Description : Long distance short-wave radio broad casting uses which waves?
Last Answer : Ionospheric wave
Description : Why are we able to hear shortwave broadcasts better than long wave broadcasts? (a) Short wave broadcasts are made by nearby radio stations (b) Short waves are unaffected by atmospheric ... convention, short waves are meant for long distances whereas long waves are reserved for short distances
Last Answer : Ans:(c) Direction: In the following question, a statement of Assertion (A) is given followed by corresponding Reason (R), just below it. Read the statements carefully and mark the correct answer: (a) If both A and ... true but R is not the correct explanation of A. (c) If A is true but R is false
Description : Why are we able to hear short wave broadcasts better than long wave broadcasts? (1) Short waves are more energetic than long waves (2) Short waves are unaffected by atmospheric disturbances ... convention, short waves are meant for long distances, whereas long waves are reserved for short distances
Last Answer : (1) Short waves are more energetic than long waves Explanation: Shortwave radio is used for broadcasting of voice and music, and longdistance communication to ships and aircraft, or to remote areas ... wired communication or other radio services and that's why it is more energetic than long waves.
Description : Why are we able to hear short wave broadcasts better than long wave broadcasts ? (1) Short waves are more energetic than long waves. (2) Short waves are unaffected by atmospheric ... convention, short waves are meant for long distances, whereas long waves are reserved for short distances.
Last Answer : Short waves are more energetic than long waves.
Description : The head quarter of BBC- British Broad Casting Corporation is situated in:a) New York b) Washington c) England d) None of these
Last Answer : c) England
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 : Pick out the wrong statement (A) The concentric atmosphere layer just above troposphere is called stratosphere, which is rich in ozone (B) Mesosphere is characterised by very low atmospheric ... radio waves used in the long distance radio communication are reflected back to earth by stratosphere
Last Answer : (D) The radio waves used in the long distance radio communication are reflected back to earth by stratosphere
Description : Waves that are required for long distance wireless communication are (1) Infrared rays (2) Ultraviolet rays (3) Radio waves (4) Microwaves
Last Answer : Radio waves
Description : X-rays region lies between – (1) Ultraviolet and visible region (2) Visible and infra-red region (3) Gamma-rays and ultraviolet region (4) Short radio waves and long radio waves
Last Answer : (3) Gamma-rays and ultraviolet region Explanation: X-rays region lies between Gamma rays and ultra-violet region.
Description : X-rays region lies between (1) Ultraviolet and visible region (2) Visible and infra-red region (3) Gamma-rays and ultraviolet region (4) Short radio waves and long radio waves
Last Answer : Gamma-rays and ultraviolet region
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 : An antenna located in a city is a source of radio waves. How much time does it take the wave to reach a town 12,000 km away from the city? a. 36 s b. 20 us c. 20 ms d. 40 ms
Last Answer : An antenna located in a city is a source of radio waves. How much time does it take the wave to reach a town 12,000 km away from the city? a. 36 s b. 20 us c. 20 ms d. 40 ms
Description : The mode theory uses electromagnetic wave behavior to describe the propagation of the light along the fiber. What is a set of guided electromagnetic waves called?
Last Answer : Modes of the fiber.
Description : Range of Television Broadcasting is confined to a limited distance because (a) Long waves are used (b) Short waves are absorbed by atmosphere (c) Energy of the waves is dissipated (d) Earth is spherical in shape
Last Answer : Ans:(d)
Description : With which can Radio wave of constant amplitude be generated? -Do You Know?
Last Answer : answer:
Description : For sending sound waves at large distance, which waves are used? A. Infrared waves B. Radio waves C. Light waves D. X-waves
Last Answer : ANSWER: B
Description : What phenomenon causes the radio-path horizon distance to exceed the geometric horizon? A. E-layer skip. B. D-layer skip. C. Auroral skip. D. Radio waves may be bent.
Last Answer : D. Radio waves may be bent.
Description : Radar transmits short pulses of high frequency called A. Infrared waves B. Radio waves C. Ultraviolet waves D. Sound waves
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 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 : What are some industrial uses for zinc die casting?
Last Answer : Some industrial uses for zinc die casting include measuring instruments, appliances and power tools. The most common use is for a vehicles power train.
