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An electric dipole of length 2 cm, when placed with its axis making an angle of 60 with a uniform electric field, experiences a torque of 8 sqrt 3nm. Calculate the potential energy of the dipole, if it has a charge of ± 4nc.

Torque, P E sin Where, Q is the charge E is the electric field l is the length of the dipole Potential energy, U =... View Article

The Dimensions Ml-1T-2 May Be Of(A) Force. (B) Pressure. (C) Linear Momentum. (D) Energy Per Unit Volume.

The correct answer is (D) Both B and C. Explore more such questions and answers at BYJU’S.... View Article

Iodine Oxidises Sodium Borohydride To Give_____(A) I3.(B) Hi. (C) B2H6.(D) Sodium Hydride.

The correct answer is (C) B2H6. Iodine oxidises sodium borohydride to give diborane The chemical equation is: Explore more such questions... View Article

Explain How A Square Is A Rectangle

A square is a rectangle because its opposite sides are parallel, equal and each angle are equal to 90°. Explore more such questions and... View Article

In ABC, If BC=AB And ∠B=80°, Then ∠A Is Equal To :

Given: (opposite angles to equal side are equal) Let the angles be x. According to the angle sum property Therefore,... View Article

Thermodynamics Equilibrium Involves(A) Chemical Equilibrium. (B) Thermal Equilibrium. (C) Mechanical Equilibrium. (D) All The Above Simultaneously.

The correct answer is (D) All The Above Simultaneously. Explore more such questions and answers at BYJU’S.... View Article

In G.P 3rd Term Is 24 And 6th Term Is 192 Then Find 10th Term

Given: 3rd term =24 6th term = 192 10th term =? n = 3 ---[1] n = 6 ---[2] Now by dividing [2] by [1], we get: From... View Article

A Piece Of Solid Weighs 120 G In Air, 80 G In Water And 60 Kg In A Liquid. The Relative Density Of The Solid And That Of The Liquid Are Respectively:

Given: Weight of a solid in air = 120g Weight of a solid in water = 80g Weight of a solid in liquid = 60kg Relative density of solid =... View Article

Give The Structural Formula For The Methanoic Acid

Methanoic acid is also known as formic acid. It is a colourless, fuming liquid with a pungent, acrid odour with the chemical formula HCOOH. The... View Article

Why Are Medicines More Effective In The Colloidal States?

Medicines are more effective in the colloidal states because colloids have a larger surface area. Hence, they get easily assimilated, absorbed... View Article

E And F Are Respectively The Mid-point Of Equal Sides Ab And Ac Of △Abc. Show That Bf=Ce

E and F are midpoints of equal sides AB and AC of triangle ABC. In triangle ABF and triangle ACE AB = AC (Common angle) AF = AE (Halves of... View Article

What Modification Can You Suggest In The Hardy-Schulze Law?

The greater the polarising power of the flocculating ion added, the greater is its power to cause precipitation. This modification is in teams of... View Article

Private International Law Is Also Called (A)Civil Law. (B)Local Law. (C) Common-Law (D) Conflict Laws

The correct answer is (D) Conflict Laws Explore more such questions and answers at BYJU’S.... View Article

The Wavelength Of The Radiation Emitted, When In A Hydrogen Atom Electron Falls From Infinity To The Stationary State, Would Be: Rydbergconstant$=1.097×107M−1$ (A) 91nm (B) 406 nm (C) 192nm (D) 9.1×10−8nm

The correct answer is (A) 91 nm. Here R = 1.097 * Therefore, Explore more such questions and answers at BYJU’S.... View Article

Refining Of Silver Is Done By _________.(A) Poling. (B)Cupellation. (C) Liquidation. (D)Van Artikel Method.

The correct answer is (B)Cupellation. Cupellation is the process used in separate noble metals such as gold and silver from the base metals like... View Article

The Slope Of The Line Touching Both The Parabolas Y2 = 4X And X2 = -32 Is

tangent to the parabola tangent to the parabola By substituting both the equations [1] and [2], we get: Therefore,... View Article

The Activation Energy For The Reaction 2Hi (G)→H2 I2(G) Is 209.5 209.5Mol −1 At 581 K. Calculate The Fraction Of Molecules Of Reactants Having Energy Equal To Or Greater Than The Activation Energy.

Sol: The Arrenhius Equation is given by, Here in this equation, Ea is the activation energy and the term, is the fraction of molecules of... View Article

Which force is responsible for holding the solar system together?

Answer: The gravitational force of the sun in the solar system is responsible for holding the solar system together. The solar system is... View Article

Find the correct statement from the given. (A) (+) Tartaric acid and Neso tartaric acid are tautomers. (B) (+) Tartaric Acid And (−) Tartaric acid are Enantiomers. (C) (+) Tartaric Acid And (−) Tartaric Acid are Diastereoisomers. (D) (+) Tartaric Acid And Meso Tartaric AcidaAre Diastereoisomers.

The correct answer is (D) (+)Tartaric Acid And Meso Tartaric Acid Are Diastereoisomers. Explore more such questions and answers at BYJU’S.... View Article

The Pallava King Who Destroyed Vatapi And Assumed The Title Of Vatapikonda Was(A)Nandivarma. (B)Aparijitavarma.(C)Mahendravarman I.(D)Narasimhavarman I.

The correct answer is (D)Narasimhavarman I. Narasimhavarman I was a king of the Pallava dynasty who ruled South India from 630 to 668 AD.... View Article

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