1) Which of the following are the characteristics of image formed by concave mirror?  a) Virtual and upright b) Real and inverted c) Virtual and diminished d) Same size and laterally inverted 2) Which of the following is the application of convex mirror in daily life? a) Periscope b) Kaleidoscope c) Car side mirrors d) Dentist's mirror 3) The captain of a submarine wants to see whether there is any shop on the sea. What is the instrument that can be used? a) Telescope b) Periscope c) Binoculars d) Magnifying glass 4) Which phenomenon shows the effect of light dispersion? a) The blue sky b) The stage lightning c) Formation of rainbow d) The red sunset 5) What causes the dispersion of light? a) Lights travels in a straight line b) Light can be reflected c) Water droplets are left suspended in the air after the rain has stopped d) Different colours of light travel at different speeds 6) Which of the following statements is true about the properties of light? a) Light cannot be dispersed b) Light cannot be reflected c) Light cannot pass through an opaque object d) Light travels slower than sound 7) Which of the following phenomena is the effect of light scattering? a) Formation of rainbow b) The sky appears dark at night c) The sky appears white at midday d) The sky appears reddish during sunset 8) Which of the following is true about the law of light reflection? a) The angle of incidence is the same as the angle of reflection b) The angle of incidence is different than the angle of reflection c) The angle of incidence is the angle at which light ray is reflected d) The incident ray, the reflected ray and the normal line lie on different planes 9) The _______ is secondary color. a) Cyan b) Blue c) Green d) Red 10) The addition of primary colours can form secondary colours. a) True b) False

Copy of Chapter 8 : Light and optic; REVISION FORM 1

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