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 : Atmospheric pressure exerted on the earth is due to the _____ A. Rotation of the Earch B. Revolution of the earth C. Grasvitational pull D. Uneven heating of the earth
Last Answer : ANSWER: C
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 : rotation of the earth
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 : The tides in the sea are primarily due to (1) the atmospheric effect of the Earth (2) the gravitational effect of Venus on the Earth (3) the gravitational effect of the Sun on the Earth (4) the gravitational effect of the Moon on the Earth
Last Answer : the gravitational effect of the Moon on the 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 : spherical shape of the earth
Description : The weight of a body is due to (A) Centripetal force of earth (B) Gravitational pull exerted by the earth (C) Forces experienced by body in atmosphere (D) Gravitational force of attraction towards the centre of the earth
Last Answer : (D) Gravitational force of attraction towards the centre of the earth
Description : Tides are caused by the gravitational pull of the (1) Earth on the Moon (2) Earth on the Sun (3) Sun and Moon on the Earth (4) Moon on the Earth
Last Answer : Sun and Moon on the Earth
Description : Earthquakes are caused by (1) Denudation (2) Tectonism (3) Earth revolution (4) Earth rotation
Last Answer : Tectonism
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 : Its periods of rotation and revolution are the same
Description : The South-East trade winds are attracted towards the Indian subcontinent in the rainy season due to (1) the development of cyclone over the equator (2) the effect of easterlies (3) the effect of Northern-East trade winds (4) the presence of low atmospheric pressure over NorthWest India
Last Answer : the presence of low atmospheric pressure over NorthWest India
Description : Tides in the sea are caused by (1) effect of Sun (2) effect of Moon (3) eombined effect of Moon and Sun (4) gravitational force of Earth and Sun
Last Answer : eombined effect of Moon and Sun
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 : decreases
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 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 : 23 hrs. 56 min. 4.9 sec
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 : imaginary line passing round the Earth midway between North & South poles
Description : The atmospheric layer closest to the earth is: (1) Mesosphere (2) Hydrosphere (3) Troposphere (4) Ionosphere
Last Answer : Troposphere
Description : 'Green House Effect' means (1) Pollution in houses in tropical regions (2) Trapping of solar energy due to atmospheric oxygen (3) Trapping of solar energy due to atmospheric carbon dioxide (4) Cultivation in green houses so as to check pollution
Last Answer : Trapping of solar energy due to atmospheric carbon dioxide
Description : A hydrogen filled balloon rises in air because (a) The atmospheric pressure decreases with altitude (b) The acceleration due to gravity decreases with altitude (c) The density of air decreases with ... The buoyant force exerted by the air on the balloon is greater than the weight of the balloon
Last Answer : Ans:(d)
Description : A tachometer is a device used to measure (1) gravitational pull (2) speed of rotation (3) surface tension (4) dispersive power
Last Answer : speed of rotation
Description : Contours are imaginary lines showing (1) places of equal atmospheric pressure (2) same temperature areas (3) places of equal altitudes (4) equal sunshine areas
Last Answer : places of equal altitudes
Description : What happens to atmospheric pressure with increase in altitude ? (1) It remains constant (2) It decreases (3) It increases (4) It constantly fluctuates
Last Answer : It decreases
Description : If the distance between the earth and the sun were twice what it is now, the gravitational force exerted on the earth by the sun would be (a) twice as large as it is now (b) four times as large as it is now (c) half of what it is now (d) one-fourth of what it is now
Description : The soil water which is of the greatest importance to the plant life is (1) Gravitational water (2) Capillary water (3) Hygroscopic water (4) Combined water
Last Answer : Capillary water
Description : Tides in the sea have stored in them : (1) Hydraulic energy (2) Kinetic energy (3) Gravitational potential energy (4) A combination of all the above three forms of energy
Last Answer : Gravitational potential energy
Description : How do you calculate the pressure exerted by the water on the bottom of a 2.75m deep swimming pool.(Gravitational field strength=9.8N/kg?
Last Answer : 1,000×2.75×9.8=26,950
Description : What are the results from the uneven heating of the earth?
Last Answer : wind
Description : Some areas of the Earth receive more solar radiation than others. Which of the following results from the Sun's uneven heating of the Earth?
