Form 1 Science Bab 8: Light and Optics
Instructions
Answer all questions clearly based on Chapter 8 concepts.
10 questions · 20 marks total
1. Differentiate between concave mirrors and convex mirrors in terms of shape and one practical application for each.
Short Answer · 3m2. Fill in the blank: The bending of light as it passes from one optical medium to another of different density is known as light ________.
Fill in the Blank · 1m3. Which primary colors of light must be mixed together to create Yellow light?
Multiple Choice · 1m4. A swimming pool with an actual depth of 2.5 meters appears shallower than it actually is when viewed from above. Name the optical phenomenon involved and explain why this occurs.
Short Answer · 3m5. State the two primary Law of Reflection rules.
Short Answer · 2m6. Explain why a red shirt appears red when viewed under white sunlight, but appears black when viewed under pure green light.
Short Answer · 3m7. A student standing 3 meters in front of a plane mirror sees her image. Calculate the distance between the student and her mirror image.
Short Answer · 2m8. Explain the optical mechanism responsible for the phenomenon of scattering of light that makes the sky appear red during sunset.
Short Answer · 3m9. True or False: Violet light bends more than Red light when passing through a triangular glass prism because it has a shorter wavelength.
True / False · 1m10. True or False: A convex mirror forms an enlarged, inverted real image of distant objects.
True / False · 1m