When did microwaves go on sale in Britain?

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Description : Am I the only one who notices that microwaves smell bad?

Last Answer : I think your nose is sensitive to odors which most people don’t detect. This is actually a very valuable asset – if it can be proven that you do have this capability, you can get a very well paying job with a perfumery or a winery.

Description : Why can't we put metal in microwaves, but many microwaves have metallic walls/roof?

Last Answer : When you put metal objects in the microwave, they function as an antenna, conducting electricity. Since most microwaves are putting out around 800-1500w, that's a lot of electricity to put into a piece of ... in it, is also a shield, with the little holes letting light, but not microwaves, out.

Description : If it takes 5 microwaves 5 minutes to cook 5 chickens, how long does it take 100 microwaves to cook 100 chickens? -Riddles

Last Answer : 5 minutes. We can assume that one chicken is placed in each microwave and that each chicken takes 5 minutes to cook.

Description : Microwaves are electromagnetic waves with frequency, in the range of which unit? -Do You Know?

Last Answer : Microwaves have frequencies ranging from about 1 billion cycles per second, or 1 gigahertz (GHz), up to about 300 gigahertz and wavelengths of about 30 centimeters (12 inches) to 1 millimeter (0.04 inches),

Description : What object in the universe emits microwaves?

Last Answer : Need answer

Description : Where is the microwaves radiation located on the electromagnetic spectrum in relation to other kinds of radiation?

Last Answer : Microwaves are in the UHF portion of the spectrum. Typicalfrequencies are above 100 GHz.

Description : will they take microwaves when picking up the trash on regular trash day?

Last Answer : If your microwave is a typical small one, they probably will take it. If it's a larger, built-in model they may not. If your city contracts out the trash service they probably have info on their government website about trash pickup policies.

Description : Are there any self cleaning stainless steel microwaves?

Last Answer : Yes, the Jenn Air Convection JMC9158BAS microwave is stainless steel and has a self-cleaning feature.

Description : Does an automatic 'popcorn' button come on most brands of microwaves?

Last Answer : Yes it is an available option on most microwaves

Description : What is the purpose of the metal rack that comes in some microwaves and is it safe to use the microwave with it in place?

Last Answer : The purpose of the metal racks is tohold stuff on that does not need to rotate, and the metal racks are smooth in order not to cause sparks, so unless your metal rack has been damaged it is generally safe to use.

Description : Are there microwaves that come without a spinning glass plate?

Last Answer : GE JES0738DPBB 0.7 cu. Ft. Countertop Microwave has a glass turntable.

Description : Are microwaves still dangerous to people with pacemakers?

Last Answer : Unfortunately, microwave currents can still interfere with the frequencies which regulate pacemakers.

Description : Are there microwaves available for the visually impaired?

Last Answer : There are a limited number of microwaves that will speak out information rather than display it for the visually impaired.

Description : Which of the types of electromagnetic radiation has lower energy than microwaves?

Last Answer : Radio.

Description : In heating frozen foods in sealed pouches in microwaves, why do you first poke holes in the pouch? (1) To prevent the steam pres-sure from bursting open the pouch (2) To allow the heat to get into ... into the food through the holes (4) To allow the aroma of the food to come out through the holes

Last Answer : (1) To prevent the steam pres-sure from bursting open the pouch Explanation: Anything in a tight skin or shell can explode in a microwave because the water inside can expand and burst through. It ... of shells and holes should be poked in the plastic wrap or sealed pouches of frozen packaged foods.

Description : Which of the following is used in oven? (1) X-rays (2) UV-rays (3) Microwaves (4) Radio waves

Last Answer : (3) Microwaves Explanation: An oven is a thermally insulated chamber used for the heating, baking or drying of a substance and most commonly used for cooking.

Description : Which of the following is used in oven? (1) X-rays (2) UV rays (3) Microwaves (4) Radiowaves

Last Answer : (3) Microwaves Explanation: An oven that uses micro radiation waves as a source of heat in order to cook food as opposed to a fire source. Conceptualized in 1946, Dr. Perry ... appliance that heats food by dielectric heating accomplished with radiation used to heat polarized molecules in food.

