Which layer of the atmosphere contains the ionosphere?

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Answer :

i donot know

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Description : Which layer of the atmosphere contains the ionosphere?

Last Answer : i donot know

Description : Which layer of the earth's atmosphere contains the ozone layer? (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere

Last Answer : (4) Stratosphere Explanation: The ozone layer is a region of Earth's stratosphere. It is mainly found in the lower portion of the stratosphere, from approximately 20 to 30 kilometres (12 to 19 mi) ... nm to 315 nm wavelength), which other-wise would be harmful to exposed life forms on the earth.

Description : Which layer of the earth’s atmosphere contains the ozone layer ? (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere

Last Answer : Stratosphere

Description : Which of the following is the uppermost layer of the atmosphere? (1) Stratosphere (2) Mesosphere (3) Ionosphere (4) Exosphere

Last Answer : (4) Exosphere Explanation: The exosphere is the outermost layer of Earth's atmosphere. It extends from the exobase, which is located at the top of the thermosphere at an altitude of about ... molecules. The exosphere is located too far above Earth for any meteorological phenomena to be possible.

Description : The layer of atmosphere close to the earth's surface is called – (1) Exosphere (2) Troposphere (3) Stratosphere (4) Ionosphere

Last Answer : (2) Troposphere Explanation: The troposphere is the lowest layer of Earth's atmosphere and site of all weather on Earth. It is bonded on the top by a layer of air called the Tropopause, which separates the troposphere from the stratosphere and on bottom by the surface of the Earth.

Description : The lower layer of atmosphere is called (1) exosphere (2) troposphere (3) ionosphere (4) mesosphere

Last Answer : (2) troposphere Explanation: The troposphere is the lowest layer of the Earth's atmosphere, The air is very well mixed and the temperature decreases with altitude.

Description : In atmosphere the lowermost layer is – (1) troposphere (2) exosphere (3) ionosphere (4) strato sphere

Last Answer : (1) troposphere Explanation: The troposphere is the lowest portion of Earth's atmosphere. It contains approximately 80% of the atmosphere's mass and 99% of its water vapor and aerosols. The average ... in winter. Most of the phenomena we associate with day-to-day weather occur in the troposphere

Description : The layer of the atmosphere in which Radio Waves are reflected back is called- (1) Ionosphere (2) Troposphere (3) Stratosphere (4) Exosphere

Last Answer : (1) Ionosphere Explanation: The Radio waves are reflected back to Earth in the Ionosphere which is an electrically charged layer of the upper atmosphere. This process is used to communicate beyond the horizon, atintercontinental distances, mostly in the shortwave frequency bands.

Description : The layer of atmosphere used for radiowave transmission is – (1) chromosphere (2) troposphere (3) ionosphere (4) stratosphere

Last Answer : (3) ionosphere Explanation: The ionosphere is a part of the upper atmosphere and is ionized by solar radiation. It plays an important part in atmospheric electricity and forms the inner ... importance because, among other functions, it influences radio propagation to distant places on the Earth.

Description : Which layer of the earth’s atmosphere reflects back the radio waves to the earth’s surface? (1) Ionosphere (2) Stratosphere (3) Mesosphere (4) Exosphere

Last Answer : (1) Ionosphere Explanation: Long distance propagation of radio waves depends on an invisible layer of charged particles, which envelops the Earth. This layer of charged particles known as the ionosphere ... communication during the early part of the twentieth century, the ionosphere came as a boon.

Description : The lowest layer of atmosphere is known as the (A) Stratosphere (B) Troposphere (C) Ionosphere (D) None of these

Last Answer : (B) Troposphere

Description : The upper layer of atmosphere is called the (A) Stratosphere (B) Troposphere (C) Ionosphere (D) None of these

Last Answer : (A) Stratosphere

Description : The layer of atmosphere used for radio-wave transmission is (1) chromosphere (2) troposphere (3) ionosphere (4) stratosphere

Last Answer : ionosphere

Description : Which layer of the earth’s atmosphere reflect back the radio waves to the earth’s surface ? (1) ionosphere (2) stratosphere (3) mesosphere (4) exosphere 

Last Answer : ionosphere

Description : Which of the following is the uppermost layer of the atmosphere? (1) Stratosphere (2) Mesosphere (3) Ionosphere (4) Exosphere

