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Ajanta Caves & Ellora Caves

Ajanta caves and Ellora caves are among the earliest Buddhist architectures. The Ajanta – Ellora caves have evolved during the... View Article

Gist of EPW June Week 1, 2021

The Economic and Political Weekly (EPW) is an important source of study material for IAS, especially for the current affairs segment.... View Article

Research Design & Standards Organisation – RDSO

Research Design & Standards Organisation – RDSO has become the nation’s first institution to be declared as Standard Developing Organization... View Article

11 June 2021: UPSC Exam Comprehensive News Analysis

CNA 11th June 2021:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related POLITY AND... View Article

Define cubit, handspan, armlength and footspan

The length from the elbow to the fingertip is known as cubit. The distance between the thumb and the little... View Article

What is the value of x if one Coulomb is equal to x emu?

If one Coulomb is equal to x emu, then x is 10-1

Which lens is used for presbyopia? Give reasons

Presbyopia is a special case of hypermetropia. It is corrected by using a bifocal lens. The upper portion of the... View Article

What type of energy is derived from heated groundwater?

Geothermal energy is a type of energy that is derived from heated groundwater.

Calculate the dimensional formula for Rydberg’s constant.

The dimensions of Rydberg’s constant is [M0L-1T0]. The aboce dimensions are obtained from the relation: \(\begin{array}{l}frac{1}{lambda }=R(frac{1}{n_{1}^{2}}-frac{1}{n_{2}^{2}})\end{array} \) Where n1... View Article

A hollow metal sphere of radius 5 cm is charged such that the potential on its surface is 10V. The potential at the centre of the sphere is?

Given: Hollow metal sphere = Spherical shell Electric field inside the shell = 0 The potential is constant inside thin... View Article

What is amber in Physics?

In Physics, amber is a petrified tree resin. According to Greeks, when an amber is rubbed against a rod along... View Article

A train starts from rest and moves with a constant acceleration of 2.0 m/s² for half a minute. The brakes are then applied and the train comes to rest in one minute. Find (a) the total distance moved by train, (b) the maximum speed attained by the train and (c) the position(s) of the train at half the maximum speed. Concept of Physics – 1 , HC VERMA , Chapter “Rest and Motion : Kinematics

Train starts from rest, hence the initial velocity u = 0. It moves with acceleration = 2m/s2 for half minute... View Article

Five advantages and disadvantages of water transport

The following are the advantages of water transport: The maintenance cost is less. It is comparitively less expensive that the... View Article

Match the following : (i) Land breeze blows during (a) summer (ii) Sea breeze blows during (b) winter (iii) Dark coloured clothes are preferred during (c) day (iv) Light coloured clothes are preferred during (d) night

The answer is: i. The land breeze blows during (d) night ii. The sea breeze blows during (c) day iii.... View Article

A bird sitting on a high power electric line is still safe. How? briefly

Birds don’t get shocked when they sit on the electrical wires because they are not a good conductors of electricity.... View Article

Define electric current. Give its SI unit and formula .

Electric current is defined the flow of electric charge in a conductor. The SI unit of electric current is Ampere.... View Article

A particle is moving in a circular path of radius r, its displacement after half a circle would be a) 2r b) πr c) d) 2πr e) 0

Answer: a) 2r The movement of a body following a circular path is called a circular motion. The total distance... View Article

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