Description : The radiation initially produced in fluorescent tube is – (1) infrared (2) ultraviolet (3) microwaves (4) X-rays

Last Answer : (2) ultraviolet Explanation: The primary radiation that is initially produced within a fluorescent lamp is analogous to that emitted by a low pressure mercury lamp. Fluorescent lamps produce UV radiation by ... coating on the inside of the tubes absorbs the UV and converts it to visible light.

Description : Waves that are required for long distance wireless communication are – (1) Infrared rays (2) Ultraviolet rays (3) Radio waves (4) Microwaves

Last Answer : (3) Radio waves Explanation: Wireless communication is the transfer of information between two or more points that are not connected by an electrical conductor. With radio waves distances can be short ... , or as far as thousands or even millions of kilometres for deep-space radio communications.

Description : To measure the speed of an approaching car a police officer shines – (1) light waves on it (2) microwaves on it (3) radio waves on it (4) ultra high frequency waves on it

Last Answer : (3) radio waves on it Explanation: Radar, which stands for radio detection and ranging, is a system that uses reflected radio waves to detect objects and measure their distance and speed. For example, police use radar to calculate the speed of cars.

Description : Period of oscillation of 3 cm microwaves in seconds is (1) 1 x 10¹⁰ (2) 1 x 10⁻¹⁰ (3) 0.01 (4) 0.001

Last Answer : (2) 1 x 10⁻¹⁰ Explanation: The period of oscillation of 3 cm microwaves is 1 x 10^-10 (Physics, Volume 1, by Halliday). The period of oscillation is the smallest interval of time in which a system undergoing oscillation returns to the state it was in at the beginning of the oscillation.

Description : Laser is a device to produce - (1) a beam of white light (2) coherent light (3) microwaves (4) X-rays

Last Answer : (2) coherent light Explanation: In physics, two wave sources are perfectly coherent if they have a constant phase difference and the same frequency, and the same waveform. Coherence is an ideal property of waves that enables stationary (i.e. temporally and spatially constant) interference.

Description : Radio waves, microwaves, infra-red spectrum, ultraviolet rays, X-rays and gamma rays are classified as ______. (1) light waves (2) electromagnetic waves (3) electric waves (4) magnetic waves

Last Answer : (2) electromagnetic waves Explanation: Electromagnetic radiation is the radiant energy released by certain electromagnetic processes. It consists of electromagnetic waves which are synchronized oscillations of electric and magnetic fields that propagate at the speed of light through a vacuum.

Description : The main benefit of light-wave communications over microwaves or any other communications media is a. Lower cost b. Better security c. Wider bandwidth d. Freedom from interference

Last Answer : c. Wider bandwidth

Description : What are the electromagnetic radiations of wavelengths less than 300 angstroms? A. X-rays B. Ultraviolet rays C. Infrared D. Microwaves

Last Answer : A. X-rays

Description : Microphone converts sound energy into ------? A. Microwaves B. Electrical signals (Answer) C. Optical Signals D. Heat energy

Last Answer : B. Electrical signals (Answer)

Description : ________ are usedfor short-range communications such as those between a PC and aperipheral device. A) Radio waves B) Microwaves C) Infrared waves D) none of the above

Last Answer : Infrared waves

Description : _____ are used for cellular phone, satellite,and wireless LAN communications. A) Radio waves B) Microwaves C) Infrared waves D) none of the above

Last Answer : Microwaves

Description : Microwaves are_________. A) omnidirectional B) unidirectional C) bidirectional D) none of the above

Last Answer : unidirectional

Description : The slowest transmissionspeeds are those of A. twisted-pair wire B. coaxial cable C. fiber-optic cable D. microwaves

Last Answer : twisted-pair wire

Description : …….are used for short-range communications such as those between a PC and aperipheral device. a. Radio waves b. None of These c. Microwaves d. Infrared waves

Last Answer : d. Infrared waves

Description : ……………are used for cellular phone, satellite, and wireless LAN communications. a. Microwaves b. Radio waves c. None of these d. Infrared waves

Last Answer : a. Microwaves

Description : For bactericidal activity,__________ has/have the ability to cause thymine dimer formation. a. X rays b. B ultraviolet light a. Gamma Rays b. Microwaves

Last Answer : b. B ultraviolet light

Description : Laser is a device to produce (A) Gamma rays (B) Microwaves (C) A beam of white light (D) A beam of coherent light

Last Answer : Option B

Description : oining of thin foils is preferred to be done by (A) Gamma rays (B) X-rays (C) Microwaves (D) Gas welding

Last Answer : Option C

Description : Joining of thin foils is preferred to be done by (A) Gamma rays (B) X-rays (C) Microwaves (D) Gas welding

Last Answer : Option C

Description : Microwaves can be focused and reflected in the same way as what other type of waves?

