CBSE Board Science: Light Chapter Quiz
Explore key concepts in reflection and refraction of light from CBSE Class 10 Science curriculum through this engaging medium-difficulty quiz.
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Quiz Questions & Answers
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Question 1: What fundamental principle states that the angle of incidence is equal to the angle of reflection for light rays?
Law of Reflection
Snell's Law
Law of Refraction
Principle of Reversibility
Question 2: In a scenario where a convex mirror is used as a rear-view mirror in a car, what is the primary benefit of the image formed?
It is real and erect
It provides a wider field of view with a virtual, diminished image
It focuses light at the focal point
It is magnified and inverted
Question 3: When light travels from air to water, it bends towards the normal; what does this demonstrate about the speed of light?
Speed remains constant
Speed decreases in the denser medium
Speed increases in water
Speed is irrelevant to bending
Question 4: Applying the mirror formula for a concave mirror with object distance u = -20 cm and focal length f = -10 cm, where is the image formed?
At infinity
At the center of curvature
Behind the mirror
At 20 cm in front of the mirror
Question 5: Evaluating a myth: Do all mirrors produce images of the same size as the object?
Only convex mirrors do
No, spherical mirrors can produce magnified or diminished images depending on object position
Yes, plane mirrors always do
Images are always inverted
Question 6: What is the consequence of using a converging lens to focus sunlight, leading to a bright spot?
It forms a real image at the focal point
It reflects the light away
It disperses the light into colors
It creates a virtual image behind the lens
Question 7: In the context of refraction through a prism, what key insight explains why white light splits into a spectrum?
Total internal reflection
Diffraction of waves
Reflection at different angles
Dispersion due to different wavelengths refracting at varying angles
Question 8: For correcting myopia, what type of lens is used and why?
Concave lens to diverge rays and shift focus onto the retina
Prism to bend light evenly
Convex lens to converge distant rays
Plane mirror for reflection