A parabolic reflector (mirror) transforms an incoming plane wave traveling along the axis into a spherical wave converging toward the focus. Since the principles of reflection are reversible, parabolic reflectors can also be used to project energy of a source at its focus outward in a parallel beam, used in devices such as spotlights and car headlights.
Who among the following person likes Liberty?
What is the Ice-cream flavor combination choice of those who are working in Bharti Airtel?
Who among the following person lives South west of N and North west of X?
Who lives to the East of the one who likes Orange?
Who among the following person lives immediate above flat of O?
James takes leave on which day?
Six boxes, T, U, V, W, X and Y are kept one above the other (not necessarily in the same manner). There are four box between T and U. There are two boxe...
There are five persons J, K, L, M, and N, who live in a 5-storey building such that bottommost floor of the building is marked as 1, floor above it is ...
Which Box is just above the box of Skoda?
As many persons senior to Z is same as junior to _____.