Last Answer : Exosphere

Description : The layer of atmosphere close to the earth’s surface is called (1) Exosphere (2) Troposphere (3) Stratosphere (4) Ionosphere

Last Answer : Troposphere

Description : The layer of the atmosphere in which Radio Waves are reflected back is called ; (1) Ionosphere (2) Troposphere (3) Stratosphere(4) Exosphere

Last Answer : Ionosphere

Description : The lower layer of atmosphere is called (1) exosphere (2) troposphere (3) ionosphere (4) mesosphere

Last Answer : troposphere

Description : In atmosphere the lowermost layer is (1) troposphere (2) exosphere (3) ionosphere (4) strato sphere

Last Answer : troposphere

Description : Match List I (Layers of Atmosphere) and List II (Characteristics) and select the correct answer using the code given below. L ist I L i st I I (L ayer of (Char acter ist ics) At mospher e) A. Ionosphere I. Contains Ozone B. ... D-III (3) A-II, B-III, C-I, D-IV (4) A-III, B-I, C-IV, D-II

Last Answer : 2) A-II, B-I, C-IV, D-III

Description : Which atmospheric layer contains ozone layer? (1) Genosphere (2) Zonosphere (3) Stratosphere (4) Ionosphere

Last Answer : (3) Stratosphere Explanation: The ozone layer is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet (UV) radioation.

Description : Coke is made by heating coal in the absence of air at: A. 700 °C B. 1300 °C C. 900 °C D. 1700 °C ANSWER: Most of the ozone in the atmosphere is concentrated in the _____ A. Mesosphere B. Troposphere C. Stratosphere D. Ionosphere

Last Answer : ANSWER: C

Description : Daily weather changes in the atmosphere are associated with – (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere

Last Answer : (1) Troposphere Explanation: The lowest layer of the atmosphere, 6 miles (10 km) high in some areas and as much as 12 miles (20 km) high in others, within which ... temperature with increasing altitude and within which nearly all cloud formations occur and weather conditions manifest themselves.

Description : A level of atmosphere which is composed partly of electrons and positive ions is called – (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Mesosphere

Last Answer : (2) Ionosphere Explanation: Ionosphere is composed partly of electrons and positive ions. It is a region of Earth's upper atmosphere, from about 60 km to 1,000 km altitude, that is ionized by solar radiation. This layer is also called thermosphere as its temperature rises with height.

Description : Density of the earth's atmosphere is highest in the – (1) Troposphere (2) Stratosphere (3) Mesosphere (4) Ionosphere

Last Answer : (1) Troposphere Explanation: Over 99% of the mass of the earth's atmosphere is contained in two layers: the troposphere and the stratosphere. Most of the earth's atmosphere (80 to 90%) is found in the ... . This layer, where the earth's weather occurs, is within about 12 km of the earth's surface.

Description : Where is the noise generated that primarily determines the signal-to-noise ratio in a VHF (150MHz) marine-band receiver? A. Man-made noise B. In the atmosphere C. In the receiver front end D. In the ionosphere

Last Answer : C. In the receiver front end

Description : What causes the maximum usable frequency to vary? A. The temperature of the ionosphere B. The speed of the winds in the upper atmosphere C. The type of weather just below the ionosphere D. The amount of radiation received from the sun

Last Answer : D. The amount of radiation received from the sun

Description : Where is the noise generated that primarily determines the signal-to-noise ratio in a VHF (150 MHz) marine-band receiver? A. In the ionosphere B. In the receiver rear end C. In the receiver front end D. In the atmosphere

Last Answer : C. In the receiver front end

Description : Most of the ozone in the atmosphere is concentrated in the------? A. Mesosphere B. Troposphere C. Stratosphere (Answer) D. Ionosphere

Last Answer : C. Stratosphere (Answer)

Description : The lowest region of the earth’s atmosphere comes between the earth and stratosphere. what is this region’s name? A. Ionosphere B. Troposphere (Answer) C. Stratosphere D. Mesosphere

Last Answer : B. Troposphere (Answer)

Description : Weather describe the condition of --- at any one time. A. The earth B. The land surface C. The atmosphere (Answer) D. The ionosphere

Last Answer : C. The atmosphere (Answer)

Description : Which among the following is the correct sequence of the various layers of the Atmosphere from the Earth's surface? A. Ionosphere, Mesosphere, Stratosphere, Troposphere B. ... . Troposphere, Stratosphere, Mesosphere, Ionosphere (Answer) D. Troposphere, Ionosphere, Stratosphere, Mesosphere

