What is the minimum spot size of a DVD laser if its wavelength is 650 nm and the lens has a numerical aperture of 0.6?
What will be an ideal response?
The numerical aperture, Na, is 2?/?D. If ? = 650 nm, then D = 2?/?Na = 2 × 650/3.142 × 0.6 = 690 nm.
Computer Science & Information Technology
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VBA stands for ________
Fill in the blank(s) with correct word
Computer Science & Information Technology
In the accompanying figure of a Microsoft Access 2016 navigation bar, which of the following is Box 1 pointing to??
?
A. ?Blank record button B. ?New record button C. ?Next record button D. ?Last record button
Computer Science & Information Technology
It is not recommended to use the ________ formatting techniques found on the Home tab with PivotTables
Fill in the blank(s) with the appropriate word(s).
Computer Science & Information Technology
There are two string compare functions, one of which limits the number of characters to be compared.
Answer the following statement true (T) or false (F)
Computer Science & Information Technology