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سبتمبر 2022

Most important questions of Biomolecules cbse class 12th chemistry

Q1. Write down the structure of- • D- Glucose • D- fructose • D- ribose • D- Galactose Q2. Write down the cyclic structure of- • α-D-Glucose • α-D-F…

Why non ideal solution show positive and negative deviations?

Ideal Solution  Those solution which obey Rault's law in its entire range of concentration and for such solution observed value of pressure will…

Most important questions of Solution chapter chemistry class 12th

Q1. Differentiate between molarity and molality of a solution. Q2. Define the following terms: • Mole fraction • Normality  Q3. State Henry’s law …

Derive an expression for the Electric field due to Axis of Circular Loop

Let a circular loop of radius 'a' and having charge 'q' in which the length of circular loop is '2𝜋𝑎'.   Electric fiel…

Derivation of formula of electric potential due to a point charge

The charge qo remove the way from infinity to P in doing so distance between q and qo decreases due to which electrostatic force between them i…

Purely resistive, capacitive and conductive circuit class 12th

1. Purely Resistive Circuit   In purely resistive circuit the current and applied voltage source are remain in same phase.   2. Purely Inductive Cir…

Magnetic field due to straight current carrying wire class 12 Physics

Where r is equal to perpendicular distance from wire.  Phi1 = clockwise angle Phi1 = anti clock wise angle

Derivation of force on a wire carrying current kept in magnetic field

Let a wire of length l and place in magnetic field B . A current carrying i is blowing in the wire.  Fire is placed perpendicular to magnetic fiel…

Moving coil galvanometer current sensitivity and voltage sensitivity class 12th physics

Moving Coil Galvanometer   Galvanometer:   Galvanometer is a device which is used to detect the current or to measure small amount of current. Worki…

Derivation of relationship of current with drift velocity

Drift Velocity  The average velocity of all electron taken together is called drift velocity.  On applying external field the charges will accumulate…

Important question answers of haloalkanes and haloarenes class 12th

Q1. Write structures of the following compounds: (i) 2-Chloro-3-methylpentane (ii) 1-Chloro-4-ethylcyclohexane (iii) 4-methyl-3-iodoheptane (iv) 1,4-…
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