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Mind palace on Geometrical Optics (in Hindi)
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All the formulas and theory condensed in 15 minutes

Udit Gupta is teaching live on Unacademy Plus

Udit Gupta
A Mechanical Engineer from NIT Allahabad here to help learners with physics. Also a Star ⭐ educator.

Unacademy user
Thanks sir...It was very helpful.
sir i want magnetism and emi and some basic topics like units and dimension, instruments,errors
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ayushi plzz phle ray optics upload ho jaane do plzzz

  2. WELCOME TO THE 1ST MIND PALACE! TODAY WE DISCUSS GEOMETRICAL OPTICS DONT FORGET TO CHECK THE SPECIAL GLASSES &PLUS COURSED Apos Other bookom unacademy Home minus oday Serch Coss Topis&Educa Browse Courses ALL Railway Examinations Class 12 NTA-UGCNET GATE (Civil RPSC CTET MPSc SSC CGL IT JEE Exams CAT UPSC CSE GATE (CS and IT) CDS NDA/ AFCAT IIT JEE Crash Course on Physics through 750 Important Questions Last date to apply is 29th Oct Soil, Classification and Distribution Exam Oriented Discussion on Numbers and Operation Understanding Fluid Flow through Top Festivais and Fairs of Rajasthan 7,500 21 21 t Udit Gupta

  3. Geometrical Optics Reflection Refraction Different medium Plane Mirrors Spherical Mirrors Prism Lens General formula .Lensmaker Mirror formula . Angle of prism and . Combination of . Angular dispersion . Deviation Number of images e Magnification . Sign convention Apparent Depth formula . Lateral Kinematics in mirrors . Thin lens . Magnification .Special Cases prism . Minimum Shift length . Newton's formula . Dispersive power

  4. Deviation: When two mirrors are placed at an angle , if a ray strikes one of the mirror at angle with the normal of first and with the normal of the second, Deviation produced by the combination of two plane mirrors is: 360-2( + ) 360-2 Number of images: In this case the number of images is given as, n 1,foreven 360 360 Minimum length L of a mirror to see complete image of: .A person in the mirror: L (Height of person) .A wall behind a person in the mirror: 360 360 nfor L - Height of the wall)

  5. Kinematics in mirrors: If object is approaching the focus of a concave mirror from infinity with a speed vi dv f2 du Newton's formula: If the object distance (x1) and image distance (x2) are measured from focus,

  6. Special Cases: If half portion of lens is covered by black paper then only intensity of image will be reduced. . If a lens is made of number of refractive indices, for a given wavelength, number of images number of refractive indices . If a lens is cut into two equal parts by a vertical plane, focal length of each part is, - 2 x (focal length of original lens

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