UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 28th Jun 2021. Important news and views to boost... View Article
Economy is an important part of the UPSC prelims and mains exams; this series titled ‘Economy This Week’ has been initiated to address the need... View Article
The iDEX stands for Innovation for Defence Excellence. It is an initiative by the Government of India to modernize the nation's Defense industry.... View Article
The National Mission on Biodiversity and Human Well-Being is an ambitious government mission that strives to bring to the limelight the issues of... View Article
For first part of penetration, by equation of motion, (u/2)2 = u2 - 2a(3) 3u2 = 24a u2 = 8a ------- (1) For latter part of penetration, 0 =... View Article
Examples of Scalar Quantities There are plenty of scalar quantity examples, some of the common examples are: 1. Mass 2. Speed 3. Distance 4. Time... View Article
Our Sun is an average-sized star: there are smaller stars and larger stars, even up to 100 times larger. The Sun is composed almost entirely of... View Article
The resistance is directly proportional to the length of the conductor and inversely proportional to the area of cross-section. Hence, the... View Article
Given Lengths of two trains = 120 m and 80m The trains are running in opposite directions with velocities 42km hr and 30km hr respectively.... View Article
The gravitational constant is the proportionality constant that is used in the Newton’s Law of Gravitation. The force of attraction between... View Article
A rainbow is regarded as one of the most spectacular light shows observed on the earth. Rainbow is a multicoloured arc made due to the striking... View Article
The correct answer is an option (a) 44.1m Consider total height of the tower = h Total time to reach the ground = t The height is given as,... View Article
The focal length of a lens depends upon the refractive index of the material of the lens and the radii of curvatures of the two surfaces.... View Article
Bifocals have both a concave and convex surface that are part of their refractive design. The image below shows a bifocal design. When the... View Article
Parsec and light year are not the units of time. They are practical units which are used to measure large distances. So, they are the units of... View Article
Given, A works twice as fast as B Thus, the ratio of work done by A and B will be 2:1 Hence, ratio of time taken will be 1:2 Now, B can... View Article
