Home › CBSE Class 12 (Science) › Physics › Nuclei › What is the approximate temperature of the Sun's…
What is the approximate temperature of the Sun's interior?
A1.5 × 10⁹ K
B6 × 10³ K
C1.5 × 10³ K
D1.5 × 10⁷ K
Answer & Solution
Correct answer: D. 1.5 × 10⁷ K
The interior of the Sun is about 1.5 × 10⁷ K, so only high-energy protons fuse.
Related questions
The Sun is about 5 × 10⁹ years old. Its hydrogen should last about how much longer?What is the main challenge in controlled thermonuclear fusion?Controlled fusion reactors aim to heat fuel to about what temperature?What will the Sun become after its core hydrogen is exhausted?At about 10⁸ K, a star's core fuses helium nuclei into what?How much energy is released when four hydrogen atoms fuse into helium?The net result of the Sun's proton-proton cycle is four hydrogen forming what?Fusion driven by raising the temperature is called what?