ESS
Grade-9
Easy
Question
_________ is used to study far away objects.
Hint:
This device is used look at star, planets and moon.
The correct answer is:
- a- Microscope-A simple microscope is a magnifying glass with a biconvex lens with a short focal length.
- b- Telescope- A telescope is a device for observing distant objects by emitting, absorbing, or reflecting electromagnetic radiation.
- c- Stethoscope - A stethoscope is a medical device used to auscultate or listen to internal sounds of an animal or human body.
- d- kaleidoscope- A kaleidoscope is an optical instrument that has two or more reflective surfaces inclined at an angle to each other such that one or more objects are repeated at one end of these mirrors so that when viewed from the other end It sometimes appears as a regular symmetrical pattern. contemplation.
- Telescope is use to study far away objects.
- So, the correct option is b.
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CBR is___________.
CBR is___________.
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_______ theory states that an explosion created the universe.
_______ theory states that an explosion created the universe.
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Select the correct option.
Select the correct option.
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Sunspots are produced by areas of strong magnetic fields that decrease the transport of energy to the surface by ________.
Sunspots are produced by areas of strong magnetic fields that decrease the transport of energy to the surface by ________.
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Match the following:
Match the following:
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_________ has a longer wavelength than visible light.
_________ has a longer wavelength than visible light.
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Which of the following has shortest wavelength?
Which of the following has shortest wavelength?
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Most of the light that we get from the Sun is energy that was emitted by atoms in the__________.
Most of the light that we get from the Sun is energy that was emitted by atoms in the__________.
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The following image is of__________.
The following image is of__________.
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The layer present between photosphere and the corona is__________.
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In __________ layer of sun, energy is generated by nuclear fusion.
In __________ layer of sun, energy is generated by nuclear fusion.
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In the photosphere________________.
In the photosphere________________.
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The scientific study of the universe is called _________.
The scientific study of the universe is called _________.
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_________has the shortest wavelength.
_________has the shortest wavelength.
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___________is the central part of Sun.
- Sunspots are phenomena on the Sun's photosphere that appear as temporary dark spots.
- A radiation zone, or radiative region is a layer of a sun's interior.
___________is the central part of Sun.
ESSGrade-9
- Sunspots are phenomena on the Sun's photosphere that appear as temporary dark spots.
- A radiation zone, or radiative region is a layer of a sun's interior.
