Question

tell the full form of the following -
a. sonar
b. Radar
c. Lazar
and definition of atomic radius.
plzzz tell fast it's very urgent....

Answer 1

SONAR- Sound Navigation and ranging
RADAR- Radio detection and ranging
LASER-light amplification by stimulated emission of radiation

Answer 2

1) Sound Navigation and Ranging.
2) Radio Detection And Ranging.
3) Light Amplification by Stimulated Emission of Radiation


Atomic Radius is the distance between the center of nucleus and the outermost orbit containing last electron.

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