M Dash Foundation: C Cube Learning

Tag: aberration

  • Primary aberration, a lecture in optics.

    Primary aberration, a lecture in optics.

    Lecture-II; delivered on 27-1-2017 In our Lecture-I  we discussed the phenomena of aberrations that arise because of a discrepancy of a first order theory and the 3rd order theory as depicted by the Maclaurin series; where we saw that first order theory represents the so called paraxial optical systems. Please have a look of the linked…

  • Aberrations, a lecture in optics.

    Aberrations, a lecture in optics.

    Optics series Lecture — I Optical Aberrations delivered on 24 – 1 – 2017 — all optics series lectures can be accessed here.  This lecture has been delivered in one of the honors class that I am teaching this semester. You will do really well to read the linked article on Optical path and Fermat’s principle…

  • I.S.C. Board Question Paper. Physics, Class XII – 2009 ( C.I.S.C.E. )

    I.S.C. Board Question Paper. Physics, Class XII – 2009 ( C.I.S.C.E. )

    Question 1  Answer all question briefly and to the point. (i) Explain the statement ‘relative permittivity of water is 81’. (ii) Draw (at least three) electric lines of force due to an electric dipole. (iii) Find the value of resistance X in the circuit below so that the junction M and N are at the…