Skip to content / Đến nội dung
ThichHocToan.com

IMSO 2024 Science International — Theory I Question 24

IMSO Science · IMSO 2024 Science International — Theory I

Question 24

Original source text (the original panel preserves all diagram labels, tables and choices):

The diagrams below represents the life cycle of the Sun and example of Stars
based on their Characteristics and Life Cycles. The diagonal dashed line
represents the main sequence stars. The numbers 1 through 5 represent stages in
the life cycle of the Sun.





Which of the following statements is correct and incorrect about the stars?

I. Alpha Centauri and Pollux are two stars that are at the same stage as the
Sun
II. 40 Eridani B is towards the end of its life cycle.
III. Spica emits higher energy than Barnard’s Star.
IV. When Polaris enters stage 5 its relative luminosity increases and its surface
temperature decreases
V. Sun is most luminous at stage 3.

Correct Incorrect
A. I, II, IV III, V
B. I, IV II, III, V
C. II, IV, V I, III
D. II, III, V I, IV

Question illustration

Question illustration
  1. Correct I, II, IV; Incorrect III, V
  2. Correct I, IV; Incorrect II, III, V
  3. Correct II, IV, V; Incorrect I, III
  4. Correct II, III, V; Incorrect I, IV