General
Physical chemistry
Q#1: Which branch of chemistry deals with the study of energy changes?(A) Organic chemistry(B) Inorganic chemistry(C) Physical chemistry(D) Analytical chemistryAnswer: (C) Physical chemistry Q#2: Which law states that energy can neither be created nor destroyed?(A) First law of thermodynamics(B) Second law of thermodynamics(C) Third law of thermodynamics(D) Zeroth law of thermodynamicsAnswer: (A) First law of … Read more
Radio Astronomy — MCQs
50 Score: 0 Attempted: 0/50 Subscribe 1. Radio astronomy studies which type of electromagnetic waves? (A) Visible light (B) Radio waves (C) Infrared waves (D) X-rays 2. Who is regarded as the father of radio astronomy? (A) Isaac Newton (B) Karl Jansky (C) Galileo Galilei (D) Edwin Hubble 3. The first detection of cosmic radio … Read more
Gamma-ray Astronomy — MCQs
50 Score: 0 Attempted: 0/50 Subscribe 1. Gamma-ray astronomy deals with which type of radiation? (A) X-rays (B) Gamma rays (C) Ultraviolet (D) Infrared 2. The wavelength of gamma rays is typically: (A) 0.1–10 nm (B) Less than 0.01 nm (C) 10–100 nm (D) 1–10 mm 3. The energy of gamma rays is measured in: … Read more
Standard Template Library (STL) – MCQs
30 Score: 0 Attempted: 0/30 Subscribe 1. : What does STL in C++ stand for? (A) Standard Transfer Library (B) Standard Template Library (C) Structured Type Library (D) System Template Library 2. : Which of the following is not a type of STL container? (A) Sequence (B) Associative (C) Adapter (D) Stream 3. : What … Read more
Operator Overloading – MCQs
30 Score: 0 Attempted: 0/30 Subscribe 1. : What is operator overloading in C++? (A) Assigning a new meaning to an existing operator (B) Creating a new operator (C) Changing the syntax of C++ (D) Modifying built-in data types 2. : Which keyword is used to overload an operator in C++? (A) overload (B) operator … Read more
Static Members in Classes – MCQs
30 Score: 0 Attempted: 0/30 Subscribe 1. : What is a static data member in a class? (A) A variable shared among all objects of the class (B) A variable that cannot be modified (C) A local variable (D) A constant variable 2. : Which keyword is used to declare a static member in a … Read more
Friend Functions and Friend Classes – MCQs
30 Score: 0 Attempted: 0/30 Subscribe 1. : What is a friend function in C++? (A) A function that can access private and protected members of a class (B) A private function inside a class (C) A function that is always inline (D) A member function of a class 2. : Which keyword is used … Read more
Constructors and Destructors – MCQs
30 Score: 0 Attempted: 0/30 Subscribe 1. : What is a constructor in C++? (A) A function to destroy objects (B) A special function to initialize objects (C) A function that runs the program (D) A function that frees memory 2. : What is the name of a constructor in a class? (A) init() (B) … Read more
test3
Score: 0 Attempted: 0/5 1. . ___________ The smallest particle of an element that retains its chemical properties is called: (A) Molecule (B) Atom (C) Ion (D) Proton 2. . ___________ Which of the following is an example of a chemical change? (A) Melting of ice (B) Rusting of iron (C) Breaking of glass (D) … Read more