It takes the average reader 1 hour and 6 minutes to read Concise Databook of Optical Materials by R. W. Donaldson
Assuming a reading speed of 250 words per minute. Learn more
Concise Databook of Optical Materials by R. W. Donaldson is 65 pages long, and a total of 16,575 words.
This makes it 22% the length of the average book. It also has 20% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 1 hour and 30 minutes to read Concise Databook of Optical Materials aloud.
Concise Databook of Optical Materials is suitable for students ages 8 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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