Tag: diffraction

  • What happens when squirrels do not move.

    What happens when squirrels do not move.

    Stationary state and squirrels ! Okay so the squirrel isn’t moving around so much, giving a fuzzy image. We can call the instant during which the squirrel wasn’t moving akin to a “gross” stationary state. But why is the railing of window fuzzy? It isn’t moving ! Diffraction. Due to diffraction enough light is coming…

  • 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…