World Geography The tide of minimum rise is called ebb tide spring tide None of these low tide ebb tide spring tide None of these low tide ANSWER DOWNLOAD EXAMIANS APP
World Geography The propagation of radio signals is greatly influence by exosphere thermosphere troposphere ionosphere exosphere thermosphere troposphere ionosphere ANSWER DOWNLOAD EXAMIANS APP
World Geography The smallest country of the world is Canada Vatican city Russia Brazil Canada Vatican city Russia Brazil ANSWER DOWNLOAD EXAMIANS APP
World Geography The unit of the light year is used for measuring speed of ships distance between bodies in the universe speed of satellites speed of rockets speed of ships distance between bodies in the universe speed of satellites speed of rockets ANSWER DOWNLOAD EXAMIANS APP
World Geography The largest dune files are found in North Africa both (a) and (b) None of these Middle East North Africa both (a) and (b) None of these Middle East ANSWER DOWNLOAD EXAMIANS APP
World Geography Ultrasound which is upper limit of human hearing is characterized by which of the following frequencies? Above 200 KHz Above 2 KHz Above 20 KHz Below 20 KHz Above 200 KHz Above 2 KHz Above 20 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.
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