How much time does the earth take in completing one rotation on its axis in relation to sun?
23 hours 56 minutes
24 hours
23 hours 46 minutes
24 hours 4 minutes
Correct Answer :
B. 24 hours
Related Questions
The term 'syzygy' is referred to when the
Earth is at prihelion and Moon at perigee
Earth is at aphelion and Moon at apogee
Moon and Sun are at right angles with reference to the Earth
Moon, Sun and Earth lie along a straight line
What proportion of the mass of the earth does the mass of the Moon equal?
1/81
1/18
1/27
1/72
When a year divisible by 4 and not divisible by 400 is called
Siderial Year
Solar Year
Cosmic Year
Leap Year
How much is the variation In distance between the Earth and the Sun during aphelion and perihelion?
5000000 km
500000 km
50000 km
5000 km
Who was the first person to describe the earth as a sphere?
Columbus
Varahmihir
Aryabhat
Copernicus
What is the geographical term for land's end, that tip of land which projects into the sea?
A headland
A spit
A peninsula
A cape
Which of the following is the largest ocean?
Indian
Pacific
Atlantic
Arctic
Which planet has the largest equatorial radius?
Jupiter
Saturn
Mars
Earth
What is the name given to the widened rivermouth found at the point a river enters the sea?
Estuary
Bay
Gulf
Delta
The tail of a comet is directed away from the Sun because
as the comet rotates around the Sun, the light mass of the comet is pushed away due to the centrifugal force alone
as the comet rotates, the lighter mass of the comet is attracted by some star situated in the direction of its tail
the radiation emitted by the Sun exerts a radial pressure on the comet throwing its tail away from the Sun
the tail of the comet always exists in the same orientation
The atmosphere of Venus contains large quantity of
Carbondioxide and sulphuric acid
Carbondioxide and nitric acid
Nitrogen and sulphuric acid
Nitrogen and nitric acid
Which of the following planets is called 'blue planet'?
Venus
Earth
Mars
Uranus
What is the most accurate description of the shape of the earth?
a geoid
a spherical
an oblate sphere
a flat disc
A swarm of small bodies in between the two Planets of Solar System is called 'asteroids' which are those two Planets?
Mars and Jupiter
Earth and Venus
Neptune and Pluto
Jupiter and Saturn
Which of the following statements is correct with reference to our Solar System?
The Earth is the densest of all the Planets in our Solar System
The predominant element in the composition of Earth is silicon
The sun contains 75 per cent of the mass of the Solar System
The diameter of the Sun is 190 times that of the Earth
The time taken by the sun to revolve around the centre or our galaxy is
25 million yrs
100 million yrs
250 million yrs
500 millionyrs
The name of our galaxy is _______
Alfa Centauri
Proxima Centauri
Milky Way
Neptune
The study of universe on grand scale is called.
Cosmology
Astronomy
Astrology
Exbiology
What is peninsula?
A narrow belt of land
A mountainous island
A piece of land surrounded by water on three sides
A range of hills
Which of the following statements best describes longitudes?
An imaginary line on the earth's surface joining the north and south pole
The angular distance east or west of the Greenwich Meridian
The distance of place east or west of the Greenwich Meridian
The position of a place on the Earth surface with reference to the Prime Meridian
A leap year consists of
365 days
365 days and 6 months
364 days
366 days
Charon' is the satellite of _____.
Earth
Saturn
Pluto
Neptune
What meridian is the International Date Line?
The 180° meridian
The O° meridian
The 90° meridian
The 135° meridian
A family or system of millions and millions of stars are called ____.
Universe
Solar System
Galaxy
Asteroids
What is a 'synodic month'?
Moon's period of rotation on its axis with respect to the earth.
Moon's period of revolution around the earth.
Moon's period of revolution with respect to a star at infinity
Moon's period of revolution with respect to the Sun
The dark patches, associated with the Sun storms present in Sun are called
Sunspots
Pulsars
White Dwarfstar
Supernova
The Sun experiences magnetic storms and this Interferes with the magnetic field oC the Earth and produces light which are called
Quasars
Polar Auroras
Meteorites
Pulsar
Hale Bopp' is a newly discovered ____.
Planet
Meteore
Satellite
Comet
One Astronomical Unit is the average distance between
Earth and the Sun
Earth and the Moon
Jupiter and the Sun
Pluto and the Sun
What is the difference between a lake and a tank?
A lake is small and a tank is big
A lake has flowing water, a tank has still water
A lake is a geographical feature, a tank is not
Both are land-enclosed water bodies, but the latter is man-made