echoes are produced due to
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Radar system works on (a) Electron waves (b) Magnetic waves (c) Electromagnetic waves (d) None of these
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NELSON is a term associated with cricket made by run
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The sum of exterior angles of a triangle is (a) 1200 (b) 1800 (c) 3600 (d) 2400
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Which of the following is the point of convergence for Eastern and Western Ghats? (a) Mahadeo Hills (b) Mount Abu (c) Mahabaleshwar (d) Nilgiri Hills
Clove is a (a) Seed (b) Bud (c) Fruit (d) Stem
Name the person who is know as ?Karnataka Gandhi? : (a) Ranganath Devakar (b) Karnataka Sadashiva Rao (c) Thagdur Ramchandra Rao (d) Hadekar Manjappa
Optical fibres are used for communication in LASER because (1) Interference is produced by other lasers (2) They ensure that the beam does not scatter (3) They produce atmospheric interference (4) None of these