Standard Science Primary 4 Energy

Jun Jie placed an opaque object between a torch and a screen. Which of the following would result in a larger shadow on the screen?

A Moving the screen closer to the object
B Moving the object closer to the torch
C Moving the object closer to the screen
D Moving the torch further from the object
Show Worked Solution

Worked Solution

Step 1: Shadow size depends on the distance between the source, object, and screen. Step 2: Moving the object closer to the source (torch) causes it to block more light rays. Step 3: This results in a larger shadow projected on the screen.

Correct answer: Moving the object closer to the torch

Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.

Start Free Trial — 7 Days Free