NCERT Solutions for Class 11 Science Properties of matter 1
Important Board Questions
Dimension and Measurement
NCERT Books for Session 2022-2023
CBSE Board and UP Board
One Marks Question
Name the technique used in locating. (a) an under water obstacle (b) position of an aeroplane in space.
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(a) SONAR → Sound Navigation and Ranging.
(b) RADAR → Radio Detection and Ranging.