Midterm physics quiz

physics

Question #1: A large, smooth interface is usually called?

specular reflector impedance absorption scattering


Question #2: what is primarily responsible for imaging the internal structure of of organs?

scattering specular reflection refraction diffraction


Question #3: what happen If the number of cycles in a pulse is increased but the wavelength remains the same?

The frequency is increased The propagation speed is increased The pulse duration is increased The period is increased


Question #4: Bandwidth refers to:

Number of cycles per pulse Range of frequencies in a pulse Rate of pulse repetition frequency Range of pulse in a frame


Question #5: Which of the following is true?

SPTA is always equal to or greater than SPTP SPTP is always equal to or greater than SPTA SATA is always equal to or greater than SATP SPTA is always equal to or greater than SATP