Radio waves are used in Radar similarly which wawes are used in Sonar ?

Related Mcqs:

The scientific study of teeth is called ____________?

A. Odontology B. Ornithology C. Orthoepy D. Pedagogy...

Current stage of star ‘Sun’ is___________?

A. white dwarf B. red giant C. yellow dwarf D. orange dwarf...

Which one is Natural Satellite?

A. Sun B. Moon C. Venus D. Mercury...

What would you find in a Vivarium?

A. Birds B.  Animals C. Humans D. None of these...

Characteristic odour of garlic is due to?

A. A fluorine compoune B. A sulphur compound C. A chlorine compound D. None...