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Light – Reflection and Refraction — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceLight – Reflection and Refraction1 Mark
MCQ
Mohan obtained a sharp inverted image of a distant tree on the screen placed behind the lens. He then moved the screen and tried to look through the lens in the direction of the object. He would see :
  • A
    A blurred image on the wall of the laboratory.
  • B
    An erect image of the tree on the lens.
  • C
    No image as the screen has been removed.
  • ✓
    An inverted image of the tree at the focus of the lens.
✓

Answer

Correct option: D.
An inverted image of the tree at the focus of the lens.
Correct option is an inverted image of the object at the focus of the lens. We use screen just to show the presence of the image but if we remove it image will still forms at focus only.

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