Physics Ultrasound devices operate with minimum frequency from 60 kHz 35 kHz 20kHz 45 kHz 60 kHz 35 kHz 20kHz 45 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Which, of the following radiations has the least wavelength ? X-rays A-rays B-rays G-rays X-rays A-rays B-rays G-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Modem is used mostly for ? All listed here Connecting to internet A modern empty memory modules Mostly for file system All listed here Connecting to internet A modern empty memory modules Mostly for file system ANSWER DOWNLOAD EXAMIANS APP
Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Doppler effect Resonance Beats Echo Doppler effect Resonance Beats Echo ANSWER DOWNLOAD EXAMIANS APP
Physics If a body moves with a constant speed in a circle Its velocity remains constant No force acts on it No work is done on it No acceleration is produced in it Its velocity remains constant No force acts on it No work is done on it No acceleration is produced in it ANSWER DOWNLOAD EXAMIANS APP
Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 0.016 2000 1000 0.008 0.016 2000 1000 0.008 ANSWER DOWNLOAD EXAMIANS APP