20 MCQ/GK Question with Answer on Sun

20 MCQ/GK Question with Answer on Sun
What is the Sun?
a) A planet
b) A star

c) A comet
d) A moon

Answer: b) A star
What is the diameter of the Sun?
a) 1,392,684 km
b) 12,742 km

c) 6,371 km
d) 10,000 km


Answer: a) 1,392,684 km
How far away is the Sun from Earth?
a) 1 million km
b) 150 million km

c) 500 million km
d) 1 billion km


Answer: b) 150 million km
What is the temperature at the surface of the Sun?
a) 5,500 degrees Celsius
b) 15,000 degrees Celsius

c) 1,000 degrees Celsius
d) 50,000 degrees Celsius


Answer: a) 5,500 degrees Celsius
What is the core temperature of the Sun?
a) 10,000 degrees Celsius
b) 50,000 degrees Celsius

c) 100,000 degrees Celsius
d) 15,000,000 degrees Celsius


Answer: d) 15,000,000 degrees Celsius
How long does it take for the Sun’s light to reach Earth?
a) 1 second
b) 1 minute

c) 8 minutes
d) 1 hour


Answer: c) 8 minutes
What is the Sun mainly composed of?
a) Helium and hydrogen
b) Oxygen and nitrogen

c) Carbon dioxide
d) Water vapor


Answer: a) Helium and hydrogen
What is the process that occurs in the Sun’s core?
a) Nuclear fusion
b) Nuclear fission

c) Radioactive decay
d) Electron capture


Answer: a) Nuclear fusion
What is the Sun’s magnetic field called?
a) Solar wind
b) Solar corona

c) Sunspots
d) Heliosphere


Answer: d) Heliosphere
What is the period of the Sun’s magnetic cycle?
a) 11 years
b) 22 years

c) 33 years
d) 44 years


Answer: a) 11 years
What is a solar flare?
a) A burst of energy from the Sun’s core
b) A burst of radiation from the Sun’s atmosphere

c) A burst of heat from the Sun’s surface
d) A burst of light from the Sun’s corona


Answer: b) A burst of radiation from the Sun’s atmosphere
What is a coronal mass ejection?
a) A burst of energy from the Sun’s core
b) A burst of radiation from the Sun’s atmosphere

c) A burst of heat from the Sun’s surface
d) A burst of plasma from the Sun’s corona


Answer: d) A burst of plasma from the Sun’s corona


What is the solar wind?
a) A stream of charged particles from the Sun
b) A stream of gas from the Sun

c) A stream of light from the Sun
d) A stream of heat from the Sun


Answer: a) A stream of charged particles from the Sun


What is the name of the space mission that studies the Sun?
a) Hubble Space Telescope
b) Parker Solar Probe

c) Voyager 1
d) New Horizons

Answer: b) Parker Solar Probe


What is the Sun’s apparent magnitude?
a) -26.74
b) 1.00
c) 5.12
d 4.45


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