Page 3 - Competency Based Worksheet- Light and its associated phenomena

13. Which of these objects reflects light?
a) The Sun
b) The Moon
c) A glowing bulb
d) Burning wood

14. A real image is always inverted, whereas a virtual image is always erect. A real
image is formed when light rays after reflection or refraction actually meet at a point,
while a virtual image is formed when the light rays appear to meet.
Identify the real and virtual images in the given diagram.

15. A tiny mirror M is fixed on a cardboard placed on a table. The cardboard is
illuminated by a bulb and a very thin beam of light is made to incident on a plane
mirror. The positions of the eye relative to the bulb are marked as A, B, C, and D in
the diagram.
From which position will the mirror be visible? Mark the correct position.