Concave
Convex
Cylindrical
None
The light rays used for eliminating bacteria
The lightest radioactive element is
The liquid metal is
The locomotion of insects to the source of light is called :
The long range potential of nuclear energy in India depends on its reserves of
The loudness of a sound wave is determined by its
The loudness of sound depends upon
The magnifying power of an astronomical telescope can be decreased by
The magnitude of buoyant force depends on the _ of the fluid.
The magnitude of current flowing between two end points of a conductor is proportional to the potential difference between them and is called as:
