Find CBSE Class 12th Physics Question Paper 2014 set -1. Get the idea that what types of questions had been asked in the cbse class 12th board exam Physics question paper. The pattern in which the Question Paper is set is quite different from the manner in which the course structure is defined actually. Inspite of the predefined Course Curriculum, there are certainly some loop holes between the question paper formed and the content of the course. Henceforth, students need to identify these gaps and catch up where the textbooks left off, if they want to get acquainted with the examination pattern. This not only helps them prepare for exams in a better manner but also helps themin understanding the depth with which a topic should be studied.
Few Sample Questions from this paper are as follows:
Q. Using the concept of force between two infinitely long parallel current carrying conductors, define one ampere of current.
Q. Using Rutherford model or the atom, derive the expression for the total energy of the electron in hydrogen atom what is the significance of total negative energy possessed by the electron?
Q. A convex lens or focal length 20 cm is placed coaxially with a convex mirror of radius or curvature 20 cm. The two are kept at 15 cm from each other. A point object lies 60 cm in front or the convex lens. Draw a ray diagram to show the formation or the image by the combination. Determine the nature and position or the image formed.
Q. Describe briefly how a diffraction pattern is obtained on a screen due to a single narrow slit illuminated by a monochromatic source of light. Hence obtain the conditions for the angular width of secondary maxima and secondary minima.
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