Differentiate between:
Donor region and Recipient region.
Donor region: A donor region is one that exports or supplies resources, labor, or goods to other regions. These regions typically have a surplus of certain resources that can be distributed.
Recipient region: A recipient region is one that receives resources, labor, or goods from other areas. These regions often lack sufficient resources to meet their demands and rely on external supplies.
Which one of the following is incorrectly matched ?
List-I (Term) | List-II (Meaning) |
(A) Physiological density | Total population/Net cultivated area |
(B) Agricultural density | Total agricultural population/Net cultivable area |
(C) Population density | Total population/Total area |
(D) Marginal worker | Total population/Total working population |
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.