Book Knowledge

Force and Laws of Motion (MCQ) By applying a force of one Newton, one can hold a body of mass (a) 102 grams (b) 102 kg (c) 102 mg (d)…

Since its inception, Indian Railways has successfully played the role of the prime carrier of goods and passengers in the Indian subcontinent. As the principal constituent of the nation’s transport…

(1) 1959(2) 1965(3) 1976(4) 1982 Ans. (3) (l) heat is absorbed(2) heat is released(3) heat remains unchanged(4) None of these Ans. (2) (1) Xenon(2) Argon(3) Helium(4) Radon Ans. (4) (1)…

Atmospheric air contains many gaseous components as well as water vapor and miscellaneous contaminants (e.g., smoke, pollen, and gaseous pollutants not normally present in free air far from pollution sources).Dry…

● India’s very first Solar Electric Vehicle (EV) Charging Station was inaugurated at the Karnal Lake Resort.● Inauguration of this Charging Station was done by the Union Heavy Industries Minister…

Indian comic book cartoon character, Chacha Chaudhary has been declared as the official mascot for the centrally-sponsored Namammi Gange Programme on October 1, 2021. The National Mission for Clean Ganga…

● PM Narendra Modi on November 5, 2021 inaugurated the reconstructed Shri Adi Shankaracharya Samadhi (final resting place) at the premises of the Kedarnath Temple in Rudraprayag district of Uttarakhand…

Economic development implies the process of securing levels of productivity in all sectors of the economy and this, in turn, is a function of the level of technology. Economic development…

Development is a process and the process is multi-dimensional. The major indicators to measure the levels of development are: Net National Product (NNP):• Net national product is defined as the…

The density ρ of a fluid is its mass per unit volume. The densities of air and water at standard conditions of 20°C and 101.325 kPa (sea level atmospheric pressure)…