Description : Why the Earth is having its own atmosphere ? (1) Winds (2) Clouds (3) Gravity (4) Rotation of the Earth
Last Answer : (3) Gravity Explanation: Due to gravity, our Earth has an atmosphere, Gravity causes the gases to be held close to the earth instead of escaping into outer space.
Description : Why the Earth is having its own atmosphere? (1) Winds (2) Clouds (3) Gravity (4) Rotation of the Earth
Last Answer : Gravity
Description : The atmospheric air is held to the Earth by – (1) gravity (2) winds (3) clouds (4) rotation of the Earth
Last Answer : (1) gravity Explanation: The atmosphere is an ocean of air held in place by gravity, extending from the surface to an altitude of hundreds of kilometers, the edge of space. Energy from the sun heating the air and land surface to different degrees, drives atmospheric circulation.
Description : The atmospheric air is held to the Earth by : (1) gravity (2) winds (3) clouds (4) rotation of the Earth
Last Answer : gravity
Description : The deflection of the winds to the right in the northern hemisphere is caused by : (1) revolution of the earth (2) rotation of the earth (3) uneven heating of the earth (4) All the above
Last Answer : (2) rotation of the earth Explanation: If the Earth didn't rotate, winds would travel either north or south due to differences in temperature and pressure at different latitudes. But since the Earth does ... of time, such as large-scale movement of air in the atmosphere or water in the ocean.
Description : You have discovered a new celestial body. It has a thick atmosphere and it produces powerful cosmic winds and, when observed, the clouds obscure the body. You have determined it is this type of star. A. Wolf-Rayet star (Answer) B. Red supergiant C. Stellar storm D. Pulsar
Last Answer : A. Wolf-Rayet star (Answer)
Description : Monsoon is caused by----------? A. Seasonal reversal of winds (Answer) B. Revolution of earth C. Movement of clouds D. Rise in temperature E. Rain forests
Last Answer : A. Seasonal reversal of winds (Answer)
Description : The moon is showing its same face to the earth because – (1) It is not rotating about its own axis (2) Its rotation and revolution are opposite (3) Its periods of rotation and revolution are the same (4) Its rotation is faster than its revolution
Last Answer : (3) Its periods of rotation and revolution are the same Explanation: Because it is "tidally-locked" to the Earth. The Earth's gravity slows down the moon's rotation, so that it rotates at the same ... who walks around a center pole, but shifts their body so they are always facing it as they walk.
Last Answer : rotation of the earth
Description : Why Earth is called the blue planet? (1) Because of two-thirds surface covered by water (2) Because of water laden clouds in the atmosphere (3) Because of pollution in the atmosphere (4) None of these
Last Answer : (1) Because of two-thirds surface covered by water Explanation: Earth is called the blue planet because two-thirds of its surface is covered by water.
Description : Cloudy nights are wanner compared nights, because clouds mainly – (1) Absorb heat from the atmosphere send it towards earth (2) Prevent cold waves from the sky descending on earth (3) Reflect back the heat given by earth (4) Produce heat and radiate it toward earth
Last Answer : (3) Reflect back the heat given by earth Explanation: It is because the night side of Earth will radiate infra-red radiation (heat) back into space. When there is cloud cover, the clouds act like a blanket and trap the heat close to the ground just like a blanket traps heat close to our body.
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 : Cloudy nights are warmer compared nights, because clouds mainly (1) absorb heat from the atmosphere send it towards earth (2) prevent cold waves from the sky descending on earth (3) reflect back the heat given by earth (4) produce heat and radiate it toward earth
Last Answer : reflect back the heat given by earth
Description : Uneven distribution of insolation on the earth is mainly due to the – (1) spherical shape of the earth (2) distribution of land and water (3) direction of the winds (4) presence of pressure belts
Last Answer : (1) spherical shape of the earth Explanation: Uneven distribution of insolation on the earth is mainly due to the Earth's tilted axis and the nearly spherical shape. The length of time that the ... lead to the unequal distribution of heat on the Earth, creating what is called a heat gradient.
