Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: No electron is a proton. No proton is a neutron. Conclusions: I) It is possible for some electrons to be neutrons. II) All neutrons are electrons.
This question asks us to analyze logical relationships between different particles - electrons, protons, and neutrons - based on provided statements and determine which conclusions logically follow. This type of problem is common in logical reasoning and often uses concepts similar to set theory or Venn diagrams, although we will use verbal reasoning here.
We are given two statements:
Let's break down what these statements tell us:
Crucially, the statements tell us about the relationship of electrons and neutrons *to protons*, but they do not directly state any relationship between electrons and neutrons themselves.
Now let's look at each conclusion based on the statements.
This conclusion talks about possibility. We know electrons are not protons, and neutrons are not protons. The statements do not forbid electrons from being neutrons. Consider the possibilities:
Since the statements do not rule out the scenario where some electrons are neutrons, this scenario is possible. Therefore, Conclusion I logically follows as a possibility from the given statements.
This conclusion makes a definite claim: every single neutron is also an electron. Do the statements support this? The statements only say that neutrons are not protons, and electrons are not protons. This provides no information that would allow us to definitively conclude that all neutrons belong to the set of electrons. It might be true in some possible scenarios not ruled out by the statements, but the statements themselves do not guarantee it. A definite conclusion like "All neutrons are electrons" requires a direct or indirect link in the statements that is strong enough to support a universal truth. Such a link is absent here.
Therefore, Conclusion II does not logically follow from the given statements.
Based on our analysis, only Conclusion I follows from the given statements.
| Statement/Conclusion | Relationship | Logical Outcome (Based on Statements) |
|---|---|---|
| Statement: No electron is a proton. | Electron <> Proton | Electron set and Proton set are disjoint. |
| Statement: No proton is a neutron. | Proton <> Neutron | Proton set and Neutron set are disjoint. |
| Conclusion I: Possible for some electrons to be neutrons. | Electron <> Neutron (Possibility) | Follows (Statements don't rule this out). |
| Conclusion II: All neutrons are electrons. | Neutron → Electron (Definite) | Does not follow (Statements don't guarantee this). |
This question is an example of a syllogism, a form of logical reasoning where a conclusion is derived from two or more premises (statements). In syllogisms involving categories (like electrons, protons, neutrons), it's important to understand the difference between conclusions that are definitely true and conclusions that are merely possible.
In this problem, the statements create a separation between electrons and protons, and between protons and neutrons. They don't directly connect electrons and neutrons in a way that forces a definite relationship between them. Therefore, while many relationships between electrons and neutrons are possible (including overlap or no overlap), a definite "All neutrons are electrons" cannot be guaranteed.
A stone is thrown horizontally from the top of a 20 m high building with a speed of 12 m/s. It hits the ground at a distance R from the building. Taking g = 10 m/s2 and neglecting air resistance will give :
A mass is attached to a spring that hangs vertically. The extension produced in the spring is 6 cm on Earth. The acceleration due to gravity on the surface of the Moon is one-sixth of its value on the surface of the Earth. The extension of the spring on the Moon would be:
Directions: Each item in this section consists of a sentence with an underlined word followed by four words (a), (b), (c), and (d). Select the option that is opposite in meaning to the underlined word and mark your response in your Answer Sheet accordingly.
The major source of vitamins and minerals for vegetarians is
Which of the following statements about the Deccan Riots Commission is/are correct?
1. The Commission did not hold enquiries in the districts which were not affected.
2. The Commission did record the statements of ryots, sahukars and eye-witnesses.
Select the correct answer using the code given below: