A) inertia B) water C) energy D) sound
A) true B) false
A) all of these B) absorbed C) reflected D) refracted
A) diverging B) converging
A) reflected B) refracted C) absorbed D) transferred
A) the bending of light waves as they travel from one surface to another B) a lens that is thinner in the center and thicker at the edges and bends light outward C) a form of energy that can travel in waves and can move through empty space D) a lens that is thicker in the center and thinner at the edges and bends light inward
A) a form of energy that can travel in waves and can move through empty space B) a lens that is thinner in the center and thicker at the edges and bends light outward C) a lens that is thicker in the center and thinner at the edges and bends light inward D) the bending of light waves as they travel from one surface to another
A) false B) true
A) a rainbow B) singing in the rain C) white light D) a solar eclipse
A) orange B) green C) indigo D) brown
A) it is recyclable B) it reflects blue and yellow C) it absorbs every colour of light except green D) it reflects every colour of light except green
A) violet B) blue C) yellow D) red E) green
A) scatter light rays that hit them B) produce curved reflections, like funhouse mirrors C) reflect light waves in a single direction D) are always opaque
A) convex B) concave C) opaque D) asymmetrical
A) changes from one colour to another B) moves from one medium to another C) becomes absorbed D) changes from one wavelength to another
A) it's blue B) it reflects C) it's transparent D) it's translucent
A) opaque B) transparent C) convex D) translucent
A) absorb B) translucent C) transparent D) opaque
A) refract B) reflect C) transmit D) absorb
A) They are made of cotton B) They are blue and refect white C) They absorb all colours D) They reflect all colours
A) They slow down B) They spread out and bend C) They change speed, direction, and bend D) They switch to white light
A) is double the size of the angle of reflection B) doesn't matter C) is half the size of the angle of reflection D) is always equal to the angle of reflection
A) light reflected by a sheet of paper B) the parallel incident light rays are reflected in parallel C) the reflected surface is mercury D) the image is identical to the reflected object and reversed
A) they are electromagnetic B) they are longitudinal C) travel in straight lines D) they are transverse
A) focal point B) convex C) diverging D) concave
A) true B) false
A) when the object is in between the focal point and the lens B) always C) when the object is more than twice the distance of the focal point away from the lens D) never
A) can create a virtual or real image B) always creates a virtual image C) always creates a real image D) always creates an inverted image
A) farsightedness B) nearsightedness C) blind D) 20/20 vision
A) youropia B) presbyopia C) myopia D) hyperopia
A) light waves are not reflected B) light waves are reflected in all directions C) light waves are reflected in one direction D) light waves are reflected straight up
A) No B) Yes
A) virtual point from which the refracted rays seem to come from B) real point where the refracted rays actually meet
A) virtual and larger than the original object B) real and larger than the original object C) virtual and smaller than the original object D) real and smaller than the original object
A) goes straight through, continuing parallel B) refracts outwards as if originating from the lens' focal point C) reflects straight back to the object D) refracts inwards and through the lens' focal point |