The frequency of the microwave used in a microwave oven is 2450 MHz. What is the wavelength of the microwave?
The frequency of the microwave used in a microwave oven is 2450 MHz. What is the...
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?
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 these microwaves?
A microwave oven cooks food with microwaves of wavelength 14.9 cm. What is the frequency of these microwaves?
A typical microwave oven operates using radiation of wavelength 30 mm. What is the frequency of this radiation?
Nearly all of the microwave ovens now sold in the U.S. operate at what frequency? Answer 2450 MHz 1356 MHz 915 MHz 3000 MHz
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?
i need help with this problems Problem 7 Two microwave frequencies are authorized for use in microwave ovens: 900 MHz and 2,560 MHz. a) On its highest power setting, a microwave oven can produce 1.00 kW of power onto a 30.0 by 40.0 cm area. What is the intensity in W/m2? b) Calculate the peak electric and magnetic field strength in these waves. c) The maximum safe intensity of microwaves for human exposure is 1.00 W/m. If a radar unit...
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...
(13%) Problem 4: Suppose a microwave oven has a power output of 0.85 kW at a frequency of 2560 MHz. atus us D à How many photons are emitted per second by the antenna of the mi crowave oven?