When our sun reaches the end of its red giant phase, it will turn into a___________?

Related Mcqs:

1. Heat of sun reaches the earth by ___________?

   A. Convection
   B. radiation
   C. Conduction
   D. None of these

   Submitted by: Rida

2. When in the part of its orbit closest to the Sun, Pluto has an atmosphere of nitrogen and methane similar to Triton’s, but what happens when it is farther from the Sun ?

   A. These gases are not present
   B. These gases are like plasma
   C. These gases are frozen 
   D. These gases are volatile

   Submitted by: Muhammad Abdullah

3. Earth is closest to the sun every year in early ______________, when it’s winter for the Northern Hemisphere. We’re farthest away from the sun in early __________________, during our Northern Hemisphere summer.

   A. January – July
   B. June – December
   C. July – January
   D. December – June

   Submitted by: Mansoor Ul Haque

4. The sun appears red at sunrise and sunset while it appears white at noon, because

   A. Of refraction
   B. It is cooler at sunrise and at sunset
   C. Of diffraction leading to red end of the spectrum reaching the earth.
   D. Of Scattering of light due to dust particles and air molecules.

5. A pulsar is actually a___________?

   A. Black hole
   B. White dwarf
   C. Red giant
   D. Neutron star 

   Submitted by: Shahbaz Jiskani

6. The position of earth in its orbit, when it is at its greatest distance from the sun causing northern summer is called ___________?

   A. Aphelion
   B. Perihelion
   C. Perigee
   D. Apogee
   E. None of these

7. The sun is expected to exhaust its hydrogen fuel in about 5 billion years. What will be its effect?

   A. The sun will then expand into a red giant and possibly swallow the outer planets
   B. The sun will then expand into a red giant and possibly swallow the inner as well as outer planets, including Earth
   C. The sun will then expand into a red giant and possibly swallow the inner planets, including Earth
   D. Sun will stay as it is

   Submitted by: Muhammad Abdullah

8. Moon light reaches to earth in___________seconds?

   A. 0.3 seconds
   B. 1.3 seconds
   C. 2.3 seconds
   D. 3.3 seconds

   Submitted by: Adv Imtiaz Ali

9. Recently, scientists observed the merger of giant ‘blackholes’ billions of light-years away from the Earth. What is the significance of this observation?

   A. ‘Higgs boson particles’ were detected.
   B. Gravitational waves’ were detected.
   C. Possibility of inter-galactic space travel through ‘wormhole’ was confirmed.
   D. It enabled the scientists to understand ‘singularity’.

   Submitted by: Abid Hussain

10. The Sun produces most of its energy by_____________?

    A. Nuclear fusion
    B. nuclear fission
    C. Burning hydrogen
    D. None of these

    Submitted by: Malik Asghar Hussain