Electromagnetic radiation is considered dangerous if it has a wavelength a) in the IR range b) greater than 300nm c) above the microwave range d) less than 300nm e) above the visible range
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a) in the IR range
b) greater than 300nm
c) above the microwave range
d) less than 300nm
e) above the visible range
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- Electromagnetic radiation is: A form of energy consisting of constant electric and magnetic fields. A form of energy consisting of fluctuating electric fields. A form of energy consisting of fluctuating electric and magnetic fields. A form of energy consisting of constant electric fields. A form of energy consisting of fluctuating magnetic fieldsWhat is the wavelength (in nm) of an electromagnetic wave of frequency 11x1014 Hz? 143 347 O 310 O 394 2724. What is the intensity of an electromagnetic wave with a peak electric field strength of 110 V/m? This is not and will not be graded
- If gamma rays are higher in energy than infrared light, which of the following are true? Gamma rays travel at the same speed as infrared light. Infrared light has a lower frequency than gamma rays. Infrared light has a longer wavelength than gamma rays. a I only b I and II only c II and III only d I, II, and IIIHow is the potential energy associated with an electromagnetic wave shared between the electric and magnetic fields? O there is no potential energy associated with an electromagnetic wave more of the energy is in the electric field it is equally shared between them O more of the energy is in the magnetic fieldWhich of the following lists correctly shows the regions of the electromagnetic spectrum in order of increasing frequency? a Radio waves, infrared, microwaves, visible, ultraviolet, X-rays, gamma rays b Radio waves, infrared, microwaves, visible, ultraviolet, gamma rays, X-rays c Radio waves, microwaves, infrared, visible, ultraviolet, X-rays, gamma rays d Radio waves, infrared, microwaves, ultraviolet, visible, X-rays, gamma rays