How many satellites does Mercury have ?

1 Answer

Answer :

Mercury and Venus have no satellites.

Related questions

Description : What are the names of the satellites of Mercury?

Last Answer : Mercury has no satellites.

Description : Which of the following planets do not have satellites revolving around them? 1. Mars 2. Venus 3. Mercury 4. Neptune Choose the correct code below: (a) 1 and 2 (b) 2 and 3 (c) 1 and 3 (d) 2 and 4

Last Answer : Ans:(b)

Description : Which planets do not have satellites revolving around them? (1) Mars and Venus (2) Mercury and Venus (3) Mars and Mercury (4) Neptune and Pluto

Last Answer : (2) Mercury and Venus Explanation: Of the nine planets, only Venus and Mercury have no known natural satellites. A total of 139 moons, or natural satellites, can be found in the vast solar system.

Description : The number of satellites of the planet is Mercury is – (1) 0 (2) 1 (3) 2 (4) 16

Last Answer : (1) 0 Explanation: The nearness of Mercury to the massive gravity influence of the Sun is the likely reason that no natural satellites are present, although it is possible that one or more may have existed in the past.

Description : Which planets do not have satellites revolving around them ? (1) Mars and Venus (2) Mercury and Venus (3) Mars and Mercury (4) Neptune and Pluto

Last Answer : Mercury and Venus

Description : How many satellites does Mars have ?

Last Answer : Mars has 2 satellites.

Description : How many satellites does Saturn have ?

Last Answer : Saturn has 72 satellites.

Description : How many satellites does Uranus have ?

Last Answer : Uranus has 27 satellites.

Description : The minimum number of geostationary satellites needed for un-interrupted global coverage is (1) 3 (2) 2 (3) 4 (4) 1

Last Answer : (2) 2 Explanation: In theory, 2 satellites in diametrically opposite geosynchronous orbits could cover the planet. In order for the satellites to communicate, a minimum of 3 would be needed, ... At this point, the strength and quality of coverage increases proportionally to the number of satellites.

Description : Which among the following waves is used for communication by artificial satellites? (1) Micro waves (2) Radio waves (3) A. M. (4) Frequency of 1016 series

Last Answer : (1) Micro waves Explanation: For fixed (point-to-point) services, communications satellites provide a microwave radio relay technology complementary to that of communication cables. They are also used ... is extensively used for point-to-point telecommunications (i.e., non broadcast uses).

Description : Geostationary satellites have lifetime of nearly A. 20 years B. 10 years C. 50 years D. 60 years

Last Answer : 20 years

Description : Number of satellites in geostationary orbits are A. 100 B. 200 C. 300 D. 400

Last Answer : 200

Description : First communication satellites used frequencies of A. 6 GHz for uplink B. 3 GHz for uplink C. 6 GHz for downlink D. 5 GHz for downlink

Last Answer : 6 GHz for uplink

Description : Weather satellites transmit cloud cover and temperature-humidity profiles back to Earth using images of which combination of the electromagnetic radiation types? w) infra-red and visible light x) ultraviolet and nuclear magnetic y) ultraviolet and infra-red z) ultraviolet and visible light

Last Answer : ANSWER: W -- INFRA-RED AND VISIBLE LIGHT

Description : A satellite is observed to move in a circle about the earth at a constant speed. This means that the force acting upon it is: w) zero x) parallel to the direction of the satellite ... velocity y) perpendicular to the direction of the satellite's instantaneous velocity z) none of the above

Last Answer : ANSWER: Y -- PERPENDICULAR TO THE INSTANTANEOUS DIRECTION OF THE SATTELITE’S VELOCITY

Description : The minimum number of geostationary satellites needed for uninterrupted global coverage is : (1) 3 (2) 2 (3) 4 (4) 1

Last Answer :  2

Description : Which among the following waves is used for communication by artificial satellites ? (1) Micro waves (2) Radio waves (3) A. M. (4) Frequency of 1016 series 

Last Answer : Micro waves

Description : Science question: What happens if you shoot an antihydrogen atom into a mercury atom?

Last Answer : Wouldn’t the result be radioactive gold? Perhaps it would be easier to slam platinum and hydrogen together to make gold. And if you wanted to recycle the mercury couldn’t you hit it with helium and make lead (a bit safer than thalium)? And you wouldn’t have to create any antimatter.

