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Geometrical Optics question

2023 · 8 Apr · Shift 1 · Q49
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  5. /2023 · 8 Apr · Shift 1 · Q49

Geometrical Optics question

2023 · 8 Apr · Shift 1 · Q49

JEE MainPhysicsGeometrical OpticsMCQ+4 / −1
In a reflecting telescope, a secondary mirror is used to:
  1. A
    make chromatic aberration zero
  2. B
    remove spherical aberration
  3. C
    reduce the problem of mechanical support
  4. D
    move the eyepiece outside the telescopic tube
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