Description : For a space wave transmission, the radio horizon distance of a receiving antenna with a height of 64 meters is approximately A. 8 km B. 32 km C. 64 km D. 256 km
Last Answer : B. 32 km
Description : For a space wave transmission, the radio horizon distance of a transmitting antenna with a height of 100 meters is approximately: A. 10 km B. 40 km C. 100 km D. 400 km
Last Answer : B. 40 km
Description : In the terminology of economics and money demand, the terms M3 and M4 are also known as : a) Short money b) Long money c) Broad money d) Narrow money
Last Answer : c) Broad money
Description : ) In the terminology of economics and money demand, the terms M1 and M2 are also known as : a) Short money b) Long money c) Broad money d) Narrow money
Last Answer : d) Narrow money
Description : This statement does not apply to the ‘Company Mission Statement’. A. Short B. Memorable C. Future Casting D. All of these options apply
Last Answer : Future Casting
Description : This statement does not apply to the ‘Company Mission Statement’. A. Short B. Memorable C. Future Casting D. All of these options apply.
Description : Pick up the correct statement from the following: (A) Air bubbles in casting produce a dull sound by tapping their surfaces lightly with a hammer (B) Cupola furnace is used for the manufacture of cast iron (C) Red short iron is of no value for welding purpose (D) All the above
Last Answer : Answer: Option D
Description : What is Broad money in India? -Do You Know?
Description : ______ uses two optical fibers and a short-wave laser source, A) 1000Base-SX B) 1000Base-LX C) 1000Base-T D) none of the above
Last Answer : 1000Base-LX
Description : The color model uses varying intensities of (R)ed, (G)reen, and (B)lue light are added together in to reproduce a broad array of colors. A. BGR Color B. Primary Color C. Analogous Color D. RGB Color
Last Answer : C. Analogous Color
Description : The longest distance covered by one Broad Gauge train in India is between (a) Kanniyakumari and Jammu Tawi (b) Guwahati and Tiruvananthpuram (c) New Delhi and Chennai (d) Gorakhpur and Cochin
Last Answer : Ans: (a)
Description : Why is the Delta of the Indus small compared to the Delta of the Ganga? (a) The Indus traverses a shorter distance than the Ganga (b) The Indus is not as broad as the Ganga (c) The path of ... through arid area, whereas the Ganga collects more water alone its path of the sea (d) None of the above
Last Answer : Ans: (c)
Description : On Broad Gauge tracks Banner flag at a level crossing shall be provided at a distance of--- ---------- from ends of check rail before opening the gate for road traffic. a) 5 meters* b) 3 meters c) 6 meters d) 30 meters
Last Answer : a) 5 meters*
Description : On Broad gauge tracks whistle indicator shall be provided at a distance of ---------- from level crossing along the track a) 400 meters b) 600 meters* c) 350 meters d) 500 meters
Last Answer : b) 600 meters*
Description : What is the standard distance between lines in Broad Gauge a. 1670 mm b. 1676 mm* c. 1665 mm d. 1680 mm
Last Answer : b. 1676 mm*
Description : A relative short and broad mould board is curved rather abruptly near the top resulting in a greater degree of pulverization is called a. Sod bottom b. Stubble bottom b. General bottom d. Slat bottom
Last Answer : b. General bottom
Description : The following strategy will promote rather than curb emergence of antibiotic resistant micro-organisms: A. Whenever possible use broad spectrum antibiotics B. Prefer a narrow spectrum ... Prefer short and intensive courses of antibiotics D. Use antibiotic combinations for prolonged therapy
Last Answer : A. Whenever possible use broad spectrum antibiotics
Description : Type of emission produced by one of the early radio transmitter in trains of damped RF ac waves where its oscillator is coupled to a long wire antenna, normally used in radio telegraph and having sidebands on its carrier. A. Digital emission B. Key emission C. Cycle emission D. Spark emission
Last Answer : D. Spark emission
Description : How long is a typical radio wave which has a frequency of 560 kilometers?
Last Answer : Need answer
Description : Has anyone ever actually picked up radio waves in their mouth?
Last Answer : It happened on Gilligan’s Island once.
Description : The absorption of radio waves by the atmosphere depends on which thing? -General Knowledge
Last Answer : The answer is 'Their frequency'
Description : By which Radio waves of constant amplitude can be generated? -General Knowledge
Last Answer : The answer is 'Oscillator'
Description : Which atmospheric layer that reflects radio waves is called? -General Knowledge
Last Answer : The answer is 'Ionosphere'
Last Answer : Ionosphere Ionosphere reflects radio waves from the earth thus, helping radio communication.