Reflection and Refraction — MCQ Practice
Interactive MCQ Practice
Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 5 questions available.
Which of the following phenomena is NOT explained by the principle of Total Internal Reflection (TIR)?
Consider the following statements regarding the refractive index of a medium: 1. It is a dimensionless quantity. 2. It is generally higher for optically denser media. 3. It is independent of the wavelength of light. Which of the statements given above is/are correct?
A light ray passes from medium A to medium B. If the angle of incidence in medium A is 45° and the angle of refraction in medium B is 30°, what can be inferred about the optical densities of the two media?
Which of the following statements correctly describes the conditions for Total Internal Reflection (TIR)? 1. Light must travel from an optically rarer medium to an optically denser medium. 2. The angle of incidence must be greater than the critical angle. 3. The angle of refraction must be 90 degrees.
Which of the following statements about the formation of a rainbow is/are correct? 1. It involves both refraction and total internal reflection of sunlight by water droplets. 2. Violet light deviates the most, and red light deviates the least during dispersion. 3. Secondary rainbows are brighter and have the same color sequence as primary rainbows. Select the correct answer using the code given below: