Dimensional Formula of the Permittivity of Vacuum
The dimensional formula of permittivity of vacuum is [M-1L-3T4A2]. Dimensional analysis is the practice of checking relations between physical quantities... View Article
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What is the SI Unit of Magnetic Field Induction?
The SI unit of magnetic induction is Tesla.
What is Relation Between Pole Strength And Magnetic Moment?
Pole strength of a magnet is defined as the strength with which the materials get attracted towards the magnet. It... View Article
What is SNOW rule? Explain the purpose of SNOW rule.
SNOW rules state that if the current is flowing in an electric circuit from the South to North direction and the... View Article
A particle starts from the point (0m,8m) and moves with a uniform velocity of 3i m/s. After 5 seconds, the angular velocity of the particle about the origin will be
Given, Time, t = 5 s uniform velocity = 3 m/s Find out We have to determine the angular velocity of... View Article
Calculate the maximum percentage error in the measurement of time for a pendulum. The time taken by the pendulum to complete 20 oscillations is 25 seconds. Also, the least count of the stopwatch is ⅕ second.
Given, Least count of a stopwatch, Δt = ⅕ = 0.2 s Time taken to complete 20 oscillations, T =... View Article
When a ball is thrown vertically upward from the ground, it crosses a point which is at a height of 25m twice in an interval of 4 seconds. At what velocity was the ball thrown?
Given As per the given details The time interval between the object to the same point = 4 s At... View Article
Why pressure is a scalar quantity?
The pressure is defined as the ratio of force to area. We know that force is a vector quantity but... View Article
What is the derivation of lens formula for convex lens
The relationship between the distance of an image (v), the distance of an object (u), and the focal length (f)... View Article
Which is more elastic glass or steel?
Steel is more elastic than rubber. This is explained with the help of Young’s modulus. Young’s modulus Young’s modulus defines... View Article
What is the physical importance of the moment of inertia?
Inertia is defined as a property of matter by which it remains at the state of rest or in uniform... View Article
What is the unit of magnification?
Magnification has no unit. The reason is that it is a ratio of the measurement. It is the ratio of... View Article
Infrared radiations are also known as heat waves. Why? Also, name the radiation that are next to infrared radiation with (a) Shorter wavelength (b) Longer wavelength
Infrared radiation (IR), sometimes known as infrared light, is electromagnetic radiation (EMR) with wavelengths longer than visible light. These waves have... View Article
Prove that 1HP = 746 Watts
Horsepower and Watts are the two different units of power. Power can be either electric or mechanical and can be... View Article
17 March 2020: The Hindu Analysis
UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 17th March 2020. Important news and... View Article
17 Mar 2020: UPSC Exam Comprehensive News Analysis
17 March 2020 CNA:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related POLITY AND... View Article
16 March 2020: PIB Summary & Analysis
March 16th, 2020 PIB:- Download PDF Here TABLE OF CONTENTS 1. UDAN Scheme 2. Wholesale Price Index (WPI) 3. World... View Article
16 March 2020: The Hindu Analysis
UPSC Current Affairs Preparation: The Hindu Analysis Watch expert analysis of ‘The Hindu’ dated 16th March 2020. Important news and... View Article
16 Mar 2020: UPSC Exam Comprehensive News Analysis
March 16, 2020 CNA:- Download PDF Here TABLE OF CONTENTS A. GS 1 Related B. GS 2 Related INTERNATIONAL RELATIONS... View Article
15 March 2020: PIB Summary & Analysis
March 15th, 2020 PIB:- Download PDF Here 1. PM interacts with SAARC leaders to combat COVID-19 in the region Context:... View Article
