NCERT Articles - Page 4

Relation Between Molarity And Molality

Relation Between Molarity And Molality

The relation between molarity and molality is expressed by m=1000M / 1000ρ−MM1 where ρ is the density of solution (mg/mL) and M1 is the molecular weight of the solute.

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Archana S

Mar 4, 2024

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.

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Archana S

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.

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Megha Sharma

Mar 4, 2024

Ray Optics Class 12 Notes

Ray Optics Class 12 Notes

The Ray Optics Class 12 chapter 9 notes can be referred for revision by students preparing for their Class 12 Physics examination.

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Pallavi Pradeep Purbey

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.

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Archana S

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.

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Archana S

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.

Archana S Image

Archana S

Mar 4, 2024

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