Physics Objective Questions and Answers: Refraction of Light at Plane Surface and Total Internal Reflection
Access targeted multiple-choice questions for Refraction of Light at Plane Surface and Total Internal Reflection designed to align with the latest NEET academic syllabus for NEET Physics. These objective practice sets help students evaluate their conceptual understanding and improve exam readiness.
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Question. Total internal reflection can take place only if
(a) light goes from optically denser medium to rarer medium
(b) the refractive indices of the two media are close to different
(c) the refractive indices of the two media are widely different
(d) light goes from optically rarer medium (smaller refractive index) to optically denser medium
Answer: A
Question. When the angle of incidence of a light ray is greater than the critical angle it gets
(a) total internally reflected
(b) critically refracted
(c) totally reflected
(d) totally refracted
Answer: A
Question. Critical angle of light passing from glass to water is minimum for
(a) violet colour
(b) green colour
(c) red colour
(d) yellow colour
Answer: A
Question. One face of a rectangular glass plate 6 cm thick is silvered. An object held 8 cm in front of the first face, forms an image 12 cm behind the silvered face. The refractive index of the glass is
(a) 1.2
(b) 1.6
(c) 0.8
(d) 0.4
Answer: A
Question. A glass slab of thickness 4 cm contains the same number of waves as 5 cm of water when both are traversed by the same monochromatic light. If the refractive index of water is 4/3, what is that of glass?
(a) 5/3
(b) 5/4
(c) 16/15
(d) 1.5
Answer: A
Practice MCQs for NEET Physics Refraction of Light at Plane Surface and Total Internal Reflection
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