ucture.com 5 1 point An electron moving perpendicular to a uniform magnetic field 0.500 T undergoes circular motion of radius 2.80 mm. What is the speed of electron? O 1.127 x10^8 m/s cannot be solve 3.512 x10^8 m/s O 2.195 x10^8 m/s Previous1 point What is the basic unit of sound intensity? watts decibel O hertz O lumens PreviousSummative Assessment 2 Physics (New) 1 1 point What will happen to the light when it passes from a higher index of refection to a lower index of refraction? nothing will change the ray of light moves away the normal line the ray of light moves towards the normal line the light will disperseReturn 12 1 point What principle states that when the magnetic flux linking a circuit changes, an electromotive force is induced in the circuit proportional to the rate of change of the flux linkage? O Charle's Law O Lenz Law Ohm's Law O Faraday's Law Previous Next Activate Windows 5:09 PM 5/8/2022 Cortana Ask me anythingReturn 9 1 point Described as the effect produced by a moving source of waves in which there is an apparent upward shift in frequency for observers towards whom the source is approachin and an apparent downward shift in frequency for observers from whom the source is receding. O diffusion noise doppler effect OO reverberation Previous Next 5:08 Cortana. Ask me anything. e W 9 6 5/8/22 1 point The sensation of a sound frequency is called what? pitch OO ultrasound noise infrasound Previous13 1 point What is the lens strength of a lens with focal strength of +0.2 m? O cannot be determined 5 diopter 1 diopter O 0.2 diopter Previous10 1 point It comprises only a short fraction of the whole scale of electromagnetic radiation, refers to the light that we see with our eyes. O infrared electromagnetic spectrum O picture visible light spectrum Previousinstructure.com 4 1 point The human ear is capable of detecting sound waves at what range? 15 Hz to 25 000 Hz 20 Hz to 20 000 Hz more than 20 000 Hz O less than 20 Hz Previous8 1 point In electromagnetism, what law states that an induced electric current flows in a direction such that the current opposes the change that induced it? O Faraday's Law Charle's Law Lenz Law Lorentz Force Law Previous W W ana. Ask me anything.Ilslinstructure.com 11 1 point What EM wave can penetrate thin layer of material and used to detect bone fracture? O X-ray infrared microwave gamma ray Previousnstructure.com 3 1 point Magnetic force is always perpendicular to velocity, so that it does no work on the charged particle. O No answer text provided. O False O No answer text provided. O True Previous