Standard Science Primary 4 Energy

Ravi is standing in a dark room with a torch and a book. Which path of light allows him to see the book when he switches on the torch?

A Torch → Eye → Book
B Eye → Torch → Book
C Torch → Book → Eye
D Book → Torch → Eye
Show Worked Solution

Worked Solution

Step 1: To see a non-luminous object, light must travel from a source to the object. Step [2-9]: The light then reflects off the object. Step [2-9]: The reflected light must enter the eye for the brain to process the image.

Correct answer: Torch → Book → Eye

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