$ if an object is kept unsymmetrically between the mirrors.
  • ✓
    All of the above
✓

Answer

Correct option: D.
All of the above
d

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