A) sound B) water C) inertia D) energy
A) false B) true
A) absorbed B) reflected C) refracted D) all of these
A) diverging B) converging
A) reflected B) refracted C) absorbed D) transferred
A) a lens that is thicker in the center and thinner at the edges and bends light inward B) a lens that is thinner in the center and thicker at the edges and bends light outward C) the bending of light waves as they travel from one surface to another D) a form of energy that can travel in waves and can move through empty space
A) a lens that is thinner in the center and thicker at the edges and bends light outward B) the bending of light waves as they travel from one surface to another C) a lens that is thicker in the center and thinner at the edges and bends light inward D) a form of energy that can travel in waves and can move through empty space
A) true B) false
A) a solar eclipse B) a rainbow C) singing in the rain D) white light
A) green B) orange C) brown D) indigo
A) it reflects blue and yellow B) it absorbs every colour of light except green C) it is recyclable D) it reflects every colour of light except green
A) yellow B) green C) blue D) red E) violet
A) reflect light waves in a single direction B) are always opaque C) produce curved reflections, like funhouse mirrors D) scatter light rays that hit them
A) opaque B) convex C) concave D) asymmetrical
A) becomes absorbed B) changes from one colour to another C) moves from one medium to another D) changes from one wavelength to another
A) it's blue B) it's transparent C) it's translucent D) it reflects
A) convex B) transparent C) opaque D) translucent
A) absorb B) opaque C) transparent D) translucent
A) reflect B) transmit C) absorb D) refract
A) They absorb all colours B) They are made of cotton C) They are blue and refect white D) They reflect all colours
A) They spread out and bend B) They slow down C) They change speed, direction, and bend D) They switch to white light
A) is always equal to the angle of reflection B) is double the size of the angle of reflection C) doesn't matter D) is half the size of the angle of reflection
A) the parallel incident light rays are reflected in parallel B) light reflected by a sheet of paper C) the image is identical to the reflected object and reversed D) the reflected surface is mercury
A) they are electromagnetic B) they are transverse C) travel in straight lines D) they are longitudinal
A) concave B) focal point C) diverging D) convex
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) always creates a virtual image B) can create a virtual or real image C) always creates an inverted image D) always creates a real image
A) blind B) 20/20 vision C) nearsightedness D) farsightedness
A) hyperopia B) youropia C) presbyopia D) myopia
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) real and larger than the original object B) virtual and larger than the original object C) real and smaller than the original object D) virtual and smaller than the original object
A) refracts inwards and through the lens' focal point B) reflects straight back to the object C) goes straight through, continuing parallel D) refracts outwards as if originating from the lens' focal point |