An object is moving towards you from far away. In order to maintain a focused image of the object on your retina, how must the focal length of your eye change as the object approaches? A. decrease the focal length (by contracting the ciliary muscles to produce a more round lens shape) B. increase the focal length (by relaxing the ciliary muscles to produce a more flat lens shape) C. not at all. (the lens maintains the same shape)
Applications Of Reflection Of Light
When a light ray (termed as the incident ray) hits a surface and bounces back (forms a reflected ray), the process of reflection of light has taken place.
Sign Convention for Mirrors
A mirror is made of glass that is coated with a metal amalgam on one side due to which the light ray incident on the surface undergoes reflection and not refraction.
An object is moving towards you from far away. In order to maintain a focused image of the object on your retina, how must the focal length of your eye change as the object approaches?
A. decrease the focal length (by contracting the ciliary muscles to produce a more round lens shape)
B. increase the focal length (by relaxing the ciliary muscles to produce a more flat lens shape)
C. not at all. (the lens maintains the same shape)
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