Description : What is the density of mercury ?

Last Answer : Mercury density 13.6 gm / cc

Description : How far is Mercury from Earth ?

Last Answer : The distance of Mercury from Earth is 9.2 crore km.

Description : What is the harm to the fetus due to mercury poisoning ?

Last Answer : Mercury acts on the fetal nervous system. As a result, birth defects such as cerebral palsy , mental defects, etc. are seen at birth.

Description : What is the temperature of hardening of mercury ?

Last Answer : Mercury hardening temperature = - 39 ° C = (273-39) K = 234 ° K

Description : What happens to the level of mercury in the barometer tube when it is taken down a coal mine?

Last Answer : – It rises

Description : What does the rise of mercury in a barometer indicate?

Last Answer : – Fair weather

Description : A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. (1) The mercury level starts rising (2) The mercury level starts falling (3) The mercury level does not change (4) The bell jar breaks up

Last Answer : (1) The mercury level starts rising Explanation: As the pump removes the air from the bell jar the pressure obviously reduces around the barometer. The reduction in pressure around the barometer leads it to expand. As the pump removes air from the jar, the mercury level rises.

Description : Mercury is commonly used as a thermometric fluid rather than water because (1) specific heat of mercury is less than water (2) specific heat of mercury is more than water (3) mercury has greater visibility than water (4) density of mercury is more than the water

Last Answer : (3) mercury has greater visibility than water Explanation: One special kind of mercury-inglass thermometer, called a maximum thermometer, works by having a constriction in the neck close to the bulb.

Description : On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because (1) Mercury is a metal (2) Density of mercury is greater than that ... is greater than its adhesion with glass (4) Cohesion of water is greater than its adhesion with glass

Last Answer : (3) Cohesion of mercury is greater than its adhesion with glass Explanation: When liquid is placed on a smooth surface like glass plate, the relative strengths of the cohesive and adhesive forces acting on ... and a surface are stronger, they will pull the liquid down, causing it to wet the surface.

Description : What is the range of mercury thermometer? (1) 0 degree Celsius to 350 degree Celsius (2) -10 degree Celsius to 350 degree Celsius (3) -20 degree Celsius to 350 degree Celsius (4) -30 degree Celsius to 350 degree Celsius

Last Answer : (4) -30 degree Celsius to 350 degree Celsius

Description : The main purpose of the spacecraft "messenger" is : (1) Orbiting the Venus (2) Orbiting the Mars (3) Mapping and investigating the Mercury (4) None of the above

Last Answer : (3) Mapping and investigating the Mercury Explanation: Messenger (stylized as MESSENGER, whose backronym is Mercury Surface, Space Environment, Geochemistry, and Ranging") was spacecraft that orbited the planet Mercury between 2011 and 2015.

Description : The brightest planet is ______. (1) Jupiter (2) Mars (3) Venus (4) Mercury

Last Answer : (3) Venus Explanation: Venus is one of the brightest objects in the night sky Venus is so bright because its thick clouds reflect most of the sunlight that reaches it (about 70%) back into space, and because it is the closest planet to Earth.

Description : Which planet is nearest to the sun? (1) Earth (2) Jupiter (3) Mercury (4) Mars

Last Answer : (3) Mercury Explanation: At an average distance of only 57.9 million km, Mercury orbits closer to the Sun than any other planet. Mercury takes only 88 days to complete an orbit around the Sun.

Description : Which among the following is not an inner planet? (1) Mercury (2) Saturn (3) Venus (4) Earth

Last Answer : (2) Saturn Explanation: The inner planets (in order of distance from the sun, closest to furthest) are Mercury. Venus, Earth and Mars.

Description : The mercury and sodium street lamps light up because of – (1) Atomic emission (2) Atomic absorption (3) Electron emission (4) Electron absorption

Last Answer : (1) Atomic emission Explanation: The light in sodium vapour lamp and mercury vapour lamp is, because of electron emission. In case of Sodium Lamps, filaments of the lamp sputter ... energy levels and the electrons thus excited relax by emitting the characteristic monochromatic bright yellow light.