Last Answer : climate
Description : Salination of soil is caused by (1) pesticides (2) soil erosion (3) excess irrigation (4) crop rotation
Last Answer : excess irrigation
Description : In a desert region, soil erosion can be checked by (1) Contour ploughing (2) Using farm manure (3) Tree plantation/Afforestaion (4) Crop rotation
Last Answer : Tree plantation/Afforestaion
Description : In a desert region, soil erosion can be checked by (1) Tree plantation/afforestation (2) Crop rotation (3) Contour ploughing (4) Using farm manure
Last Answer : Tree plantation/afforestation
Description : Rain drops falling through atmospheric air attain limited terminal velocity, because of (A) Upward thrust due to air (B) Viscous force exerted by air (C) Surface tension effects of water (D) Force of gravity
Last Answer : Option B
Description : The tides in the sea are primarily due to – (1) the atmospheric effect of the Earth (2) the gravitational effect of Venus on the Earth (3) the gravitational effect of the Sun on the Earth (4) the gravitational effect of the Moon on the Earth
Last Answer : Explanation: A tide is the periodic rising and falling of Earth's ocean surface caused mainly by the gravitational pull of the Moon acting on the oceans. The height of tides varies somewhat with the phases ... higher because the Sun's tidal force adds to the Moon's. This is called "spring tide".
Description : Which of the following is the lowest atmospheric layer ? (1) Lithosphere (2) Stratosphere (3) Troposphere (4) Hydrosphere
Description : All vital atmospheric processes leading to various climatic and weather conditions take place in the : (1) Stratosphere (2) Troposphere (3) Ionosphere (4) Exosphere
Description : Choose the correct option which represents the arrangement of atmospheric layers. (1) Ionosphere, Ecosphere, Mesosphere, Stratosphere, Troposphere (2) Ecosphere, Troposphere, Ionosphere, ... ) Mesosphere, Ionosphere. Ecosphere, Troposphere, Stratosphare (4) Troposphare, Ionosphere, Ecosphere
Last Answer : Troposphare, Ionosphere, Ecosphere
Description : Atmospheric temperature increasing at the higher altitudes is called (1) Radiation (2) Inversion (3) Conduction (4) Convection
Last Answer : Inversion
Description : The atmospheric layer farthest from the Earth’s surface is known as (1) Stratosphere (2)Exosphere (3) Ionosphere (4)Mesosphere
Last Answer : Exosphere
Description : A rectangle-shaped open-to-sky tank of water has a length of 2 m and a width of 1 m. If the atmospheric pressure is assumed to be 100 kPa and thickness of the tank walls is assumed to be negligible, the force exerted by ... of water is A. 20 kN B. 50 kN C. 100 kN D. 200 kN
Last Answer : 200 kN
Description : The pressure exerted by a stationary liquid kept in a container at any point inside the liquid is known as ________ pressure. a)atmospheric b)hydrostatic c) air d)none
Last Answer : b)hydrostatic
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 : A falling drop of rain water ac-quires the spherical shape due to – (1) Viscosity (2) Surface Tension (3) Atmospheric pressure (4) Gravitational force
Last Answer : (2) Surface Tension Explanation: Raindrops start out as round high in the atmosphere as water collects on dust and smoke particles in clouds. But as raindrops fall, they lose their rounded ... the molecules stick together. The cause is the weak hydrogen bonds that occur between water molecules.
Description : A falling drop of rain water acquires the spherical shape due to (1) Viscosity (2) Surface Tension (3) Atmospheric pressure (4) Gravitational force
Last Answer : Surface Tension
Description : The planet that takes 88 days to make one revolution of the sun is : (1) Mercury (2) Saturn (3) Jupiter (4) Mars
Last Answer : Mercury
Description : A landscape which is caused due to the fissure in the earth along which one side has moved down with reference to the other is known as (1) Rift Valley (2) U Shaped Valley (3) V Shaped Valley (4) Hanging Valley
Last Answer : Rift Valley
Description : The mountain formed on the earth crust due to tension is called (1) Young folded mountain (2) Old folded mountain (3) Laccolith mountain (4) Block mountain
Last Answer : Block mountain
Description : Cyclones are caused due to (1) low pressure (2) high pressure (3) low temperature (4) high density
Last Answer : low pressure
Description : Total force exerted upon the implement by a power unit called a)pull. B) draft C)side draft. D)unit draft
Last Answer : a)pull
Description : If Earth increases its mass, how would that affect the gravitational pull a person experiences on Earth?
Last Answer : The gravitation pull will increase relative to the amount of increased mass.The Mass of the Objects The more mass two objects have, the greaterthe force of gravity the masses exert on each other. If one of the massesis doubled, the force of gravity between the objects is doubled.
Description : What type tide is created when the Sun's gravitational pull on Earth is at its least?
Last Answer : A larger, more powerful tide to the side of the moon, and aweaker, smaller tide toward the sun