(vi) Simple microscope; Compound microscope and their magnifying power.
7. Ray Optics and Optical Instruments

(vi) Simple microscope; Compound microscope and their magnifying power.

# Chapter : 7. Ray Optics and Optical Instruments

Remaining lessons :

 (i) Reflection of light by spherical mirrors. (ii) Refraction of light at a plane interface, Snell's law; total internal reflection and critical angle; total reflecting prisms and optical fibres. (iii) Refraction through a prism, minimum deviation and derivation of relation between n, A and dmin. (iv) Refraction at a single spherical surface (relation between n1, n2, u, v and R); refraction through thin lenses (lens maker's formula and formula relating u, v, f, n, R1 and R2); lens formula, combined focal length of two thin lenses in contact. Combination of lenses and mirrors [Silvering of lens excluded] and magnification. Spherical aberration. (iv) Refraction at a single spherical surface (relation between n1, n2, u, v and R); refraction through thin lenses (lens maker's formula and formula relating u, v, f, n, R1 and R2); lens formula, combined focal length of two thin lenses in contact. Combination of lenses and mirrors [Silvering of lens excluded] and magnification. Spherical aberration. (iv) Refraction at a single spherical surface (relation between n1, n2, u, v and R); refraction through thin lenses (lens maker's formula and formula relating u, v, f, n, R1 and R2); lens formula, combined focal length of two thin lenses in contact. Combination of lenses and mirrors [Silvering of lens excluded] and magnification. Spherical aberration. (iv) Refraction at a single spherical surface (relation between n1, n2, u, v and R); refraction through thin lenses (lens maker's formula and formula relating u, v, f, n, R1 and R2); lens formula, combined focal length of two thin lenses in contact. Combination of lenses and mirrors [Silvering of lens excluded] and magnification. Spherical aberration. (v) Dispersion; dispersive power; pure and impure spectrum; Scattering of light. Chromatic aberration. (v) Dispersion; dispersive power; pure and impure spectrum; Scattering of light. Chromatic aberration. (v) Dispersion; dispersive power; pure and impure spectrum; Scattering of light. Chromatic aberration. (v) Dispersion; dispersive power; pure and impure spectrum; Scattering of light. Chromatic aberration. (vi) Simple microscope; Compound microscope and their magnifying power. (vi) Simple microscope; Compound microscope and their magnifying power. (vii) Simple astronomical telescope (refracting and reflecting), magnifying power and resolving power of a simple astronomical telescope (vii) Simple astronomical telescope (refracting and reflecting), magnifying power and resolving power of a simple astronomical telescope (vii) Simple astronomical telescope (refracting and reflecting), magnifying power and resolving power of a simple astronomical telescope (viii) Human Eye, Defects of vision and their correction. (viii) Human Eye, Defects of vision and their correction.