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Optics-Refraction of Light
General Studies
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Optics-Refraction of Light

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Q1Consider the following statements about refraction: 1. Refraction occurs due to the change in speed of light when it passes from one medium to another. 2. If light enters a denser medium, it bends away from the normal. 3. The refractive index of air with respect to water is greater than 1. Which of the above statements is/are correct?MediumSolve →Q2A light ray passes from glass (μ = 1.5) into air (μ = 1). How does its speed and wavelength change?MediumSolve →Q3When does a ray of light passing through a prism undergo minimum deviation?MediumSolve →Q4Which one of the following explains why a fish appears closer than it really is when viewed from above water?MediumSolve →Q5If the refractive index of diamond is 2.42, what is the speed of light inside diamond? (Speed of light in vacuum = 3 × 10⁸ m/s)MediumSolve →Q6A lens dipped in a liquid having the same refractive index as the lens material will behave as:MediumSolve →Q7Consider the following statements: 1. The refractive index depends on the wavelength of light. 2. For glass, the refractive index for red light is less than that for violet light. Which is/are correct?MediumSolve →Q8When white light passes through a prism, it splits into colours. This is because:MediumSolve →Q9If the angle of incidence is equal to the critical angle, then the angle of refraction is:MediumSolve →Q10Which of the following phenomena does NOT involve refraction?MediumSolve →

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