Lesson: Chapter 5 — Optics

Seeing by light 1 of 4 Reset answers

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Question 1

Why can we see a book lying on a table in a sunlit room?

A Our eyes send light to the book B Light reflected from the book enters our eyes C The book is transparent D The book gives out its own light

The right answer is the one marked above.

Light reflected from the book enters our eyes. A book is non-luminous: it is seen only by the sunlight it reflects.

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