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How Do Your Family Members Go To Office From Home?

There are different means of transport. My father goes to the office by driving his car. My mother goes to the office by metro rail My uncle... View Article

Which Of The Following Is Not Associated With The UNO ? (A) WHO. (B) ASEAN. (C) ILO. (D)All Of The Above.

The correct answer is (B) ASEAN. UNO is a United Nations Organization ILO- International Labour Organization and WHO: World Health Organization... View Article

Draw The Electron Dot Structure Of Ammonium Ion[N=7, H=1].

Ammonia donates its lone pair to proton-forming ammonium ions. The ammonium ion is formed when the Ammonia atom donates its lone pair to the... View Article

An air capacitor of capacity c=10μf is connected to a constant voltage battery of 12 volts. now the space between the plates is filled with a liquid of dielectric constant 5. The (additional) charge that flows now from the battery to the capacitor is (a) 480μc. (b) 120μc.(c) 240μc. (d) 600μc

The correct answer is (A) 480μc. Initial charge qi = CV = 10 (12) = 120μC. After being filled with dielectric liquid, the charge q′ = C′V =... View Article

Who Is Known As Man Of Blood And Iron? (A) Bismarck. (B) Napoleon. (C) Ho Chi Minh. (D) Sir Walter Scott.

The correct answer is (A) Bismarck. Man Of Blood And Iron is the name given Otto von Bismarck. Explore more such questions and answers at... View Article

What Is The Significance Of Ampullary Isthmic Junction In The Female Reproductive Tract?

In the ampullary-isthmic junction, fertilization of the ovum takes place. For fertilization to occur, the ovum and sperms should be transported... View Article

Colloidal solution of gold prepared by different methods are of different colours due to _______. (A) Variable Valency Of Gold. (B) Different Size Of Gold Particles. (C) Different Concentrations Of Gold Particles. (D) Presence Of Impurities Produced By Different Methods

The correct answer is (B) Different Size Of Gold Particles. Colloidal solutions of gold prepared by different methods are of different colours... View Article

An Ideal Gas Is Expanding Such That PT2 = Constant.What Is The Coefficient Of Volume Expansion Of The Gas?

PT^{2} [/latex] = constant \frac{nRT}{V} T^{2} [/latex]= constant or T^{3}V^{-1} [/latex]= constant By Differentiating the equation, we get:... View Article

Ionic Solids Are Characterized By (A) Low Melting Points. (B) High Vapour Pressure. (C) Solubility In Polar Solvents. (D)Good Conductivity In Solid-state.

The correct answer is (C) Solubility In Polar Solvents. Explore more such questions and answers at BYJU’S.... View Article

A class has 175 students. the following table shows the number of students studying one or more of the following subjects in this class. find how many students are enrolled in mathematics alone, physics alone and chemistry alone? are there students who have not been offered any of these three subjects?

Sol: Given Subject Number of students Mathematics 100 Physics 70 Chemistry 46 Mathematics and Physics 30 Mathematics and Chemistry... View Article

A coil of inductance 300mH and resistance 2Ω is connected to a source of voltage 2v. The current reaches half of its steady state value in____seconds.(A) 0.1.(B) 0.3 .(C) 0.05.(D)0.105 .

Answer: (A) 0.1 seconds The inductance of an inductor is the tendency of the electrical conductor to resist any change in the current flowing... View Article

A rod of length l is pivoted at one end and is rotated with a uniform angular velocity in a horizontal plane. let T1and T2 be the tensions at the points l/4 and 3l/4 away from the pivoted ends. then:(A) T1 = T2.(B) T1 > T2.(C) T2 > T1.(D) None Of These.

The correct answer is (B) T1 > T2. Given: L/4 and 3L/4 away from the pivoted ends. (i) At L/4 from the pivot end: Tension, = centrifugal... View Article

What Is The Unit Vector In The Perpendicular To The Following Vectors:2i + 2j − k and 6 i−3j +2 k.

Given: Unit vector perpendicular to both Explore more such questions and answers at BYJU’S.... View Article

BeO Is Amphoteric Oxide Of Group (True Or False).

The given statement is true. Beryllium oxide (BeO) is an amphoteric oxide of group II. Explore more such questions and answers at BYJU’S.... View Article

In a transistor the base is very lightly doped as compared to the emitter because by doing so (a) Base current is high. (b) Recombination is decreased in the base region.(c) The flow across the base region is mainly because of holes.(d) The flow across the base region is mainly because of electrons.

The correct answer is (B) Recombination Is Decreased In The Base Region. Explore more such questions and answers at BYJU’S.... View Article

What Are Oligosaccharides?

Oligosaccharides are compounds that are composed of 2–10 monosaccharide residues. Carbohydrates formed by the condensation of 2-9 monomers... View Article

The Correct Order Of Increasing Bond Length Of C-H, C-O, C-C And C=C Is (A) C – O < C - H < C - C < C = C.(B) C - C < C = C < C - O < C - H.(C) C - H < C = C < C - O < C - C.(D) C - H < C = O < C - C < C = C.

The correct answer is (D) C - H < C = C < C - O < C - C. The correct order of increasing bond length of C-H, C-O, C-C And C=C is C - H... View Article

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