1) When light falls on a smooth polished surface, most of it... a) Is reflected in the same direction b) Is reflected in different directions c) Is scattered d) Is refracted into the second medium 2) The image formed by the reflection from a plane mirror is... a) Real and inverted b) Virtual and erect c) Real and erect d) Virtual and inverted 3) If an accident ray passes through the focus, the reflected ray will... a) Pass through the pole b) Be parallel to the principal axis c) Retrace its path d) Pass through the center of curvature 4) Magnifying power of a concave lens is... a) Always > 1 b) Always < 1 c) Always = 1 d) Can have any value 5) Which type of wave requires a medium (substance) to travel through? a) Sound Waves b) Light Waves c) Radio Waves d) X-Rays 6) What is the distance between two consecutive crests or troughs of a wave called? a) Amplitude b) Wavelength c) Frequency d) Velocity 7) What type of mirror always forms a virtual, upright, and diminished image? a) Concave Mirror b) Convex Mirror c) Plane Mirror d) Spherical Mirror 8) When light passes from air into water, it bends. This phenomenon is called... a) Reflection b) Diffraction c) Refraction d) Dispersion 9) Which color of visible light has the longest wavelength? a) Red b) Green c) Blue d) Violet 10) What happens to the speed of light when it enters a denser medium (e.g., glass)? a) It increases b) It remains the same c) It decreases d) It depends on the color of the light

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