Description : Atmospheric layer extending from 18 km to 50 km is — a. Troposphere b. Stratosphere c. Mesosphere d. Thermosphere
Last Answer : b. Stratosphere
Description : The ozone layer in the atmosphere is at a height of about ______. (1) 25 km (2) 50 km (3) 100 km (4) 200 km
Last Answer : (2) 50 km Explanation: Ozone is mainly found in two regions of the Earth's atmosphere. Most ozone (about 90%) resides in a layer that begins between 10 to 17 kilometers above the Earth's surface and extends up to about 50 kilometers
Description : In which layer of atmosphere does commercial aircrafts usually fly? A. Stratosphere (Answer) B. Troposphere C. Mesosphere D. Thermosphere
Last Answer : A. Stratosphere (Answer)
Description : Second layer of Earth’s atmosphere is-----? A. Stratosphere (Answer) B. Mesosphere C. Troposphere
Description : Which of the statements to about the Troposphere is not true? A. It contains 85-90% of the atmosphere’s mass B. It contains nearly all the water and oxygen of the atmosphere C. It is the zone which exhibits changes in condition of weather D. It is about 350 km thick (Answer)
Last Answer : D. It is about 350 km thick (Answer)
Description : Which one of the four regions above the earth has smallest height (km.)? (1) Stratosphere (2) Mesosphere (3) Thermosphere (4) Troposphere
Last Answer : (4) Troposphere Explanation: The troposphere is the lowest portion of Earth's atmosphere. The average depth of the troposphere is approximately 17 km (11 mi) in the middle latitudes. It is deeper ... . It contains approximately 80% of the atmosphere's mass and 99% of its water vapor and aerosols.
Description : Which one of the four regions above the earth has smallest height (km.) ? (1) Stratosphere (2) Mesosphere (3) Thermosphere (4) Troposphere
Last Answer : Troposphere
Description : The ozone layer is at height of----kilometers from the surface of the Earth? A. 10 to 20 B. 20 to 30 (Answer) C. 30 to 40 D. 40 to 50
Last Answer : B. 20 to 30 (Answer)
Description : There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called ... is about __________ °C/km. (A) 0.05 (B) 1 (C) 6.5 (D) 15
Last Answer : (C) 6.5
Description : The zone of Earth's atmosphere immediately above its surface up to a height of about 16 kms above equator and 8 kms over the poles is known as : (1) Mesosphere (2) Thermosphere (3) Troposphere (4) Stratosphere
Last Answer : (3) Troposphere Explanation: The zone of Earth's atmosphere immediately above its surface up to a height of about 16 kms above equator and 8 kms over the poles is known as troposphere.
Description : The zone of Earth’s atmosphere immediately above its surface up to a height of about 16 kms above equator and 8 kms over the poles is known as : (1) Mesosphere (2) Thermosphere (3) Troposphere (4) Stratosphere
Description : The lowest layer of the atmosphere is : (1) Stratosphere (2) Thermosphere (3) Troposphere (4) Mesosphere
Last Answer : (3) 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 : 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 is the lowest layer of the atmosphere? (1) Troposphere (2) Stratosphere (3) Mesosphere (4) Thermosphere
Last Answer : (1) 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 which of the following layer of atmosphere the absorption and scattering of the solar ultraviolet radiation takes place? (1) Troposphere (2) Stratosphere (3) Mesosphere (4) Thermosphere
Last Answer : (2) Stratosphere Explanation: Solar ultraviolet radiation undergoes absorption and scattering as it passes through the stratospheric layer of the earth's atmosphere. The ozone layer, a region of Earth's ... result, no UV radiation at wavelengths shorter than 290 nm reaches the surface of the earth.
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 : Which is the warmest layer of the atmosphere? (1) Thermosphere (2) Troposphere (3) Stratosphere (4) Mesosphere
Last Answer : (1) Thermosphere Explanation: Troposphere, that extends up to a height of 12 km on an average from the surface of the earth, is the locale of all the vital atmospheric processes which ... comprising the entire atmosphere is concentrated in this zone. This is the lowermost layer of the atmosphere.
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 : 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 : 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 : 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 layer of the earth’s atmosphere contains the ozone layer ? (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere
Last Answer : Stratosphere
Last Answer : Exosphere
Last Answer : Thermosphere
Last Answer : troposphere
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 : 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
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 : 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 : Earth's atmosphere is an envelope of gases extending to a height of – (1) 100 km (2) 150 km (3) 200 km (4) 300 km
Last Answer : (3) 200 km Explanation: The atmosphere of the. Earth is an envelope of gases extending to a height of 200km.
Description : Atmosphere extends above mean sea level to a height of about (A) 160 km (B) 1600 km (C) 1600 meter (D) 1600 miles
Last Answer : (B) 1600 km
Description : Earth’s atmosphere is an envelope of gases extending to a height of (1) 100 km (2) 150 km (3) 200 km (4) 300 km
Last Answer : 200 km
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 : Densest part of atmosphere strata is (A) Troposphere (B) Thermosphere (C) Stratosphere (D) Mesosphere
Last Answer : (A) Troposphere
Description : Where do you find the majority of the air within the atmosphere? a. Troposphere b. Stratosphere c. Tropopause d. Mesosphere
Last Answer : a. Troposphere
Description : The order of the atmospheric layers, starting from closest to the surface to the top of the atmosphere, is (a) Mesosphere, Troposphere, Thermosphere, Stratosphere (b) Troposphere, ... (c) Thermosphere, Mesophere, Troposphere, Stratosphere (d) Troposphere, Mesosphere, Stratosphere, Thermosphere
Last Answer : (b) Troposphere, Stratosphere, Mesosphere, Thermosphere
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
Description : Daily weather changes in the atmosphere are associated with (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere
Description : The angle of elevation of the antenna beam is 20°. Calculate the transmission-path distance for an ionospheric transmission that utilizes a layer of virtual height 200 km. Use flat-earth approximation. A. 966 km B. 2100 km C. 1100 km D. 405 km
Last Answer : C. 1100 km