Description : Who apparent curving of winds due to earths rotation is the?
Last Answer : What is the answer ?
Description : What effects of the earths rotation on the direction of winds and currents is called what?
Last Answer : It's called the 'coriolis' effect.
Description : The earth completes one rotation on its axis in : (1) 23 hrs. 56 min. 4.9 sec (2) 23 hrs. 10 min. 2 sec (3) 23 hrs. 30 min. (4) 24 hrs.
Last Answer : (1) 23 hrs. 56 min. 4.9 sec Explanation: The Earth rotates around its axis once in about 24 hours with respect to the sun and once every 23 hours 56 minutes and 4 seconds with respect to the stars. The Earth rotates from the west towards east. Seasons are caused by Earth's rotation around its axis.
Description : Which of the following causes the oblate spheroid shape of the earth? w) the earth's magnetism x) the earth's gravity y) the earth's rotation z) the moon's tidal pull
Last Answer : ANSWER: Y -- THE EARTH'S ROTATION
Description : Equator represents – (1) line joining North and South poles (2) imaginary line passing round the Earth midway between North & South poles (3) a belt (ring) around the planet Saturn (4) axis of rotation of Earth
Last Answer : (2) imaginary line passing round the Earth midway between North & South poles Explanation: An equator is the intersection of a sphere's surface with the plane perpendicular to the sphere ... astronomical bodies have equators similarly defined. The length of the Equator is roughly 40,075 kilometres.
Description : If speed of rotation of the earth increases, the weight of the body – (1) decreases (2) increases (3) remains the same (4) may increase or decrease
Last Answer : (1) decreases Explanation: The weight of a body on the earth is the amount of gravitational pull on it exerted by the earth. Similarly there is another force exerted on a body on earth, that ... under the influence of the centrifugal force and the weight of the body will seem to have decreased.
Description : Earthquakes are caused by – (1) Denudation (2) Tectonism (3) Earth revolution (4) Earth rotation
Last Answer : (2) Tectonism Explanation: Earthquakes result from the sudden release of energy in the Earth's crust that creates seismic waves. Most occur along plate boundaries. Tectonic earth-quakes occur ... there is sufficient stored elastic strain energy to drive fracture propagation along a fault plane.
Description : Atmospheric pressure exerted on earth is due to : (1) rotation of earth (2) revolution of earth (3) gravitational pull (4) uneven heating of earth
Last Answer : (3) gravitational pull Explanation: The atmosphere is made up of gasses. Gasses are physical substances, and all physical substance has weight. The atmosphere is 25 miles thick, and that 25 miles ... square inch because of the gravitational pull. That's how atmosphere exerts pressure on the earth.
Description : In what form do Water vapor droplets form clouds and Earth's gravity pulls the moisture to the surface?
Last Answer : The moisture drops to the earth as some form of precipitation(rain, snow, sleet, hail).
Description : What Water vapor droplets form clouds and Earth's gravity pulls the moisture to the surface in the form of?
Last Answer : rain
Description : Consider the following statements: 1. Tamil Nadu is the only area which receives about half of its rainfall from north-east monsoon winds. 2. Kerala is the only state receiving very heavy rainfall from the south-west monsoon winds. 3. In India ... ] (a) 1, 2 and 3 (b) 1 and 2 (c) 1 and 3 (d) 2 and 3
Last Answer : Ans: (a)
Description : Isohels are the isopleths of – (1) sunshine (2) flowering time (3) rain (4) clouds
Last Answer : (1) sunshine Explanation: An isohel is line drawn on a map connecting points that receive equal amounts of sunlight. It is derived from hellos, meaning 'Sun.'
Description : What is the transition from atmosphere to clouds?
Description : What Clouds are formed very high in the atmosphere?
Last Answer : Need answer
Description : Clouds float in the atmosphere because of their – (1) low pressure (2) low density (3) low viscosity (4) low temperature
Last Answer : (2) low density Explanation: The key to why clouds float is that the density of the same volume of cloud material is less than the density of the same amount of dry air. Just as oil floats on water ... it is less dense, clouds float on air because the moist air in clouds is less dense than dry air.
