World Geography Ultrasound which is upper limit of human hearing is characterized by which of the following frequencies? Above 200 KHz Above 20 KHz Above 2 KHz Below 20 KHz Above 200 KHz Above 20 KHz Above 2 KHz Below 20 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 Which among the following mountain passes connects Manali and Leh? Thang La Khardung La Bara Lacha La Jelep La Thang La Khardung La Bara Lacha La Jelep La ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The Bara Lacha la or the Bara La pass is situated on the National Highway in the state of Jammu and Kashmir. It connects Manali and Leh.
World Geography The Palaeozoic era starts at ____ million years ago and ends at ____ million years ago. 570, 225 500, 100 470, 225 470, 150 570, 225 500, 100 470, 225 470, 150 ANSWER DOWNLOAD EXAMIANS APP
World Geography The place where material is excavated when the zone of maximum stream velocity approaches the stream's bed is called flood plain scoured pools riffles ox-bow lakes flood plain scoured pools riffles ox-bow lakes ANSWER DOWNLOAD EXAMIANS APP
World Geography The longest day (shortest night) in the southern hemisphere is 44157 44187 44003 44033 44157 44187 44003 44033 ANSWER DOWNLOAD EXAMIANS APP
World Geography The progressive wave theory regarding of tides was put forth by Issac Newton G.B. Airy R.A. Harris William Whewell Issac Newton G.B. Airy R.A. Harris William Whewell ANSWER DOWNLOAD EXAMIANS APP
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