Standard Science Primary 4 Energy

Which of the following explains why we can see a non-luminous object like a book?

A The book gives off its own light.
B Light from a source reflects off the book into our eyes.
C Our eyes give off light that hits the book.
D The book absorbs all the light hitting it.
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Worked Solution

Step 1: Non-luminous objects do not create light. Step 2: To see them, light from a source (like a lamp) must hit the object. Step 3: The light then bounces (reflects) off the object and enters our eyes.

Correct answer: Light from a source reflects off the book into our eyes.

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