End Stage of Stars

Q. Consider a planet moving around a star in an elliptical orbit with period T.the area of elliptical orbit is proportional to?? (which power of T)

Q. Which of the following stars will certainly end its life in a supernova?

1. the Sun
2. a red giant star
3. a 10-solar-mass star
4. a neutron star

Q.

why venus is called evening and morning star ?

Q. The maximum distance which can be measured by parallax method is about 3 light years than how we calculated the length of observable universe that is about 93 light years

Q. Write the evolutionary stages of the sun like star. Explain the last stage.

Q.

How many miles are there in a light year?

1. 93 million

2. 10 million

3. 6 trillion

4. 3.6 million

Q. How many metres make one light year?

Q.

Stars in a galaxy tend to exist mainly in:

1. groups

2. double stars

3. lone stars

4. none of the above

Q. Mass of a white dwarf have an upper limit of $1.4$ times mass of the sun beyond which it results into:

1. A neutron star
2. A supernova explosion
3. A black hole
4. A quasar

Q. A planet which is commonly called Evening Star:

1. Mercury
2. Venus
3. Pluto
4. Mars

Q. Who is telling lie ?
Only light can emit from the black hole.

Q. During which of the following phases does the core of a massive star have so much gravity that even light can't escape?

1. Neutron Star
2. Supernova
3. White Dwarf
4. Black Hole