The Laws of Motion were formulated by Sir Isaac Newton in the year 1687. They describe how and why objects move. These laws form the foundation of classical mechanics. 1. Newton’s First Law of Motion (Law of Inertia) Statement: An object remains in its state of rest or of uniform motion in a straight line …
The octane number indicates a fuel’s resistance to knocking in engines. Higher octane number fuels resist pre-ignition better under compression. Knocking occurs when fuel ignites prematurely in the engine cylinder. Iso-octane is assigned an octane number of 100 as a standard reference. n-Heptane is assigned an octane number of 0 as it ignites easily. The …
1. Match the following: List – I (Authors) A. L. Basham Donald E. Smith Rudolph & Rudolph W. H. Morris Jones List – II (Books) a) India as a Secular State b) The Wonder That Was India c) Government and Politics of India d) In Pursuit of Lakshmi Choose the Correct Codes: (A) b a …
OPSC OAS Question Paper 2025 Prelims GS Paper [Fully Solved] Read More »
To identify the presence of major nutrients such as carbohydrates, proteins, and fats in food samples, specific chemical tests are used. These tests are based on characteristic colour changes when the nutrient reacts with a particular reagent. Such tests help in understanding the composition of food and are widely used in school laboratories, nutrition studies, …
Protection of electrical power systems is essential to ensure reliability, safety, and continuity of supply. As power networks become more complex and heavily loaded, the need for fast, selective, and accurate fault detection becomes critical. Protective relays are the core components of modern protection schemes. They continuously monitor system parameters and initiate isolation of faulty …
1 Select the correct meaning of the idiom underlined below: The singer was not in voice. (A) Lost voice (B) To sing well (C) Had a cough (D) Sang well Answer: (A) Lost voice Explanation: “Not in voice” means the singer is unable to sing properly, often due to hoarseness or vocal strain—essentially, they’ve lost …
Download Question Paper 1. Fill in the blank with an appropriate participle. Weather _____ there will be a garden party at Government House tomorrow. (A) allowing (B) permitting (C) happening (D) favourable Answer: (B) permitting Explanation: The sentence requires a participle that fits grammatically and makes sense in context. “Weather permitting” is a common idiomatic …
Download Question Paper 1. An illness that is likely to be fatal is (A) Mortal (B) Serious (C) Slight (D) Temporary Answer: (A) Mortal Explanation: The word fatal refers to something that is likely to cause death. The term mortal similarly means deadly or capable of causing death, making it the most appropriate choice. 2. …
Download Question Paper Download Answer Key 01. In the Marshallian equation of the Cash Balance Approach, M = KPY, the letter ‘K’ stands for (1) Supply of money (2) Velocity of circulation of money (3) Fraction of real income which people desire to hold in money (4) Price level Answer: (3) Explanation: In the equation …
MPSC State Services Main Examination 2023- General Studies Paper 4 [Solved] Read More »