Description : The acceleration due to gravity at the equator – (1) is less than that at the poles (2) is greater than that at the poles (3) is equal to that at the poles (4) does not depend on the earth's centripetal acceleration
Last Answer : (1) is less than that at the poles Explanation: The gravity of Earth, denoted g, refers to the acceleration that the Earth imparts to objects on or near its surface. At latitudes nearer the Equator ... ) causes objects at the Equator to be farther from the planet's centre than objects at the poles.
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 : Troposphere
Description : An artificial satellite stays in the orbit around the Earth because (a) The Earth's gravity does not act on the satellite due to the great distance between them (b) The Earth's attraction ... (d) There is an engine in the satellite that constantly applies an upward force to balance its weight
Last Answer : Ans:(b)
Description : Pick up the correct statement from the following: (A) The tides at any place occur a little less than 1 hour later, each succeeding day (B) The influence of the earth's gravity alone produces level-tidal ... ) The spinning force is maximum at the equator and zero at the poles (D) All of the above
Last Answer : (D) All of the above
Description : Equinox occurs when the sun is vertically above _____ (1) Tropic of Capricorn (2) Tropic of Cancer (3) Poles (4) Equator
Last Answer : Equator
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 weight of an object at the poles is greater than at the equator. This is because (a) Of the shape of the earth (b) The attraction of the moon is maximum at the earth’s surface (c) The attraction of the sun is maximum at the earth’s surface (d) Gravitational pull is more at the poles
Last Answer : Ans:(d)
Description : Two bodies are moving in circular paths of equal radii. If the speed of the first body is twice that of the second, the centripetal acceleration of the first body is how many times greater than that of the second body?
Last Answer : ANSWER: 4
Description : Day and Night are equal at the: (1) Prime Meridian (2) Antarctic (3) Poles (4) Eqator
Last Answer : Eqator
Description : Diurnal variation of magnetic declination is (A) Greater at equator than nearer the poles (B) Less at equator than nearer the poles (C) Less in summer than in winter (D) Same at all latitudes and during different months
Last Answer : (B) Less at equator than nearer the poles
Description : India's latitudinal and longitudinal extent measured in degrees are almost the same, but its north-south extent measured in km is greater than its east-west extent. This is due to the fact that (a) ... (c) all longitudes with their opposites form great circles (d) the earth is not a perfect sphere
Last Answer : Ans: (b)
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 : If the earth were to skin faster, how does acceleration due to gravity at the poles?
Last Answer : Remains the same
Description : As we go from Equator to North pole the value of `S, the acceleration due to gravity (1) remains the same (2) decreases (3) increases (4) None of the above
Last Answer : (3) increases Explanation: The acceleration due to gravity of earth is the rate of increase of velocity of a body falling freely towards the earth. At a given place, the value of acceleration due to gravity ... out at the equator. The value of 'g' is minimum at the equator and maximum at the poles.
Description : As we go from Equator to North pole the value of ‘g’, the acceleration due to gravity (1) remains the same (2) decreases (3) increases (4) None of the above
Last Answer : increases
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 : If there is no carbon dioxide in the earth’s atmosphere, the temperature of earth’s surface would be (1) dependent on the amount of oxygen in the atmosphere (2) higher than the present (3) less than the present (4) the same
Last Answer : less than the present
Description : ‘Terra rossa’ is a Latin word which means (1) hot area (2) red terrain (3) lateritic region (4) region near the poles
Last Answer : red terrain
Description : Obtain the formula for acceleration due to gravity at the depth ‘d’ below the Earth’s surface.
Last Answer : Obtain the formula for acceleration due to gravity at the depth ‘d’ below the Earth’s surface.
Description : Show that acceleration due to gravity at height h above the Earth’s surface is gh = g(R/R + h)^2
Last Answer : Show that acceleration due to gravity at height h above the Earth’s surface is gh = g \(\left(\frac{R}{R + h}\right)^2\) gh = g(R/R + h)2
Description : If a body weighs 12N on the surface of the earth, how much will it weigh on the surface of the moon where acceleration due to gravity is only one-sixth of that on earth's surface? (1) 12N (2) 2N (3) 10N (4) 6N
Last Answer : (2) 2N Explanation: Weight is mass x g. Since mass is constant and g is only 16thof that on the earth. The weight on the moon is only 16th of that on the earth.
