Exam (elaborations)
NAO (Physics) VOLUME 3 QUESTIONS AND ANSWERS CORRECTLY ANSWERED RATED A
- Course
- Institution
NAO (Physics) VOLUME 3 QUESTIONS AND ANSWERS CORRECTLY ANSWERED RATED A
[Show more]
Content preview
NAO (Physics) VOLUME 3 QUESTIONS ANDANSWERS CORRECTLY ANSWERED RATED A
The lower the Abbe number the ______
Correct Answer -less the chromatic aberration
The cylinder axis location tolerance for a 0.75Dcylinder prescription
ophthalmic lens is:
Correct Answer -5 degrees
The cylinder axis location tolerance for a 1.00D cylinder for prescription
ophthalmic lenses is:
Correct Answer -3 degrees
The cylinder axis location tolerance for a 2.00 D cylinder for prescription
opthalmic lens is:
Correct Answer -2 degrees
The prism power tolerance for uncut multifocal and edged lenses for
prescription ophthalmic lenses is:
Correct Answer -+ or - 1/3 prism diopter
The prism power tolerance for a mounted pair of eyeglasses in the vertical
meridian for prescription ophthalmic lenses is:
Correct Answer -1/3 prism diopter
,The prism tolerance for a mounted pair of eyeglasses in the horizontal
meridian for prescription ophthalmic lenses is:
Correct Answer -2/3 prism diopter
The tolerance for lens thickness when specified for special prescription
purposes is:
Correct Answer -0.3 mm
The tolerance for specified base curve is
Correct Answer -0.75 diopter
The segment location tolerance in the vertical (segment height)meridian in a
mounted pair of eyeglasses is:
Correct Answer -Pairs should match within 1.0 mm of specifications
The tolerance of the cylinder axis location of the right lens is:
RX: OD +1.00 +2.00 x 090
OS +3.00 +1.00 x 180
Add +2.00 OU, FT-28
Correct Answer -2 degrees
The specifications for the Food and Drug Administration (FDA) dress drop-
ball test are:
Correct Answer -5/8 inch steel ball, dropped 50 inches
, A patient is wearing a +9.50D contact lens. What power lens would be
needed in glasses to beworn at 12 mm?
Correct Answer -+10.50
If the lenometer reads a power of -2.00D in the 45th meridian and +0.50 in
the 135th, the lens power would be:
Correct Answer -+0.50 -1.50 x 135
The reading for RX for a -4.25 -1.25 x 090 +2.00 addi is;
Correct Answer --3.50 +1.25 x 180
If in the lensometer the distance portion of an eyeglass lens is -2.00, and the
reading in the bifocal segment is +1.00D, then the bifocal add power is
Correct Answer -+3.00D
If the RX is -1.25 -2.00 x 030, what is the total power at axis 090?
Correct Answer --2.75
Which of the following statements about mirrors is true of a real image?
Correct Answer -real images are always located behind the mirror
Two plane mirrors are attached to form a dual mirror system with an
adjustment angle. As the angle between the mirrors increases, the number
of images _____:
Correct Answer -decreases
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller saraciousstuvia. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82977 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now