NDA Light - Reflection and Refraction — practice questions
15 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice NDA Light - Reflection and Refraction in the app →Laws of reflection state that the angle of incidence equals the angle of reflection, AND:The image formed by a plane mirror is:The principal focus of a concave mirror is the point where:For a spherical mirror, the relation between focal length f and radius of curvature R is:The mirror formula is:Magnification produced by a spherical mirror is:When light passes from a less dense medium (air) into a denser medium (glass), it:The refractive index of a transparent medium is defined as:Snell's law of refraction is:Power of a lens of focal length f (in metres) is given by:A convex lens of focal length 25 cm has power equal to:The lens formula for a thin lens is:Total internal reflection occurs when light travels from:An object placed at the focus of a concave mirror produces an image:A convex lens of focal length 20 cm has an object placed at 30 cm from it. The image distance is: