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Class X Science Quiz - Light: Reflection and Refraction
Class X
Science
Light - Reflection and Refraction
14 questions
HARD
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Preview questions
1. What is the law that states the angle of incidence is equal to the angle of reflection?
Law of Refraction · Law of Reflection · Snell's Law · Principle of Superposition
2. Which of the following surfaces would reflect light most effectively?
Rough surface · Smooth surface · Translucent surface · Opaque surface
3. What type of mirror is used in a rear-view mirror of vehicles?
Concave mirror · Convex mirror · Plane mirror · Spherical mirror
4. When light passes from air into water, what happens to its speed?
Increases · Decreases · Remains the same · Varies randomly
5. What is the focal length of a concave mirror if the radius of curvature is 20 cm?
10 cm · 20 cm · 30 cm · 40 cm
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