UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 12th January 2021. Important news and views to... View Article
The Economic and Political Weekly (EPW) is an important source of study material for IAS, especially for the current affairs segment. In this... View Article
12 Jan 2021 CNA:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related POLITY 1. ₹1,364 crore given to wrong beneficiaries of... View Article
January 11th, 2021, PIB:- Download PDF Here TABLE OF CONTENTS 1. Prime Minister’s National Relief Fund (PMNRF) 2. Single Window Clearance... View Article
The phenomenon that cannot be observed in sound waves is polarization. The sound waves are longitudinal waves therefore it cannot be polarised.... View Article
Silicon has a bad thermal conductivity. Silicon transfers heat at a very low rate compared to other materials. Silicon has a high resistance to... View Article
The electric field is constant between the two oppositely charged plates of the capacitor except near the edges of the plates. The electric field... View Article
The basic characteristics of a transfer are listed below The input and output power has the same frequency All transformers work on the... View Article
The enormous amount of force exerted by two colliding objects on each other is impulsive force. The impulsive force acts for a very short... View Article
According to the second law of thermodynamics, the entropy of an isolated system is always increasing or constant. Entropy is a positive quantity.... View Article
The gravitational force on the surface of the earth is 9.8m/s2. The gravitational strength decreases as we move farther away from the surface of... View Article
Circular motion is the motion of the objects along the circumference of the circle. The velocity vector of the object moving in the circular path... View Article
The energy in the Sun is not because of fission. It is generated in the Sun by nuclear fusion reaction of hydrogen nuclei into helium. The fusion... View Article
Neutrons are neutral subatomic particles and have no net electric charge. The neutron has no net charge because the quarks that make up a neutron... View Article
According to Newton’s law of universal gravitation, gravity is a force of attraction between any two objects in the universe. It is directly... View Article
Doppler effect is the apparent change in the frequency of light. Doppler effect is used in estimating the speed of distant stars, planets and... View Article
The change in momentum is called impulse. Impulse is given by the product of force and time. If the impulse is high then the change in momentum... View Article
Photoelectric effect could not be explained by classical mechanics because of the following factors In the photoelectric effect, electrons... View Article
Heat can be transmitted either by conduction, convection and radiation. Radiation does not require any medium to transfer energy. One important... View Article