Q

Which statement about ultrasound is incorrect?

RRB NTPC (Stage-I) 08/03/2021 (Shift-I) 2021
✓ Answer: D It cannot be reflected from defective locations
Ultrasound can reflect from internal defects, allowing cracks and flaws to be detected.
← Previous Question Next Question →

📚 Related Questions

1 What happens to the work done if the displacement becomes zero despite… 2 The speed of light is _____. 3 Mechanical energy equals: 4 Which device does not have an optical lens? 5 The attractive force directly proportional to the product of two masses and… 6 Which sign convention for focal length f and radius of curvature R…