Match the columns:
The correct matching pairs are based on literary history and classifications. The novel is a long narrative fiction, which became prominent in the 18th century with the rise of realism. Greek romances belong to early literature, from the 2nd to 6th century. Newspapers and magazines reflect the rise of middle-class readers and the spirit of realism.
Correct Answer:
1 - c
2 - d
3 - a
4 - b
Explain the construction of a spherical wavefront by using Huygens' principle.
The perpendicular distance of the plane \( r \cdot (3\hat{i} + 4\hat{j} + 12\hat{k}) = 78 \) from the origin is __________.
Derive an expression for maximum speed of a vehicle moving along a horizontal circular track.