Description : Assuming uniform density of the core, the acceleration due to gravity below the Earth's surface is A. inversely proportional to the square of the distance from the center of the Earth ... center of the Earth D. directly proportional to the distance from the center of the Earth
Last Answer : directly proportional to the distance from the center of the Earth
Description : The climatic zones are classified on the basis of (1) distance from the equator (2) elevation (3) rainfall (4) distance from the sea
Last Answer : rainfall
Description : Magnetic Meridian is a (1) Line parallel to the equator of the Earth (2) Latitude (3) Line joining the geographic north and geographic south of Earth (4) Plane passing through the magnetic north and magnetic south of Earth
Last Answer : Plane passing through the magnetic north and magnetic south of Earth
Description : The Equator does not pass through which of the following countries ? (1) Kenya (2) Mexico (3) Indonesia (4) Brazil
Last Answer : Mexico
Description : The latitude of a place is expressed by its angular distance in relation to— (1) Equator (2) South Pole (3) Axis of the Earth (4) North Pole
Description : A day is added when one crosses (1) the equator from south to north (2) 180 degree longitude from east to west (3) the equator from north to south (4) 180 degree longitude from west to east
Last Answer : the equator from south to north
Description : What is the International Date Line ? (1) It is the equator (2) It is the 0° longitude (3) It is the 90° east longitude (4) It is the 180° longitude
Last Answer : It is the 180° longitude
Description : Where are the hot deserts generally found ? (1) On the eastern margins of the Tropics (2) On the western margins of the Tropics (3) Nearer the Equator (4) In the middle of the Continents
Last Answer : On the western margins of the Tropics
Description : Which one of the following is the greatest circle ? (1) Arctic Circle (2) Equator (3) Tropic of Cancer (4) Tropic of Capricorn
Description : When does the sun shine vertically on the Equator ? (1) Throughout the year (2) For six months (3) Twice a year (4) Once a year
Last Answer : Twice a year
Description : Two bodies of equal mass are moving in circular paths at equal speed. The first body moves in a circle whose radius is twice as great as that of the second. The ratio of the centripetal or radial acceleration of the first body to that of the second is: w) 1 to 4 x) 1 to 3 y) 1 to 2 z) 1 to 1
Last Answer : ANSWER: Y -- 1 TO 2
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
Description : Why does man weigh more at the poles than at the equator? (a) Because there is no atmosphere at the poles (b) Because gravitational pull is more at the poles (c) Because gravitational pull is less at the poles (d) None of the above
Description : The weight of a body is 1. same everywhere on the surface of the earth 2. maximum at the poles 3. maximum at the equator 4. less on the hills than in the plains Which of the above statements is/are correct? (a) 1 only (b) 2 and 4 (c) 3 and 4 (d) None
Description : The weight of the object is less at the equator than at the poles.
Last Answer : Ans: The weight of an object is the product of mass and force of gravity. The equatorial diameter is more than the polar diameter. Thus, the force of gravity is more at the poles and the weight is more there.
Last Answer : Ans: At equator, the distance from the earth's center is greater than any other point of the earth's surface. Since, weight is defined as the force with which a body is attracted towards the earth's ... the force applied. Hence, the object's weight is lightest at the earth's equator, than at poles.
Description : A body weighs slightly more at the poles than at the equator because (a) the earth is flat at the poles. (b) the earth has the maximum speed of rotation at the equator (c) the attractive force at the poles increases due to the ice cap (d) none of these is a complete explanation
Description : What is the percentage coverage of Tropical Forest on earth’s landmass ? (1) 7 (2) 12 (3) 17 (4) 25
Last Answer : 7
Description : Which layer of the earth’s atmosphere contains the ozone layer ? (1) Troposphere (2) Mesosphere (3) Ionosphere (4) Stratosphere
Last Answer : Stratosphere
Description : Most of the ozone in the earth’s atmosphere is found in the : (1) Troposphere (2) Stratosphere (3) Mesophere (4) Thermosphere
Description : The layer of atmosphere close to the earth’s surface is called (1) Exosphere (2) Troposphere (3) Stratosphere (4) Ionosphere
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 : Which of the following asborbs part of the insolation and preserves earth’s radiated heat? (1) Oxygen (2) Nitrogen (3) Water vapour (4) Carbon-di-oxide
Last Answer : Water vapour
Description : Density of the earth’s atmosphere is highest in the (1) Troposphere (2) Stratosphere (3) Mesosphere (4) Ionosphere
Description : Airmass near to the earth’s surface is warmer because it (1) radiates heat (2) contains dust particles (3) is warmed by terrestrial radiation (4) is far from the sun
Last Answer : is warmed by terrestrial radiation
Description : Troposphere is the hottest part of the atmosphere because (1) it is closest to the Sun (2) there are charged particles in it (3) it is heated by the Earth’s surface (4) heat is generated in it
Last Answer : it is heated by the Earth’s surface
Description : The majority of Earth’s crust is composed of which rock ? (1) Igneous (2)Metamorphic (3) Sedimentary (4)Carbonate
Last Answer : Igneous
Description : What is the epicentre of an Earthquake? (1) The point at which earthquake originates (2) The point which is prone to volcanoes (3) The point from which the intensity of seismic waves declines (4) The point on the earth’s surface vertically above the seismic focus
Last Answer : The point on the earth’s surface vertically above the seismic focus
Description : How much of the Earth's land surface is desert ? (1) 1/10th (2) 1/5th (3) 1/3rd (3) 1/6th
Last Answer : 1/3rd