Last Answer : Light waves.

Description : The main benefit of light wave communications over microwaves or any other communications media are ∙ A. lower cost ∙ B. better security ∙ C. wider bandwidth ∙ D. freedom from interface

Last Answer : C. wider bandwidth

Description : They wrote a paper describing how it was possible to use stimulated emission for amplifying light waves (laser) as well as microwaves (maser). ∙ A. Theodore Maiman ∙ B. KC Kao and GA Bockham ∙ C. Charles Townes and Arthur Schawlow ∙ D. Kapron, Keck and Maurer

Last Answer : C. Charles Townes and Arthur Schawlow

Description : The main benefit of light-wave communications over microwaves or any other communications media is ∙ a. Lower cost ∙ b. Better security ∙ c. Wider bandwidth ∙ d. Freedom from interference

Last Answer : c. Wider bandwidth

Description : They wrote a paper describing how it was possible to use stimulated emission for amplifying light waves (laser) as well as microwaves (maser).

Last Answer : Charles Townes and Arthur Schawlow

Description : Pair production can be studied with a) Ultraviolet rays b) X-rays c) Microwaves d) -rays

Last Answer : d) -rays

Description : ____ are used in medical research and therapy in many hospitals and universities. a. Radioisotopes c. Satellites b. Microwaves d. Mice

Last Answer : a. Radioisotopes

Description : EPROM contents can be erased by exposing it to (A) Ultraviolet rays. (B) Infrared rays. (C) Burst of microwaves. (D) Intense heat radiations.

Last Answer : (A) Ultraviolet rays. EPROM contents can be erased by exposing it to Ultraviolet rays (The Ultraviolet light passes through a window in the IC package to the EPROM chip where it releases stored charges. Thus the stored contents are erased).

Description : A solar cell does NOT respond to red light, but DOES respond to green light. The solar cell will be able to respond to: w) microwaves x) infra-red light y) ultraviolet light z) all of the above

Last Answer : ANSWER: Y -- ULTRAVIOLET LIGHT

Description : Of the following, the most energetic form of NON-IONIZING radiation is: w) ultra-violet light x) infra-red light y) radar z) microwaves

Last Answer : ANSWER: W -- ULTRA-VIOLET LIGHT

Description : Which wave has the highest frequency? w) microwaves x) infrared waves y) ultraviolet waves z) radio waves

Last Answer : ANSWER: Y -- ULTRAVIOLET WAVES

Description : A color television set employs a 25,000 volt electron accelerator to produce the picture and potentially harmful radiation which must be shielded against. The main component of this radiation consists ... which penetrate the picture tube x) soft x-rays y) microwaves z) ultraviolet radiation 

Last Answer : ANSWER: X -- SOFT X-RAYS

Description : 1. How many orangutans disappear each year as result of palm oil farming? 2. Who decides about the reasonableness of the restrictions placed on Fundamental Rights? 3. Microwaves are electromagnetic waves with ... 19. Where is Over 90% of the world's biomass? 20. Who deciphered the Brahmi script?

Last Answer : Answer : 1. 5000 2. Courts 3. Giga hertz 4. Tundra region 5. Kharavela 6. MRF 7. Lillehammer 8. Javan rhino 9. Evergreen forests 10. Prakrit 11. Directive Principle 12. An atom 13. Rs. 100 ... 16. Arati Saha 17. A greater flamingo 18. Finance Bills 19. In tropical rain forests 20. James Princep

Description : Which of the following statements is not true with respect to microwaves? (A) Electromagnetic waves with frequencies from 300 GHz to 400 THz. (B) Propagation is line-of-sight. (C) Very ... waves cannot penetrate walls. (D) Use of certain portions of the band requires permission from authorities.

Last Answer : (A) Electromagnetic waves with frequencies from 300 GHz to 400 THz.