What is light?
Our rough guess is there are 63,250 words in this book.
At a pace averaging 250 words per minute, this book will take 4 hours and 13 minutes to read. With a half hour per day, this will take 9 days to read.
How long will it take you?
This book will take an estimated to read at a reading speed averaging words per minute. With 30 minutes per day, this will take to read.
Enter your reading speedYou can take one of our WPM reading speed tests to find your reading speed.
Create a free account to track your reading progress, build your reading list, and set reading goals.
Contributions
- Velzel, C. H. F. - Contributor
Publication
1968 - Weidenfeld and Nicholson, London, United Kingdom
Language
English
Word Count
63,250 words, Guess
Page Count
253 pages
Identifiers
- Open LibraryOL19248158M
Classifications
- DDC535
Subjects
Series Statement
- World university library
Other Editions
- What is light?
Reader Reviews
No reviews yet for this book.
Be the first to share your thoughts!