Description : Which of the following is an insulator? (1) Mercury (2) Carbon (3) Germanium (4) Glass

Last Answer : (4) Glass Explanation: Insulators are materials that do not allow the transfer or that slow the transfer of heat or electricity. Some of the examples of insulators are: glass, plastic, rubber, porcelain, wood, ceramic, dry air, etc.

Description : Which of the following liquids has the least density? (1) Fresh water (2) Salt water (3) Petrol (4) Mercury

Last Answer : (3) Petrol Explanation: Gasoline or petrol is a transparent, petroleum-derived liquid that is used primarily as a fuel in internal Combustion engines. It consists mostly of organic compounds obtained by the fractional distillation of petroleum, enhanced with a variety of additives.

Description : Which one of the following is called a red planet? (1) Venus (2) Mercury (3) Mars (4) Jupiter

Last Answer : (3) Mars Explanation: Mars is often called the 'Red planer' because it appears in the sky as an orange-red star.

Description : The best conductor of heat among the following is – (1) alcohol (2) mercury (3) ether (4) water

Last Answer : (2) mercury Explanation: Since mercury is 13+ times as dense as water, a given volume of mercury would carry about 4.4 times as much heat, so mercury is best conductor of heat among the given ... for temperature and pressure. Mercury has one of the narrowest ranges of its liquid state of any metal.

Description : In mirrors the back surface is coated with a thin layer of (1) Mercury (2) Silver (3) Red oxide (4) Silver nitrate

Last Answer : (2) Silver Explanation: In a spherical mirror, one of the two curved surfaces is coated with a thin layer of silver followed by a coating of red lead oxide paint. Thus, one side of the spherical minor is opaque and the other side is a highly polished reflecting surface.

Description : The commonly used thermometric substance is _____. (1) mineral oil (2) Alcohol (3) Mercury (4) Petrol

Last Answer : (3) Mercury Explanation: Thermometric liquids are used in thermometers to measure temperature. Mercury and alcohol are common thermometric liquids.

Description : A spherical ball made of steel when dropped in mercury container will – (1) sink in mercury (2) will be on the surface of mercury (3) will be partly immersed mercury (4) will dissolve in mercury

Last Answer : (2) will be on the surface of mercury Explanation: The density of steel usually ranges between 7.75 and 8.05 g/cm3 and the density of mercury is 13.534 g/cm3. Mercury ... materials usually have different densities, so density is an important concept regarding buoyancy, purity and packaging.

Description : On all instruments like measuring cylinder, pipette and burette, readings are always taken at the bottom of the meniscus of liquid. This is not true for liquids like A. Oil B. Ink C. Mercury D. Seawater

Last Answer : Mercury

Description : This planet's orbit gave proof of the superiority of Einstein's theory of gravity over Newton's: w) Mercury x) Earth y) Mars z) Pluto

Last Answer : ANSWER: W -- MERCURY

Description : Which of the following is an insulator? (1) Mercury (2) Carbon (3) Germanium (4) Glass

Last Answer : Glass

Description : On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because (1) Mercury is a metal (2) Density of mercury is greater than that ... is greater than its adhesion with glass (4) Cohesion of water is greater than its adhesion with glass

Last Answer : Cohesion of mercury is greater than its adhesion with glass

Description : The mercury and sodium street lamps light up because of : (1) Atomic emission (2) Atomic absorption (3) Electron emission (4) Electron absorption

Last Answer : Atomic emission

Description : A barometer is kept inside a bell jar. Air is slowly pumped out of the jar. (1) The mercury level starts rising (2) The mercury level starts falling (3) The mercury level does not change (4) The bell jar breaks up

Last Answer : The mercury level starts rising

Description : In mirrors the back surface is coated with a thin layer of : (1) Mercury (2) Silver (3) Red oxide (4) Silver nitrate

Last Answer : Silver

Description : A spherical ball made of steel when dropped in mercury container will (1) sink in mercury (2) will be on the surface of mercury (3) will be partly immersed mercury (4) will dissolve in mercury

Last Answer : will be on the surface of mercury

Description : Which of the following liquids has the least density ? (1) Fresh water (2) Salt water (3) Petrol (4) Mercury

Last Answer : Petrol

Description : The best conductor of heat among the following is (1) alcohol (2) mercury (3) ether (4) water

Last Answer : mercury