Physics Questions - Module #11
- Feel free to use the questions below to check (or improve) your understanding of the concepts in this physics module.
- Why are the atoms in a baby's body about the same age as the atoms in an adult's body? Because…
- Inside every baby is an adult
- Inside every adult is a baby
- Atoms are eternal, i.e., they always existed
- All atoms and elements were formed at the Big Bang, about 14 billion years ago
- Atoms, that are present in both baby and adult, were formed about the same time by exploding stars
- Most of the mass of an atom is in its
- atomic mass units
- protons and neutrons
- The atoms in your body are mostly empty space, and so are the atoms in any wall. Why then is your body unable to pass through walls ? Because of…
- absence of doors in the walls
- magnetic forces between atoms
- nuclear forces
- gravitational forces
- electrical forces
- atomic vibrations
- Which of the following is a mixture?
- none of the above
- all of the above
- When sodium and chlorine react to form salt, a certain amount of energy is given off. This energy is ___ compared to the energy it takes to separate sodium and chlorine to form salt.
- the same
- it is impossible to separate sodium and chlorine from salt
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Module-11 Answers |