An object is placed before a convex lens

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Target Exam

CUET

Subject

Physics

Chapter

Ray Optics

Question:

An object is placed before a convex lens and its real image is obtained. Now if half of the surface is covered with paper. The result will be:

Options:

No image will be formed

Half image will be formed

Image will be same as before

Full image will be formed with less brightness

Correct Answer:

Full image will be formed with less brightness

Explanation:

The correct answer is Option (4) → Full image will be formed with less brightness $n^{2}$