Last Answer : C. Troposphere, Stratosphere, Mesosphere, Ionosphere (Answer)

Description : Most of the ozone in the atmosphere is concentrated in the -------? A. Mesosphere B. Troposphere C. Stratosphere (Answer) D. ionosphere

Last Answer : C. Stratosphere (Answer)

Description : The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the (A) Ionosphere (B) Troposphere (C) Stratosphere (D) None of these

Last Answer : (B) Troposphere

Description : The jet-stream lies between which two layers of th earth's atmosphere? w) thermosphere and ionosphere x) mesosphere and thermosphere y) troposphere and stratosphere z) stratosphere and mesosphere

Last Answer : ANSWER: Y -- TROPOSPHERE AND STRATOSPHERE

Description : A level of atmosphere which is composed partly of electrons and positive ions is called (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Mesosphere

Last Answer : Ionosphere

Description : Density of the earth’s atmosphere is highest in the (1) Troposphere (2) Stratosphere (3) Mesosphere (4) Ionosphere

Last Answer : Troposphere

Description : Daily weather changes in the atmosphere are associated with (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere

Last Answer : Troposphere

Description : The atmospheric layer closest to the earth is: (1) Mesosphere (2) Hydrosphere (3) Troposphere (4) Ionosphere

Last Answer : (3) Troposphere Explanation: The troposphere is the lowest portion of Earth's atmosphere. It contains approximately 80% of the atmosphere's mass and 99% of its water vapor and aerosols. Most of the phenomena we associate with day-to-day weather occur in the troposphere.

Description : The atmospheric layer farthest from the Earth's surface is known as– (1) Stratosphere (2) Exosphere (3) Ionosphere (4) (4)Mesosphere

Last Answer : (2) Exosphere Explanation: The Radio waves are reflected back to Earth in the Ionosphere which is an electrically charged layer of the upper atmosphere. This process is used to communicate beyond the horizon, at intercontinental distances, mostly in the shortwave frequency bands.

Description : The layer where the decrease in temperature with increasing altitude is totally absent is – (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Mesosphere

Last Answer : (3) Stratosphere Explanation: The stratosphere defines a layer in which temperatures rises with increasing altitude. At the top of the stratosphere the thin air may attain temperatures close to ... . Consequently, the stratosphere is almost completely free of clouds or other forms of weather.

Description : Ozone layer is present in - (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Exosphere

Last Answer : (3) Stratosphere Explanation: The ozone layer is mainly found in the lower portion of the stratosphere from approximately 20 to 30 kilometres above Earth, though the thickness varies seasonally and ... in general thicker during the spring and thinner during the autumn in the northern hemisphere.

Description : The atmospheric layer reflecting radio waves is called – (1) Ozonosphere (2) Ionosphere (3) Stratosphere (4) Mesosphere

Last Answer : (2) Ionosphere Explanation: The ionosphere is a part of the upper atmosphere, from about 85 km to 600 km altitude, comprising portions of the mesosphere, thermosphere and exosphere, ... importance because, among other functions, it influences radio propagation to distant places on the Earth.

Description : A radio communications link is to be established via the ionosphere. The maximum virtual height of the layer is 100 km at the midpoint of the path and the critical frequency is 2 MHz. The distance between stations is 600 ... optimum working frequency? A. 6.32 MHz B. 2.1 MHz C. 5.4 MHz D. 1.8 MHz

Last Answer : C. 5.4 MHz

Description : Which region of the ionosphere is mainly responsible for long distance night time communication? A. A layer B. D layer C. E layer D. F layer

Last Answer : D. F layer

Description : What is the thickest layer of the ionosphere? A. E B. F1 C. F2 D. D

Last Answer : C. F2

Description : ECE Board Exam March 1996 The lowest layer in the ionosphere A. D B. F2 C. E D. F1

Last Answer : A. D

Description : The main atmospheric layer near the surface of earth is a) Troposphere b) Mesosphere c) Ionosphere d) Stratosphere

Last Answer : a) Troposphere

Description : Ozone layer is present in (1) Troposphere (2) Ionosphere (3) Stratosphere (4) Exosphere 

Last Answer : Stratosphere

Description : The atmospheric layer reflecting radio waves is called (1) Ozonosphere (2) Ionosphere (3) Stratosphere (4) Mesosphere 

Last Answer : Ionosphere