Test (Physics) Class X Chapter Refraction of light through plane surfaces

Subject: Physics                        Class: X

Board: ICSE                            Max Marks: 16

Time: 35min

Chapter: Refraction of light through a plane surfaces.

1. What causes refraction? (1)
2. The refractive index of water with respect to air is 4/3. What is the refractive index of air with respect to water? (1)
3. Write Snell’s Law? (2)
4. Name the factors affecting the angle of deviation? (2)
5. Draw a diagram showing the bending of stick due to refraction. (2)
6. Write differences between total internal reflection and simple reflection from a plane mirror. (2)
7. Show erecting of image in a total reflecting prism? (2)
8. Why a crack in a vessel often shines like a mirror? (2)
9. Explain a mirage? (2)