Question
When an opaque object in light's path becomes very small,
light tends to bend around it rather than traveling in a straight line. This phenomenon is known as:Solution
Diffraction occurs when light bends around small objects or through narrow openings. Examples include: compact discs, holograms, light entering a dark room through a small opening, crepuscular rays (sun rays through clouds), X-ray diffraction, water passing through a small gap, solar/lunar corona, and sound waves bending around obstacles.
What will come in the place of the question mark (?) in the following equation, if '+' and '-' are interchanged and 'x' and ' are interchanged?
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Select the correct mirror image of the given combination when the mirror is placed on 'PQ' as follows.Â
The film director wants an actress for the lead role of Lucy who perfectly fits the description that appears in the original screenplay. He is not willi...

Arrange the following words in the order in which they appear in an English dictionary.
1. Pleats
2. Pottery
3. Platter
4....
find the wrong term in the following series.
DWIK, HUML, LSQM, PQUN, TOXO
Based on the English alphabetical order, three of the following four letter-clusters are alike in a certain way and thus form a group. Which is the lett...
Select the set in which the numbers are related in the same way as are the numbers of the following sets. (NOTE: Operations should be performed on the w...
Select the option figure in which the given figure is embedded as its part (rotation is NOT allowed).
Six friends A, C, D, E, F and G are sitting in a straight row, facing north. They are waiting for their seventh friend B to join. Exactly three people a...