1) A stick in water appears broken due to a) Reflection of light b) Refraction of light c) Both a and b d) None of these 2) The phenomenon that causes a swimming pool to appear shallower than it is a) Reflection b) Refraction c) Dispersion d) Diffraction 3) Which of the following is responsible for the bending of light as it passes from one medium to another? a) Change in the speed of light b) Change in the wavelength of light c) Change in the direction of light d) All of the above 4) Which type of lens is used in magnifying glasses? a) Plane lens b) Convex lens c) Concave lens d) Prism 5) Which statement correctly explains why we can see ourselves in a mirror? a) Because light gets refracted b) Because light gets absorbed c) Because light gets reflected d) Because light gets scattered 6) When a ray of light is incident normally on a surface, the angle of refraction is a) 90o b) 45o c) 0o d) cannot be determined 7) Which of the following phenomena is responsible for the formation of a rainbow? a) Reflection and dispersion b) Diffraction and scattering c) Reflection onle d) Refraction and dispersion 8) The angle between the incident ray and the refracted ray is called a) Angle of incidence b) Angle of reflection c) Angle of refraction d) Angle of Deviation 9) The splitting of white light into its seven constituent colors is called a) Reflection b) Refraction c) Dispersion d) Diffraction 10) A dentist uses a concave mirror while examining teeth. Why? a) To reduce the image size b) To form a magnified image c) To make teeth look inverted d) To form a real image

g8physics-ch5-light

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