Find the Radius of a Star Image Formed on the Retina

question 72

Multiple Choice

Find the radius of a star image formed on the retina of the eye if the aperture diameter (the pupil) at night is 0.70 cm and the length of the eye is 3.2 cm.Assume the wavelength of starlight in the eye is 500 nm.(1 nm = 10−⁹ m)

• A)2.8 × 10−⁴ m
• B)5.6 × 10−⁴ m
• C)3.1 × 10−⁵ m
• D)2.8 × 10−⁶ m
• E)​3.2 × 10−⁴ m

---

Definitions:

Tangible Values

The measurable and physical worth of an asset, product, or property, which can be quantitatively assessed or directly experienced.

Intangible Values

Non-material benefits or qualities that are valued but not physically touchable, such as reputation, brand value, or human capital.

Corporate Culture

The beliefs, behaviors, values, and symbols that are accepted generally by members within an organization.

Power

The ability or capacity to influence the behavior of others or the course of events.