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General Science 8th Class English Medium Chapter 12 Online Test MCQs With Answers
Question # 1
Spectroscope is an instrument used to edamine the wavelength of.
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Water waves
Sound waves
Light waves
Air waves
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Question # 2
Telescope on the Earth suffers from the defect that light coming from the stars has to pass through.
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Space
Water
Atmosphere
Clouds
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Question # 3
The approximate distance of the Sun from the centre of the milky way Galaxy is.
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24000 light years
22000 light years
21000 light years
25000 light years
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Question # 4
Physical exploration of space is conducte both by human spaceflights and.
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Telescope
Robitic spacecraft
Rocket
Spectroscope
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Question # 5
Surface temperature of the Sun is
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3000 oC
6000 oC
15000 oC
1,500,000 oC
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Question # 6
James Webb telescope launched in space.
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20 December 2021
21 December 2021
22 December 2021
25 December 2021
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Question # 7
Neutron stars emit higher energy reaiation such as.
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Alpha rays
X -rays
beta rays
Gama rays
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Question # 8
Bright stars may appear dim stars because they are.
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Old star
New star
Far away from Earth
Close to the Earth
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Question # 9
Our Sun is ............ kilometres away from the Earth.
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10 millions
12 millions
15 millions
20 millions
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Question # 10
One Solar system is a part of.
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Andromeda Galaxy
Jelly Fish Galaxy
Milky way galaxy
Irregular Shaped Galaxy
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Question # 11
A vehicle designed to carry an artificial satellite in outer space is.
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Rocket
Air bus
Jet Plane
Spacecrapt
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Question # 12
Glalieo invent and used telescope firstly in.
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1910
1911
1901
1909
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Question # 13
Hubble telescope orbits the Earth at a height of about.
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550 km
560 km
500 km
600 km
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Question # 14
GPS means
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Global pure system
Global positioning system
Global positioning satellite
Global pure satellite
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Question # 15
The colour of hottest star is
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Red
Yellow
Blue
White
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