12th Class Physics Ray Optics Question Bank Ray Optics Conceptual Problems

  • question_answer
    Bees can see objects in the ultra-violet light while human beings cannot do so. Why?

    Answer:

                    Ultra-violet light has wavelength shorter than that of violet light. Bees have some retinal cones that are sensitive to ultra-violet light, so they can see objects in ultra-violet light. Human eyes do not possess retinal cones sensitive to ultra-violet light, so human beings cannot see objects in ultra-violet light. In other words, human beings are ultra-violet blind.


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