Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Ray Optics

Question:

If the diameter of the objective of a telescope is increased , its resolving power:

Options:

Increases 

No Change

Decreases 

Becomes Infinite

Correct Answer:

No Change

Explanation:

The objective lens of a large diameter collects more light but does not increase the resolving power of the telescope because resolving power increases when angular separation increases.