COT Clinical Optics Exam Review Manual UPDATED Actual Exam Questions and CORRECT Answers
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Course
COT Clinical Optics
Institution
COT Clinical Optics
COT Clinical Optics Exam Review Manual
UPDATED Actual Exam Questions and
CORRECT Answers
The range of wavelengths in the visible spectrum is:
a) 100 to 400 nanometers
b) 400 to 800 nanometers
c) 450 to 650 nanometers
d) 400 to 800 meters (m) - CORRECT ANSWER- 400 to 800 nanometers
COT Clinical Optics Exam Review Manual
UPDATED Actual Exam Questions and
CORRECT Answers
The range of wavelengths in the visible spectrum is:
a) 100 to 400 nanometers
b) 400 to 800 nanometers
c) 450 to 650 nanometers
d) 400 to 800 meters (m) - CORRECT ANSWER✔✔- 400 to 800 nanometers
Immediately on either side of the visible spectrum are the invisible light segments of:
a) Infrared and ultraviolet
b) X-rays and radio waves
c) Gamma rays and laser
d) Microwaves and radar - CORRECT ANSWER✔✔- Infrared and ultraviolet
Which color has the longest wavelength? - CORRECT ANSWER✔✔- a) Red has the longest
wavelength: 650 nanometers.
Geometric optics includes: - CORRECT ANSWER✔✔- The effects of media on the path of
light
When light bounces back from an object, this is known as: - CORRECT ANSWER✔✔-
Reflection
In reflection, the light rays that hit the object or interface between media with different
indices of refraction are called: - CORRECT ANSWER✔✔- Incident rays
In optics, a medium (or media, plural) is: - CORRECT ANSWER✔✔- An object through
which light passes
,When light passes through a transparent medium, it may travel straight through
(Transmission or its path may be altered. This altering or bending property of a medium is
known as: - CORRECT ANSWER✔✔- Refraction
The ray of light that enters a transparent medium is termed: - CORRECT ANSWER✔✔-
Incident ray
If light passes through a lens and the rays are spread apart on exiting, this is known as: -
CORRECT ANSWER✔✔- Divergence
If light passes through a lens and the rays are bent toward each other on exiting, this is known
as: - CORRECT ANSWER✔✔- Convergence
A comparison of the speed of light in air to the speed of light through a substance is: -
CORRECT ANSWER✔✔- IR (Snell's Law)
The denser the substance, the more slowly light passes through it, and: - CORRECT
ANSWER✔✔- The higher the IR
The IR of crown glass is: - CORRECT ANSWER✔✔- 1.50
Light travelling through a prism will be bent toward the prism's: - CORRECT ANSWER✔✔-
base
The image of an object viewed through a prism: - CORRECT ANSWER✔✔- Is virtual and
shifted toward the apex
A 1.00 diopter prism bends light: - CORRECT ANSWER✔✔- 1 cm at a distance of 1 m
from the prism
A 2.00 diopter prism displaces an object 1 cm at a distance of: - CORRECT ANSWER✔✔-
0.5 m
, This displacement of an object 4 cm at a distance of 1 m would require prism of: -
CORRECT ANSWER✔✔- 5.0 diopters
At a distance of 2 m a 12 diopter prism would displace an object: - CORRECT
ANSWER✔✔- 24 cm
A spherical lens refracts light: - CORRECT ANSWER✔✔- Equally in every direction
A 1.00 diopter spherical lens focuses light at: - CORRECT ANSWER✔✔- 1 m
The pointer at which a lens forms an image (whether real or virtual is the: - CORRECT
ANSWER✔✔- Focal point
All of the following regarding the optical center of a lens is true except: - CORRECT
ANSWER✔✔- It always coincides with the geometric center of the lens
The focal length of a lens: - CORRECT ANSWER✔✔- Is the distance between the lens and
the focal point
Because the focal point of a minus lens is virtual, the focal length of a minus lens: -
CORRECT ANSWER✔✔- Is likewise virtual
Which of the following is the formula for finding focal length? - CORRECT ANSWER✔✔-
P = 1/F
What is the focal length of 5 diopter lens? - CORRECT ANSWER✔✔- 0.2 m
A lens has a focal length of 33 cm. What is its dioptric power? - CORRECT ANSWER✔✔-
3 diopters
question 30 - CORRECT ANSWER✔✔- we good
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