Standard Science Primary 4 Energy

Sara conducted an experiment by moving a torch further away from an object. What will happen to the size of the shadow on the screen?

A The shadow becomes smaller.
B The shadow disappears.
C The shadow becomes larger.
D The shadow remains the same size.
Show Worked Solution

Worked Solution

Step 1: Distance between light source and object increases. Step 2: The object blocks a smaller angle of light rays. Step 3: The shadow formed on the screen decreases in size.

Correct answer: The shadow becomes smaller.

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