NCERT Articles - Page 4

Critical Angle Formula

Critical Angle Formula

Critical Angle Formula denoted by θcric=sin-1 nr/ni is defined as the angle of incidence which provides a 90-degree angle of refraction.

Mar 4, 2024

Sin Cos Tan Table

Sin Cos Tan Table

The trigonometric functions sin, cos, and tan are the main functions we consider while solving any trigonometric questions. This article discusses the sin cos tan table and ways to derive values from it.

Mar 4, 2024

Volume Of Hemisphere

Volume Of Hemisphere

The volume of hemisphere is half the volume of a sphere and is expressed as, Volume of hemisphere = 2πr3/3, where r is the radius of the hemisphere and π is a constant of value equal to 3.14 approximately.

Mar 4, 2024

Nitric Acid Formula

Nitric Acid Formula

Nitric Acid Formula is given by HNO3 where it's one molecule contains 3 oxygen atoms, 1 nitrogen atom, and 1 hydrogen atom.

Mar 4, 2024

 Cos2X Formula

Cos2X Formula

Cos2X Formula is one of the essential trigonometric identities used to determine the value of the cosine trigonometric function for double angles.

Mar 4, 2024

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