a microwave oven operates at a frequency of approximately 2450MHz. what is the corresponding wavelength? water,...
a microwave oven operates at a frequency of approximately 2450MHz. what is the corresponding wavelength? water, with its polar molecules, absorbs electromagnetic radiation primarily in the infrared portion of the spectrum. Given this fact, why are microwave ovens used for cooking food?
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a microwave oven operates at a frequency of
approximately 2450MHz. what is the corresponding wavelength? water,...
A typical microwave oven operates using radiation of wavelength 30 mm. What is the frequency of...
A typical microwave oven operates using radiation of wavelength 30 mm. What is the frequency of this radiation?
Microwave ovens heat food by creating microwave electromagnetic radiation that is absorbed by water molecules in...
Microwave ovens heat food by creating microwave electromagnetic radiation that is absorbed by water molecules in the food. Any material that does not have water in it will not absorb the radiation and will not get hot. Metals reflect the microwaves from their surfaces and disrupt the operation of the oven. Some Australians heat water in microwave ovens to make tea. What is the minimum number of microwave photons with a wavelength of 3.17 mm that will have to be...
A microwave oven operates at a frequency 2.45 GHz ( = 2.45 x 109 Hz). a)...
A microwave oven operates at a frequency 2.45 GHz ( = 2.45 x 109 Hz). a) What is the wavelength of the electromagnetic wave at this frequency in air? b) What is the size of the oven if the standing wave inside has three antinodes? c). The food warms up most at the antinodes. What is the distance between two consecutive warm spots in the food?
In a microwave oven, water molecules are forced to oscillate at the frequency of the microwave....
In a microwave oven, water molecules are forced to oscillate at the frequency of the microwave. If assume that the water molecules are forced to execute rotation of 180 degrees in the electric field of the microwave, What is the amount of energy that each water molecule absorbs from each rotation in the microwave? Water is a permanent diploe with dipole moment 6.2 times 10^30 Cm and the average field strength of the microwave is 2000N/C. Remember that the potential...
A microwave oven operates at 2.30 GHz . What is the wavelength of the radiation produced...
A microwave oven operates at 2.30 GHz . What is the wavelength of the radiation produced by this appliance? Express the wavelength numerically in nanometers.
6. A) Microwave ovens use microwaves at a frequency of 2450MHz. What is the wavelength of...
6. A) Microwave ovens use microwaves at a frequency of 2450MHz. What is the wavelength of this electromagnetic radiation? B) What is the energy of a photon at that frequency?
a microwave oven generates microwaves with a frequency of 2.45 GHz. what is the wavelength of...
a microwave oven generates microwaves with a frequency of 2.45 GHz. what is the wavelength of the microwave? what is the intensity of the microwaves if they deliver 600 W of power to a plate of food with a 30 cm diameter?
A microwave oven cooks food with microwaves of wavelength 11.8 cm. What is the frequency of...
A microwave oven cooks food with microwaves of wavelength 11.8 cm. What is the frequency of these microwaves?
A microwave oven cooks food with microwaves of wavelength 14.9 cm. What is the frequency of these microwaves?
A microwave oven cooks food with microwaves of wavelength 14.9 cm. What is the frequency of these microwaves?
Die gnt of 425 nm. 2. A typical microwave oven uses radiation of wavelength 12.2 cm...
Die gnt of 425 nm. 2. A typical microwave oven uses radiation of wavelength 12.2 cm a. How many moles of photons of this radiation are required to raise the temperature of 500.0 mL of water from 25°C to its boiling point? b. A watt (W) is a unit of power the rate at which energy is delivered or consumed (Power (W) = Energy (J)/time (s) or 1 W= 1 J/s. If all the energy of a 700-W microwave oven...
A typical microwave oven operates using radiation of wavelength 30 mm. What is the frequency of this radiation?
In a microwave oven, water molecules are forced to oscillate at the frequency of the microwave. If assume that the water molecules are forced to execute rotation of 180 degrees in the electric field of the microwave, What is the amount of energy that each water molecule absorbs from each rotation in the microwave? Water is a permanent diploe with dipole moment 6.2 times 10^30 Cm and the average field strength of the microwave is 2000N/C. Remember that the potential...
6. A) Microwave ovens use microwaves at a frequency of 2450MHz. What is the wavelength of this electromagnetic radiation? B) What is the energy of a photon at that frequency?
Die gnt of 425 nm. 2. A typical microwave oven uses radiation of wavelength 12.2 cm a. How many moles of photons of this radiation are required to raise the temperature of 500.0 mL of water from 25°C to its boiling point? b. A watt (W) is a unit of power the rate at which energy is delivered or consumed (Power (W) = Energy (J)/time (s) or 1 W= 1 J/s. If all the energy of a 700-W microwave oven...
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