Tag: galaxies

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Questions Related to galaxies

Multiple choice physics movement of the earth properties of stars life cycle of stars solar system and its planets types of galaxies galaxies

A solar flare occurs when .......... energy that has built up in the solar atmosphere is suddenly released.

  1. heat

  2. light

  3. electromagnetic

  4. magnetic
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Solar flares are sudden, intense eruptions of radiation from the sun's surface, caused by the rapid release of magnetic energy that has built up in the solar atmosphere.

Multiple choice physics movement of the earth properties of stars life cycle of stars solar system and its planets types of galaxies galaxies

Sun spots are the areas to which the energy produced in the sun's core is unable to reach due to

  1. some unknown reasons

  2. inhibitions by the lower layers

  3. inhibition by the strong magnetic field to the convective motion of the evergy

  4. inhibition by the strong gravitational field to the convective motion of the evergy
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ans: inhibition by strong magnetic field to the convective motion of the energy

Multiple choice physics movement of the earth properties of stars life cycle of stars solar system and its planets types of galaxies galaxies

Which is the part of sun where the energy is transported from superhot interior to cold outer layers by photons?

  1. Core

  2. Radiative Zone

  3. Convective zone

  4. None
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Radiative zone lies between the core and the convective zone. In radiative zone, energy resulted from the nuclear fusion in the core travels upwards by photons.

Multiple choice physics movement of the earth properties of stars life cycle of stars solar system and its planets types of galaxies galaxies

Sunspots on the photosphere are due to.

  1. Eclipses caused by planets

  2. Comparatively cooler regions

  3. Granulation's

  4. Cloudy weather on the earth
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sunspots are temporary phenomenon on the sun photosphere that appears as spots darker than the surrounding area.

They are regions of reduced surface temperature. 
Answer is $B$