Home › CBSE Class 12 (Science) › Physics › Nuclei › The Coulomb barrier between two protons is about…
The Coulomb barrier between two protons is about how high?
A4 MeV
B400 keV
C40 eV
D4 keV
Answer & Solution
Correct answer: B. 400 keV
The barrier for two protons is roughly 400 keV and rises for more highly charged nuclei.
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?