22.11.17 Uttarakhand (UKPCS) Current Affairs

UTTARAKHAND   U’khand to be first state to have convocation attire   Uttarakhand would be the first State in the country to have traditional attire for convocation ceremonies of its universities.   If everything goes as per the plan, then from January 1, 2018, common attire for the convocation would be implemented.   It is … Read more 22.11.17 Uttarakhand (UKPCS) Current Affairs

04.10.17 Uttarakhand (UKPCS) Current Affairs

UTTARAKHAND   Now, an app for rainwater harvest queries   People interested in installing rainwater harvesting plants in their homes would soon be able to do so with a smart phone app. The Uttar Pradesh groundwater department will soon launch an Android-based mobile application which will enable people to easily install rainwater harvesting plants. The app will also … Read more 04.10.17 Uttarakhand (UKPCS) Current Affairs

Electric current

Current Electricity Electric current is the rate of flow of electric charge through a conducting medium with respect to time. It is caused by drift of free electrons through a conductor to a particular direction.Charges in motion constitute an electric current. Such currents occur naturally in many situations. Lightning is one such phenomenon in which … Read more Electric current

Electromagnetic waves, their types and characteristics

Electromagnetic Wave Electromagnetic Wave are waves composed of undulating electrical fields and magnetic fields. The different kinds of electromagnetic waves, such as light and radio waves, form the electromagnetic spectrum. All electromagnetic waves have the same speed in a vacuum, a speed expressed by the letter c (the speed of light) and equal to about … Read more Electromagnetic waves, their types and characteristics

Mechanical waves- audible, infrasonic, and ultrasonic, their main characteristics

Sound is a longitudinal wave, in which the particles oscillate to and fro in the same direction of wave propagation. Sound waves cannot be transmitted through vacuum. The transmission of sound requires at least a medium, which can be solid, liquid, or gas. Newton to derive a relation for the velocity of sound in a gaseous … Read more Mechanical waves- audible, infrasonic, and ultrasonic, their main characteristics

Universal law of gravitation, gravity, acceleration due to gravity

Newton’s law of universal gravitation states that a particle attracts every other particle in the universe using a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers. Gravitation Gravitation is the force by which every mass or particle of matter, including … Read more Universal law of gravitation, gravity, acceleration due to gravity

Measurement of physical quantities and system of Units

Measurement of any physical quantity involves comparison with a certain basic, arbitrarily chosen, internationally accepted reference standard called unit. The result of a measurement of a physical quantity is expressed by a number (or numerical measure) accompanied by a unit. A unit of measurement is a definite magnitude of a quantity, defined and adopted by … Read more Measurement of physical quantities and system of Units

Space Technology- Indian space programs.

Application of Satellites for different purposes Despite being a developing economy with its attendant problems, India has effectively developed space technology and has applied it successfully for its rapid development and today is offering a variety of space services globally. Indian Space Program: During the formative decade of 1960s, space research was conducted by India … Read more Space Technology- Indian space programs.

Conventional and Non Conventional Sources of Energy

Conventional and Non Conventional Sources of Energy Main Sources of Energy: The sources of energy are of following types: Conventional Sources of Energy: These sources of energy are also called non renewable sources. These sources of energy are in limited quantity except hydro-electric power. (a) Coal and Lignite: Coal is the major source of energy. Coal … Read more Conventional and Non Conventional Sources of Energy