This question tests the classification of sound waves based on their frequency and the terminology associated with these classifications, specifically for frequencies outside the human audible range.
Sound waves above 20000 Hz are called
Asked in Forest Officer (RFO) 2018 · Topic: Sound (Ultrasound and Infrasound: Production, Properties, and Applications (SONAR, Medical, Industrial))
More Physics questions
- Current density is
- Which one of the following statements is not correct?
- Which one of the following laws of electromagnetism does not give the direction of magnetic field ?
- The magnetic field lines inside a current carrying long solenoid are in the form of
- A charged particle moves through a magnetic field B with a velocity v. Which one of the following statements is true for the force (F) experienced by the particle?
- In a region, the electric potential varies as shown in the figure. Which one among the following is the correct representation of the magnitude of the associated electric field ?
- Consider metallic spheres of different radii r, all at the same electrostatic potential. Then the magnitude E of the electric field just outside these spheres depends on r as :
- Magnetic dipole moment of a square current loop of side 1 cm and carrying a current of 0.10 A is :