Consider the following statements: Statement-I: Giant stars live much longer than dwarf stars. Statement-II:…
Consider the following statements: Statement-I: Giant stars live much longer than dwarf stars. Statement-II: Compared to dwarf stars, giant stars have a greater rate of nuclear reactions. Which one of the following is correct in respect of the above statements?
Both Statement-I and Statement-II are correct and Statement-I Statement-II explains
Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I
Statement-I is correct, but Statement-II is incorrect
Statement-I is incorrect, but Statement-II is correct
Solution
Giant stars have MUCH SHORTER lifespans than dwarf stars (Statement-I wrong) — they burn fuel rapidly. The reason is precisely that giants have a much greater rate of nuclear reactions (Statement-II correct).