World Geography Ultrasound which is upper limit of human hearing is characterized by which of the following frequencies? Above 20 KHz Below 20 KHz Above 200 KHz Above 2 KHz Above 20 KHz Below 20 KHz Above 200 KHz Above 2 KHz ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Ultrasound refers to a sound wave with a frequency greater than the upper limit of human hearing, which is generally over 20 kHz. In general, humans can hear sounds with a frequency between 20 Hz and 20 kHz.
World Geography The progressive wave theory regarding of tides was put forth by G.B. Airy Issac Newton R.A. Harris William Whewell G.B. Airy Issac Newton R.A. Harris William Whewell ANSWER DOWNLOAD EXAMIANS APP
World Geography The major motion of the planet earth includes rotation any of these depending upon the question under construction revolution both (a) and (b) rotation any of these depending upon the question under construction revolution both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
World Geography The term 'regur' refers to red and yellow soils black cotton soils lateral soils deltaic alluvial soils red and yellow soils black cotton soils lateral soils deltaic alluvial soils ANSWER DOWNLOAD EXAMIANS APP
World Geography Cocos plate lies between: South America and Pacific Plate. North America and Pacific Plate. Central America and Pacific Plate. None of these South America and Pacific Plate. North America and Pacific Plate. Central America and Pacific Plate. None of these ANSWER DOWNLOAD EXAMIANS APP
World Geography On which planet, due to its clockwise (east to west) rotation on the axis, the Sun rises in the west and sets in the east ? Mars Mercury Earth Venus Mars Mercury Earth Venus ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Venus rotates on its polar axis backwards compared to Earth, so a Venus sunrise occurs in the west and sunset in the east.
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