Ch 12 Physics Class 10

• Definition of Light and write its Nature.
• Properties of Light 
• Different Phenomenon exhibited by Light
• Definition of Optics and branches of optics 
• Definition of Physical Optics 
• Definition of Geometrical Optics
• Definition of  Medium and its types
• Definition of Rarer Medium
• Definition of Denser Medium
• Definition of Luminous Objects with examples
• Definition of Non-Luminous Objects with examples
• Definition of Incident Ray
• Definition of Reflected Ray
• Definition of Point of Incidence
• Definition of Nornal 
• Definition of Angle of incidence
• Definition of Angle of reflection
• Definition of Reflection of Light
• Definition of First Laws of reflection
• Definition of Second Laws of reflection
• Definition of image and types of image
• Differentiate between real image and virtual image
• Definition of Mirror and types of Mirror
• Definition of plane mirror and characteristics of image formed by the plane mirror.
• Definition of a spherical mirror and types of spherical mirror
• Definition of concave mirror with example
• Definition of convex mirror with example
• Definition of centre of curvature with a symbol
• Definition of radius of curvature with a symbol
• Definition of pole with its symbol
• Definition of principal axis
• Definition of Aperture
• Definition of a principal focus or focus point
• Definition of focus length
• Definition of mirror equation with its mathematical form and Proof.
• Definition of magnification with a symbol and mathematical form.
• Convention for mirror equation and magnification
• Uses of mirrors
• Definition of refraction of light and also explain it.
• State laws of refraction: (i) First law of refraction (ii) second law of refraction.
• Definition of refractive index and also write its resemble and mathematical form.
• Definition of total internal reflection of light and condition of total internal reflection.
• Practical applications of total internal reflection
• Definition of Periscope and write its principle construction and working.
• Definition of prism and also explain it
• Derivation of light through prism
  
• Measurement of angle deviation and factor of angle of deviation
• Definition of a Dispersion of light
• Definition of spectrum and also Explain it.
• Definition of lenses and also basic principle of lenses.
• Uses of lenses and Types of Lenses
• Definition of convex lens and also write its types: (i) Double convex lens (ii) Plano convex lens (iii) concave convex lens.
• Definition of concave lens and types of Concave lens.
  
• Definition of Optical Centre
• Definition of Principal Axis
• Definition of Principal Focus
• Definition of Focus Length
• Sign convention of our lenses
• Definition of lens formula and also write its Mathematical form, Diagrammatically.
• Definition of linear magnification
• Definition of Resolving Power
• Definition of power of a lens and also write its Notation, Mathematically and Unit.
• Definition of Dioptre
• Definition of human eye
• Definition of Sclera
• Definition of Cornea
• Definition of defects of vision and types of defects of vision.
• Definition of Sightedness
  
• Definition of long sightedness
• Definition of angular magnification with its symbol and mathematical form.
• Definition of simple microscope with its construction and principle
• Definition of compound microscope and also its construction and Ray diagram.
• Definition of refracting telescope and also write its construction.
• Which type of lens would you use to start a fire from sun concave or convex, would work does best? At what distance from the lens should the paper be held for best result?
• If a concave mirror produces a real images, is the image necessarily inverted? Explain
• Are rearview mirrors used in cars concave or convex?
• A magician during a show makes a glass lens with n=1.47 disappears in a trough (tub) of liquid. What is the refractive index of the liquid? Could the liquid be water?
• Suppose that you were handed a lens and a ruler and told do determine the focal length of the lens. How would you proceed?
• Can we achieve total internal reflection from optically rarer medium to optical dance medium?
• Will a nearsighted person who were corrective lenses in her Glass be able to see clearly underwater when those glasses?
• When you use a simple magnifying glass, does it matter whether you hold the object to be examined closer to the lens than its focal length or farther away? Explain.
• In blind turns on hilly roads, mirrors are used to help drivers. Are these mirrors plane mirrors, concave mirrors or convex mirrors? Explain.
• Solved Numerical of Geometrical Optics Ch 12 Physics Class 10 in KPK Boards
• A 1.50 cm high object is placed 20.0 cm from a concave mirror with radius of curvature 30.0 cm. Determine (a) the position of the image, and (b) its size, also draw the ray diagrams.
• A candle of height 8.0 cm is located at a distance of 300 mm from a convex mirror its virtual image is formed behind the mirror at a distance of 3.0 cm from the pole (or vertex). Find the focal length of the mirror and height of the image formed.
• Calculate the speed of light in zircon with index of refraction n = 1.923, a material used in jewelry to replicate diamond.
• A light ray strikes an air / water surface at an angle of 46° with respect to the normal. The refractive index for water is 1.33. Find the angle of refraction when the direction of the ray is (a) from air to water and (b) from water to air.
• An optical fiber is made from flint glass with index of refraction 1.66 and is surrounded by a cladding made of crown glass with index of refraction 1.52. What is the critical angle?
• Suppose the book page is held 7.50 cm from a concave lens of focal length 10.0 cm and convex lenses of focal length -10 cm. What magnification is produced in each case?
• parcity.org Pb#07:Gulalai is viewing a flea using a magnifier with f = 3.0 cm. If her near point is at N = 25 cm then calculate the maximum magnification she can get.
• A telescope has a magnification of 40.0 and a length of 1230 mm. What are the focal lengths of the objective and eyepiece?