What is the name of a memory buffer used to accommodate a speed differential ?

What is the phenomenon which established the transverse nature of light ?

In the question, a word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are
numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g., 'A' can be represented by 03, 55, etc., and 'P' can
be represented by 10, 99, etc.
Similarly you have to identify the set for the word 'VENU'

If a mirror is placed on the line MN, then which of the answer figures is the right image of the given figure?

A piece of paper is folded and cut as shown below in the question figures. From the given answer figures, indicate how it will appear when opened.

From the given answer figures, select the one in which the question figure is hidden/embedded.

Which answer figure will complete the pattern in the question figure?

Which of the answer figures illustrate the relationship between:

Delhi, Sri Lanka, Asia