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Can 7/2 Be The Probability Of An Event? Explain

No. 7/2 cannot be the probability of an event. This is because the probability of any event always lies between 0 and 1. Explore more such... View Article

Prove That A Motor Car Moving Over A Convex Bridge Is Lighter Than The Same Car Resting On The Same Bridge.

The moving of the motor car over a convex bridge AB is the motion along the segment of a circle AB. The centripetal force is provided by the... View Article

2 Moles Of Pcl5 Were Heated In A Closed Vessel Of 2 Litre Capacity. At Equilibrium, 40% Of PCl5 Is Dissociated Into PCl3 And Cl2. What Is The Value Of Equilibrium Constant?

As given in the question, the chemical equation is With The degree of dissociation, α = 40 % = 0.4. At equilibrium, the molar... View Article

What Can Be Achieved Or Can Be Prevented? Proper Checking Of Blood Before Blood Donation?

Proper checking of blood before blood donation is required to check that the blood to be transferred is safe in all respects. Following... View Article

The Probability Of Which Event Will Be Zero.

The probability of an impossible event will always be zero. Explore more such questions and answers at BYJU’S.... View Article

When Two Lines Are Parallel, The Distance Between Them Is _____(A) Not Equal. (B) Increases. (C) Always Equal. (D) None Of These.

The correct answer is (C) Always Equal. When two lines are parallel, the distance between them will always be equal. Explore more such... View Article

Thirteen Resistances Each Of Resistance R Omega Are Connected In The Circuit. What Will Be The Effective Resistance Between A And B?

The potential difference across the central resistor is zero due to symmetry of the circuit. The resistor is the equivalent resistor of the... View Article

Insert Two Irrational Numbers Between 5 And 6.

As we know, Therefore, the two irrational numbers between Explore more such questions and answers at BYJU’S.... View Article

A Particle Starts From Rest And Moves With Uniform Acceleration If It Covers A Displacement Of Y2 – X2 In The First 10 Sec And Y2 + X2 In The Next First 10 Sec, Then Y =?

Sol: From the second equation of motion, From the above equation [1] and [2], we get: Explore more such questions and answers at BYJU’S.... View Article

Classify Following Oxides As Neutral, Acidic, Basic Or Amphoteric: CO, B2O3, SiO2, CO2, Al2O3, PbO2, Tl2O3.

The neutral oxide is CO. The acidic oxides are B2O3, SiO2 and CO2. The basic oxide is Tl2O3. The amphoteric oxides are Al2O3 and PbO2.... View Article

If The Angles Of The Triangle ABC Are In A.P Then a2 + c2 – ac =______.

Angles are in A.P Angle A = a - d Angle B = a Angle C = a + d Angle A + Angle B + Angle C = 180° = a - d + a + a + d = 180° = 3a = 180° =... View Article

If The Sum Of The Roots Of The Quadratic Equation Ax2 + Bx + C = 0 Is Equal To The Sum Of The Squared Of Their Reciprocals Then A/C, B/A, C/B Are In:

The sum of roots are The product of the roots are αβ = Substituting α + β = , we get: By Cross multiplying = By Rearranging the... View Article

Find The Principal And General Solutions Of The Following Equations: Cosec X = -2

Given: Cosec x = -2 we know that sin 30 = But we need the negative value of sin x, sin is negative in the III & IV quadrant. Value in... View Article

The Wheel Of A Motorcycle Is Of Radius 35 Cm. The Number Of Revolutions Per Minute Must The Wheel Make So As To Keep A Speed Of 66 Km/H Is

Given: The radius of a wheel, r = 35 cm = 0.35 m. The speed it must keep, s = 66 km/h = The number of revolutions, n it makes per minute to... View Article

Name Any Three Trees Found In Monsoon Deciduous Forests And State One Use Of Each Of These Trees.

Palas, Teak and Sal are the three trees found in monsoon deciduous forests. Uses: Palas: The leaves of these trees are used for rearing shellac... View Article

HCl Is Secreted By Which Of The Following Cells Of The Stomach? (A) Chief Cells.(B) Peptic Cells.(C) Goblet Cells.(D) Parietal Cell (Oxyntic Cells)

The correct answer is (D) Parietal Cell (Oxyntic Cells). Parietal Cells are large and are most numerous on the sidewalls of the gastric glands.... View Article

Using The Standard Electrode Potentials Given In Table 3.1, Predict If The Reaction Between The Following Is Feasible.

Given reactions are: (1)Fe3+ (aq) and I-(aq) (2) Ag+(aq) and Cu(s) (3) Fe3+ (aq) and Br-(aq) (4)Ag(s) and Fe2+(aq) (5) Br2(aq) and Fe2+(aq)... View Article

Choose The Correct Adjective From The Options Given. This Book Is Very_____.(A) Informs.(B) Informed.(C) Informing.(D)Informative.

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

A Mixture Of Feo And Fe3O4 When Heated In Air To A Constant Weight Gains 55 In Its Mass. Find The Composition Of The Initial Mixture.

Let the per cent of FeO in the mixture be = x So, the per cent of Fe3O4 in the mixture = (100 − x) On heating, FeO is converted into... View Article

Choose The Correct Answers From The Alternatives Given: Litmus Is A Natural Dye Obtained From (A) Fling.(B) Virus. (C) Lichens. (D) Actinomycetes.

The correct answer is (C) Lichens. Litmus is a natural dye, which is extracted from lichens. This dye is used as a pH indicator. Explore more... View Article

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