Optics MCQs with Answers

Which color of light bends the most when passing through a prism?

What type of mirror is used in makeup mirrors to produce a magnified image?

What is the unit of measurement for the wavelength of light?

Which type of mirror always forms a virtual, upright, and diminished image?

What is the type of lens that can only form virtual images?

What is the device that produces coherent light through stimulated emission?

What is the unit of measurement for the refractive index of a medium?

What is the angle formed between the reflected ray and the normal line called?

What is the phenomenon where light bends as it passes through a boundary between two media?

What is the angle formed between the refracted ray and the normal line called?

What is the angle formed between the incident ray and the normal line called?

What is the process of separating light into its constituent colors called?

What type of lens is used in a magnifying glass?

What type of lens is thinner in the middle than at the edges?

What is the bending of light around obstacles called?

What type of lens can form both real and virtual images, depending on the object's position?

What is the bending of light around the edges of an obstacle called?

What is the point where light rays meet or appear to meet after reflection or refraction?

What is the optical instrument used to view objects at a distance?

What is the unit of measurement for the focal length of a lens?

What is the phenomenon where light bends as it passes from one medium to another?

What is the phenomenon where light is reflected back into the same medium?

What is the distance between a lens's optical center and its principal focus called?

In which medium does light travel fastest?

What is the process of light spreading out as it passes through a narrow slit?

What is the study of light and its behavior?

What type of mirror is used in solar concentrators to focus sunlight?

What is the term for the change in direction of light when it enters a denser medium at an angle?

What is the term for the interference pattern produced by two coherent light sources?

What is the measure of the degree to which a lens converges or diverges light?

Which law of reflection states that the angle of incidence is equal to the angle of reflection?

What is the phenomenon where light waves reinforce each other called?

What is the bending of light as it passes from one medium to another called?

What type of lens is used to correct farsightedness?

What is the phenomenon where light is dispersed into its component colors as it passes through a prism?

What is the phenomenon where light waves cancel each other out?

What type of lens is thicker in the middle than at the edges?

What is the point at which light rays parallel to the principal axis converge or appear to converge after passing through a lens?

What type of lens is used in eyeglasses to correct nearsightedness?

What type of mirror is commonly used in vehicle headlights to converge light?