Question # 1

Spectroscope is an instrument used to edamine the wavelength of.

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Water waves

Sound waves

Light waves

Air waves

Our Sun is ............ kilometres away from the Earth.

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10 millions

12 millions

15 millions

20 millions

Star's distance are measured in

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Kilometeres

Miles

Light years

Nauticalmiles

The last stage in the life of massive star is

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Red Gaint

White dwarf

Super Giant

Black hole

The colour of hottest star is

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Red

Yellow

Blue

White

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

Scientific study of space by using especially developed technology is called.

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Space invention

Space exploration

Space searching

Space developing

An instrument that helps in seeing heavenly objects.

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microscope

Kaleidoscope

Telescope

Periscope

GPS means

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Global pure system

Global positioning system

Global positioning satellite

Global pure satellite

The nearest star after the Sun is.

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Rigel

Sirius

Aldebaran

Proxima Centaure

James Webb telescope launched in space.

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20 December 2021

21 December 2021

22 December 2021

25 December 2021

The age of milky way Galaxy is about.

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13.6 billion years

13.4 billion years

13.5 billion years

13.7 bilion years

Surface temperature of the Sun is

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3000 oC

6000 oC

15000 oC

1,500,000 oC

Hubble telescope orbits the Earth at a height of about.

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550 km

560 km

500 km

600 km

Neutron stars emit higher energy reaiation such as.

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Alpha rays

X -rays

beta rays

Gama rays

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General Science 8th Class English Medium Chapter 12 Online Test MCQs With Answers

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