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Sansad TV Perspective: Energy Conservation

In the series Sansad TV Perspective, we bring you an analysis of the discussion featured on the insightful programme ‘Perspective’ on Sansad TV,... View Article

14 Dec 2021: The Hindu Analysis

UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 14 Dec 2021. Important news and views to boost... View Article

AIR Spotlight – The Quest for a Linguistic Identity and the Birth of a Nation

AIR Spotlight is an insightful program featured daily on the All India Radio Newsonair. In this program, many eminent panellists discuss issues... View Article

International Relations This Week – Solomon Islands & Other Issues

International relations is a very important segment of the UPSC syllabus. In this series, we present an analysis of the most important... View Article

13 Dec 2021: PIB Summary & Analysis

TABLE OF CONTENTS 1. PM Khanij Kshetra Kalyan Yojana (PMKKKY) 2. LokpalOnline 3. Decarbonising hydrogen production 4. National Helpline Against... View Article

What is the LCM of 6 and 7?

The Least Common Multiple (LCM) is a way of finding the smallest common multiple between any two numbers or more. A common multiple is a multiple... View Article

A cyclotron is opened at an oscillator frequency of 12 MHz and has a dee radius R = 50 cm. What is the magnitude of the magnetic field needed for a proton to be accelerated in the cyclotron?

A cyclotron is a machine that accelerates charged particles or ions to high energies. Both electric and magnetic fields are used in the... View Article

A circular current loop of magnetic moment M is in an arbitrary orientation in an external magnetic field B . The work done to rotate the loop by 30 about an axis perpendicular to its plane is_____

A circular current loop of magnetic moment M is in an arbitrary orientation in an external magnetic field B. The work done to rotate the loop by... View Article

The value of [cos⁴A – sin⁴A] is equal to

The value of [cos4A−sin4A] is equal to cos4A−sin4A can be expressed as From the trigonometric identity we know... View Article

Consider a uniform electric field in the z-direction. The potential is a constant (a) for any x for a given z (b) for any y for a given z (c) on the x-y plane for a given z (d) All of these

The correct answer is (d) all of these The surface which is the locus of all points which are at the same potential is known as the... View Article

The capacitance of a spherical condenser is 1μF. If the spacing between the two spheres is 1 mm, then the radius of the outer sphere is (a) 30cm (b) 6m (c) 5cm (d) 3m

Given that According to the given details, we get to know that C=1μF=10−6F R2−R1=1mm=10-3m Find out We have to determine... View Article

Two points P and Q are maintained at potentials of of 10V and −4V respectively. The work done in moving 100 electrons from P to Q is equal to

Potential difference V is the work done in moving a unit charge∴ Work done in moving a charge Q through potential difference V =... View Article

2 to the power of 10 is _________

The power of a number indicates the number of times it must be multiplied. It is written in the form ab. Where ‘b’ indicates the... View Article

Explain the evolutionary theory of origin of state

The evoutionary theory of origin of state can be explained by few factors. The theory that explains the convincing origin of the state, is... View Article

A bullet of mass 0.04 kg moving with a speed of 90m/s enters a heavy wooden block and is stopped after a distance of 60 cm . What is the average force exerted by the block on the bullet?

Given that As per the given data we get to know that m=0.04kg u=90m/s v=0m/s S=60cm Find out We have to determine the average... View Article

If two waves, each of intensity I having the same frequency but differing by a constant phase angle of 60 superpose at a certain point in space , then the intesity of resultant wave is:

A large amount of energy is carried by a wave of large amplitude and a low amplitude wave carries less energy. The intensity of the wave is... View Article

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