Ultrasonic pulse echo technique, a non-destructive ultrasonic testing, is employed for any possible flaw detection in a metallic bar of thickness 30 cm. If the arrival times of the ultrasonic pulses are 45 us and 90 us respectively, the distance of the flaw from one end of the steel bar at which the ultrasonic pulse initially enters the steel bar, will be:
The correct answer is B
Who is the author of the book 'A Brief History of Time'?
The annual training exercise Operation Southern Readiness of Combined Maritime Forces (CMF) is taking place in?
Who wrote “Era of Darkenss” book?
Who is the author of the book "Breaking the Mould: Reimagining India's Economic Future"?
Recently the 2023 Breakthrough Prize in mathematics category has been awarded to?
Katie Taylor is famous boxer from which country?
The ‘International PCOS Awareness Month’ being observed in which month annually?
The author of the book 'Origin of Species' is:
The book 'Ignited Minds' was written by which of the following authors
Which of the following railway stations in India has got the ‘Eat Right Station’ certification by the FSSAI?
