Directions: In the following items, a word is given, followed by two suggested meanings. You are required to identify the correct meaning of the word and indicate your choice by using the code that follows:
'Perturbation'
1. Mental anxiety and disturbance
2. Deviation of a system or moving object caused by an outside influence
Perturbation Meaning Explained
The question asks for the correct meaning of the word 'Perturbation'. Let's analyze the two suggested meanings provided:
Meaning 1: Mental Anxiety and Disturbance
The word 'Perturbation' can indeed refer to a state of mental or emotional upset. It signifies being disturbed, agitated, or anxious.
- This meaning relates to psychological or emotional conditions where a person feels uneasy or troubled.
- For example, someone might experience perturbation of mind due to stressful news.
Meaning 2: Scientific Deviation
In scientific contexts, particularly in physics and astronomy, 'Perturbation' has a specific technical meaning.
- It refers to a deviation from an expected or regular course, often caused by the influence of external forces.
- A classic example is the perturbation in a planet's orbit caused by the gravitational pull of another celestial body. In orbital mechanics, the motion of planets is often described as the main orbit plus smaller perturbations.
- Mathematically, perturbation theory is used to find approximate solutions to problems that cannot be solved exactly.
Conclusion
Since 'Perturbation' is used in both the sense of mental/emotional disturbance and scientific deviation, both meanings provided are valid. Therefore, the option indicating that both meanings are correct is the appropriate choice.
Similar Questions
Precept and Percept
Directions: Match List I with List II and select the answer using the code given below the Lists:
List I
(Word/Expression)List II
(Meaning)A. Kernel 1. Something that causes bad luck B. Brook 2. Small stream C. Jinx 3. Something that gives feeling of comfort D. Solace 4. Soft part inside a seed
Code:
A B C D'Immolate'
1. To kill somebody or self by burning
2. To kill somebody or self or an animal as an act of sacrifice'Raconteur'
1. Someone who is capable of telling stories in an interesting manner
2. Somebody who believes in only telling tall tales'Quotidian'
1. To quote inaccurately
2. Someone fond of quoting others'Anarchism'
1. Absence of government and/or authority
2. Chaos and disorder in the absence of government'Pristine'
1. In the original condition
2. In the defiled condition'Emasculate'
1. Making someone strong and powerful
2. Increase one's musculature'Enormity'
1. The fact of something being serious and grave
2. Abominable crime or sin'Minimise'
1. Reduce something to the smallest possible degree
2. Reduce expenses, or the degree of anything or of any activity
Important Questions from Vocabulary
A sentence has been given with a blank to be filled with an appropriate word. Choose the correct alternative.
As we get older, our muscles start to become _______
Choose the correct meaning of the given word.
Craven
Direction : In the following items a word is followed by four explanatory expressions. Choose the expression which best describes the word:
Stopgap
Direction : In the following sentence, out of the given alternatives choose the one which best expresses the meaning of the underlined word.
He warned against making hasty decisions.
Select the most appropriate option to fill in the blank.
Freud's work with free association, dream analysis and the unconscious was of ____________ importance to the Surrealists in developing methods to liberate imagination.
