NOW ENROLLING FOR TEST SERIES I.C.S.E. 2023 -24 STD VIII IX AND X

STD IX – LIGHT – ARCHIMEDES

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REFLECTION OF LIGHT FROM A PLANE SURFACE

Reflection of point object and line objects

REFLECTION FROM A PAIR OF MIRRORS

Number of images formed is given by the formula n = 3600/θ where θ  is the angle between 2 mirrors

REFLECTION FROM SPHERICAL MIRRORS

MAGNIFICATION AND MIRROR FORMULA

Mirror formula : 1/f = 1/v + 1/u

USES OF SPHERICAL MIRROR

CONVEX MIRROR USES

  1. rear-view mirror in automobiles.
  2. Reflector for parking lots
  3. In street lamp as reflector

CONVEX MIRROR USES

  1. Shaving mirror
  2. Dentist head mirror
  3. In torch as reflector
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What Will You Learn?

  • Direction of incident and reflected ray and intersection of reflected rays
  • Technical terms and their application
  • Uses of types of mirror and magnification
  • Numericals

Course Content

REFLECTION THROUGH PLANE MIRRORS
Here we learn about the laws of reflection, Distance of images, ray diagram for point objects and line objects and simple numerical problems based on distance of object and image from plane mirrors. The property of mirror interchanging the right and left side - Lateral inversion

ASSIGNMENTS AND DUE DATES

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