Description : The clouds float in the atmosphere because of their low: (1) temperature (2) velocity (3) pressure (4) density
Last Answer : (4) density Explanation: Clouds generally form, survive and grow in air that is moving upward. Rising air expands as the pressure on it decreases, and that expansion into thinner, high-altitude air causes cooling.
Description : Why clouds are float in atmosphere
Last Answer : Low density
Description : Clouds float in atmosphere, because of
Last Answer : less density
Description : Why do The clouds float in the atmosphere?
Last Answer : Because of their low temperature
Description : Water vapour turns into clouds in the atmosphere when: A. It rains B. The temperature rise C. Dew point is reached (Answer) D. Evaporation takes place
Last Answer : C. Dew point is reached (Answer)
Description : Pick out the wrong statement. (A) The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere (B) ... ) The earth's atmosphere is an envelope of gases extending upto a height of about 200 kms
Last Answer : (A) The concentric layer in atmosphere which contains about 70% of the total mass of atmosphere and characterised by a steady decrease in temperature is called stratosphere
Description : Clouds float in the atmosphere because of their (1) low pressure (2) low density (3) low viscosity (4) low temperature
Last Answer : low density
Description : Which of the following is the name of very violent and serious type of winds which bring a lot of disaster? (a) Trade winds (b) Hurricane (c) Cirrus (d) Stratus (e) None of these
Last Answer : Ans: (b)
Description : Which one of the following pairs is not correct? (a) New Moore Island - India (b) Hurricane - China Sea (c) Doldrums - The equator (d) Trade winds - Winds which blow towards the equator
Description : The winter rain in Chennai is caused by (a) South-West Monsoons (b) North-East Monsoons (c) Intense Land and Sea Breezes (d) Cyclonic winds in the Bay of Bengal
Description : Which one of the following is not conducive to the formation of deltas? (a) Currents and Tides (b) Calm winds (c) Absence of large lakes along the course of the river (d) Sheltered coastline
Description : Monsoon is caused by (a) Temperature changes (b) Seasonal reversal of winds (c) Humidity difference (d) Pressure differences
Last Answer : Ans: (d)
Description : The two northeastern hills that block the South West Monsoon winds and cause heavy rains in Assam are (a) Arakan Yoma and Pegu Yoma (b) Garo, Khasi and Jaintia hills (c) Barail and Patkai hills (d) Khasi and Pegu Yoma
Description : Rajasthan receives very little rain because (a) it is too hot (b) there is no water available and thus the winds remain dry (c) the monsoons fail to reach this area (d) the winds do not come across any barrier to cause the necessary uplift to cool the winds
Description : What is the most important geographic use of the Himalayas to India? (a) Prevention of invasions (b) Valuable source of timber (c) They prevent the monsoons from crossing to the north and also ... of water from which our perennial rivers flow (d) They protect India from the icy cold north winds
Last Answer : Ans: (c)
Description : Indian monsoon is marked by seasonal shift caused by: [Teachers' Exam 1994] (a) differential heating of land and sea (b) cold winds of Central Asia (c) great uniformity of temperature (d) None of these
Description : In May-June each year, the monsoon winds approach the southern tip of India from: [IFS 1990] (a) northly direction (b) north-easterly direction (c) north-westerly direction (d) south-westerly direction
Description : Amritsar and Shimla have the same latitude yet Shimla is cooler than Amritsar because it: (a) lies north of Amritsar (b) comes under the influence of cold winds (c) is at a higher elevation (d) receives a lot of snow
Description : The reason for Rajasthan being deficient in rainfall is: (a) the monsoon fail to reach this area (b) it is too hot (c) there is no water available and thus the winds remain dry (d) the winds do not come across any barrier to cause necessary uplift to be cooled
Description : Which of the following are the main reasons for the origin of the south-west monsoon in India? 1. Development of a low pressure in north-west India 2. Deflection of trade winds 3. Arrival of cyclonic stream from the Pacific Ocean ... (a) I, II and III (b) I and II (c) II and III (d) III and IV