University:
Shippensburg University of Pennsylvania
Course:
PHY 205 | Intermediate Physics I
Academic year:

2022
Views:

6

Pages:

2
Author:

Lemony

optics= Speed of ware in medium R.1 (7)= Fermat's principle: light chooses path of least time, Misingi n₂ sin r (r= retraction angle) nost imagel n=368 Kangle blw mirrors) n=odd; no of images=n meren; no od de obj on angle bisector: n-1 n = decimalnsi; no fimages: [n] mirrors +++ (R=21) concave f=-ve lateral magnification (m) = = hi convex: f=tre always virtual serece Er diminished image P= Dioptre eration avoided he Spherical abbevaller bumilcar boundnes (eller image, Paraboliz = R.J. of 2nd med = water= real depth mirrors. apparent depth wit 14t med ni Tor al internal reflection: denser to saver med. usini = 1 = sin() glass = 42" water 48 35 T = 90 uses: optical fibre, prism binolar Lenses: for len ied = convex: fi+ve concave: five for 2 lenses converge diverge Riot med en=(n-1)() lens makers egn 1 = (n-1)( for double convers: Ritve Roure for double concave, Rizare Rothe Prism A=ri+r2 A+8=ite n=sini Smin Thin prima: ACIO siny, 2 for Smim initeen() eenra =NA ATS S=A(n-1) for thin prism for smalli Sis const. angular dispersion 821 = 82-81 = A (N₂-1)-A(M-1)=A(-1) mean deviation 621 62781 white Suk = Sy = Аспу-1) 2. (261) Dispersive power w= Primany rainbow natural pheromerion due to 1 sunlight: mirage of rainbow serandang rainbow Sunstrikes trom upper person isun strives from lower partion ny-1 red is above, violel ilinner red is inner, violet is angle of Sp=11421-4r angle of S=211721-65 deviation Itime reflection lamation reflection 2 times for Irainbow above violer con't be seen above fi no rainbw above 63 condition for cachromatic combi of 2 lenses 332 الله Linal chromatic abb Longitudinal spherical abberation of convex: tre 1 of Loncave -ve = optical instruments: Human eye D=25200 angulae magnification: (i) Reading glass: lateral magn Mmax = 1+ D Mmin (ii) compound microscope smaller lens: objective larger len i eye piece AB is placed blew f8525 of oby lens to give real inverted & may. image. A'B' should lie Kf of eye lens to get virtual erect mag. image magnifying power M = m. Me mo= Me = D fe < Mes H fe Ue length of tube = Vol+luel (iii) telescope. - smaller lens: eye lens larger lene objecure to magnifying powers In rein bow redband most comprehensive & viblet is narrowest length of relescopes fitte