Refraction and Reflection of Light

What is a ray of light?

• A line drawn in the direction of light propagation

• A lens that bends light

• A group of light rays emitted by a source

• A type of mirror

Tags

NGSS.MS-PS4-2

Which type of beam consists of rays that are parallel to each other?

• Convergent beam

• Divergent beam

• Parallel beam

• Reflected beam

What is the phenomenon of sending light back in the same medium called?

• Refraction

• Dispersion

• Reflection

• Diffraction

What type of image is formed by the actual intersection of light rays?

• Diminished Image

• Reflected Image

• Virtual Image

• Real Image

What is a plane mirror made of?

• Polished glass with a silver coating

• Plastic with a reflective surface

• Metal with a glass cover

• Wood with a shiny finish

Tags

NGSS.MS-PS1-1

What type of mirror has its inner surface as the reflecting surface?

• Concave Mirror

• Plane Mirror

• Flat Mirror

• Convex Mirror

What is the distance between the pole and the principal focus of a spherical mirror called?

• Radius of Curvature

• Optical Centre

• Principal Axis

• Focal Length

What is the power of a lens measured in?

• Watts

• Joules

• Dioptres

• Meters

What type of lens is thicker at the center and thinner at the edges?

• Concave Lens

• Biconvex Lens

• Biconcave Lens

• Convex Lens

What is the ratio of the height of the image to the height of the object called?

• Divergence

• Reflection

• Refraction

• Magnification