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Current Affairs January 2024

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4

How much time (approximately) does the light from the nearest star to the Sun take in reaching the earth?

A. 4.3 seconds

B. 4.3 years

C. 4.3 minutes

D. 4.3 hours

Correct Answer :

B. 4.3 years


Related Questions

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4

How much time does earth take in making one rotation on its axis with respect to a fixed star at infinite distance?

A. 23 hours 56 minutes

B. 24 hours

C. 23 hours 46 minutes

D. 24 hours 4 minutes

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4

A celestial body consisting of a gaseous cloud enveloping a bright nucleus moving around the Sun in an elliptical or parabolic orbit so eccentrically that some escapes from the Solar Systems is called

A. Comet

B. Great Bear

C. Meteores

D. Asteroides

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4

To a space traveller stationed in Moon, during the day time the lunar sky will appear

A. Blue

B. White

C. Black

D. Crimson Red

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4

Arrange the Outer Planets in increasing order of their sizes.
1. Jupiter
2. Uranus
3. Saturn
4. Neptune

A. 4, 2, 3, 1

B. 4, 2, 1, 3

C. 2, 4, 3, 1

D. 4, 2, 3, 1

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4

Sidereal means

A. Pertaining or referring to the stars

B. Pertaining or referring to the moon

C. Pertaining or referring to the Sun

D. Pertaining' or referring to the cosmic bodies

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4

The difference between day and night increases as one moves

A. From equator to poles

B. From poles to equator

C. From tropics to equator

D. From plains to mountains

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4

What is the primary cause of seasonal change on the surface of the earth?

A. Earth's revolution and inclination of its axis

B. Revolution

C. Earth's rotation and inclination of its axis

D. Rotation

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4

What is the shape of our galaxy 'Milky Way'?

A. spiral

B. elliptical

C. circular

D. spherical

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4

Brightest planet of our Solar System is _____.

A. Venus

B. Mercury

C. Uranus

D. Saturn

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4

When dees the Summer Solstice occur?

A. July 23

B. June 21

C. May 20

D. April 31

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4

The time taken by the sun to revolve around the centre or our galaxy is

A. 25 million yrs

B. 100 million yrs

C. 250 million yrs

D. 500 millionyrs

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4

Lunar eclipse means

A. Direction or path of the Moon

B. The Moon comes between the Sun and the Earth

C. The Earth comes in between the sun and the Moon and the centres of all the three come on the same straight line

D. The average angle made by a line drawn from the Moon to the Earth

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4

Planet with nearly equal rotation and revolution time to the earth is _____.

A. Venus

B. Mercury

C. Uranus

D. Mars

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4

The study of universe on grand scale is called.

A. Cosmology

B. Astronomy

C. Astrology

D. Exbiology

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4

Which planet does take the longest time in completing one revolution around the Sun?

A. Uranus

B. Saturn

C. Pluto

D. Neptune

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4

A swarm of small bodies in between the two Planets of Solar System is called 'asteroids' which are those two Planets?

A. Mars and Jupiter

B. Earth and Venus

C. Neptune and Pluto

D. Jupiter and Saturn

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4

Going into the interior of the earth the weight of an object

A. Increases

B. Decreases

C. Remains unchanged

D. First increases and then decreases

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4

Arrange the Inner Planets in decreasing order of their distances from the Sun.
1. Earth
2. Mercury
3. Venus
4. Mars
5. Neptune

A. 1, 4, 3, 2

B. 4, 2, 1, 3

C. 4, 1, 2, 3

D. 4, 1, 3, 2

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4

Which planet rotates on its axis from east to west?

A. Venus

B. Uranus

C. Earth

D. Jupiter

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4

Speed of the revolution of the earth is___'

A. 100000 km per hour

B. 10000 km per hour

C. 1000 km per hour

D. 100 km per hour

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4

The term 'syzygy' is referred to when the

A. Earth is at prihelion and Moon at perigee

B. Earth is at aphelion and Moon at apogee

C. Moon and Sun are at right angles with reference to the Earth

D. Moon, Sun and Earth lie along a straight line

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4

Which of the following is the largest ocean?

A. Indian

B. Pacific

C. Atlantic

D. Arctic

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4

The atmosphere of Venus contains large quantity of

A. Carbondioxide and sulphuric acid

B. Carbondioxide and nitric acid

C. Nitrogen and sulphuric acid

D. Nitrogen and nitric acid

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4

Orion and Great Bear stand for ______.

A. star

B. planet

C. Solar System

D. Constellation

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4

On which date is the Earth in 'perihelion'?

A. January-3

B. June-21

C. July-4

D. December-22

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4

The tail of a comet is directed away from the Sun because

A. as the comet rotates around the Sun, the light mass of the comet is pushed away due to the centrifugal force alone

B. as the comet rotates, the lighter mass of the comet is attracted by some star situated in the direction of its tail

C. the radiation emitted by the Sun exerts a radial pressure on the comet throwing its tail away from the Sun

D. the tail of the comet always exists in the same orientation

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4

What is the Southern Cross?

A. Position of the Sun during summer solstice

B. Position of the vertical Sun during winter solstice

C. A star showing the position of the South Pole

D. Point of intersection of Antarctic Circle and the Prime Meridian

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4

What does perigee mean?

A. The position of the moon farthest from the earth

B. The position of the earth nearest to the Sun

C. The position of the moon nearest to the earth

D. The position of the earth farthest from the Sun

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4

How many of the following statements are true?
1. Mean Solar Day is greater than Sidereal Day approximately by 4 minutes.
2. Earth's rotational velocity is decreasing.
3. Planets are arranged according to their increasing distance from the sun as follo

A. 3 and 4

B. 1, 3 and 4

C. 1 and 2

D. 1, 2, 3 and 4

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4

Planet with maximum satellites is _____.

A. Earth

B. Saturn

C. Jupiter

D. Pluto