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Stars

Consider the ...

Question

Consider the following statements:
(1) Stars are born in nebulae.
(2) Stars expand as they grow old.
(3) It will eventually collapse and explode.
Which of the statements given above is/are correct?

A

Only 1

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B

1 and 2

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C

1 and 3

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D

All of these

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Solution

The correct option is D All of these

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Q. Consider the following statements with reference to Celestial bodies.
1. They generate light by nuclear reactions and are held by their own gravity.
2. Stars originate from nebulae.
Which of the statements given above is/are correct?

Q. Consider the following statements:
(1) Type I Supernova occurs in binary star systems in which gas from one star fails on to a white dwarf, causing it to explode.
(2)Type II Supernova occurs in stars ten times or more as massive as the Sun, which suffer run away internal nuclear reactions at the ends of their lives, leading to an explosion.
Which of the statements given above is/are correct?

Q. Statement 1: Young stars are blue in colour.
Statement 2: Old stars are red in colour.
Which of the following is correct?

Q. In the question, three statements are given, followed by two conclusions. Consider the statements to be true even if it seems to be at variance from commonly known facts. Decide which of the given conclusions, if any, follow(s) from the given statements.

Statements

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All stars are moons.
All moons are planets.
All planets are round.

Conclusions

:

1.

All moons being stars is a possibility.

2.

All stars are round.

Q. In each question below are given three statements followed by two conclusions numbered I and II. You have to take the given statements to be true even if they seem to be at variance with commonly known facts. Read all the conclusions and then decide which of the given conclusions logically follows from the given statements, disregarding commonly known facts. Give answer
Statements: All stars are moons.
All moons are planets.
All planets are round.
Conclusions: I. At least some planets are stars.
II. All stars if they are moon will be planet.

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