alleryStart learning →If an atom were blown up to the size of a classroom, the nucleus would be about as big as a:
APinhead
BFootball
CBlackboard
DSchoolbag
Answer & Solution
Correct answer: A. Pinhead
1. The nucleus is tiny compared with the whole atom.
2. Scaled to a classroom it shrinks to a speck.
3. That speck is the size of a pinhead.
_Source: syllabus Physics Part II, Class XII, Chapter 13, 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?