August 2016

English Comprehensive Passage – 1

30, Aug | Comprehensive Passage English

This article was asked in NDA (National Defence Academy)  Examination sometime back. The following questions have been based on the passage …

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Reflection at Plane Surface

30, Aug | Optics Physics

When light strikes a polished and smooth surface, then it returns back, this phenomenon is called reflection of light. In …

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Binary Addition & Subtraction Rules

30, Aug | Mathematics Number System

(A) Binary Addition There are four rules for binary addition which are given below: (i) 0 + 0 = 0 …

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Physical and Chemical Changes

30, Aug | Chemistry Physical and Chemical Changes

1. Physical Changes:- A physical change is a change in which the composition of a substance is not affected, i.e. …

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Conversion between Octal to Decimal Number and Vice-Versa

30, Aug | Mathematics Number System

Decimal Numbers: Possible Values are 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 Octal Numbers: Possible Values …

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Conversion between Number Systems - NDA

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Number System

10, Aug | Mathematics Number System

Decimal Number System: In the decimal system we use 10 digits which are 0, 1, 2, 3, 4, 5, 6, …

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