What is the reason for formation of Mirage in desert?
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Which of the following is a Non-Luminous body?
Insulators have resistivity of the order of
The radius of curvature of a concave mirror is 30 cm. Following Cartesian Sign Convention, its focal length is expressed as
___________ is obtained by evaporation of sea.
Cannis Familiaris is the scientific name of
__________ approves constitutional amendments.
Comptroller and Auditor General of India is appointed by ______.