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Which Of The Following Is An Economic Activity (A)To Teach Son At Home (B) To Play Football By A Student(C)To Serve Her Child By Mother (D)Teaching Of A Teacher In The School

The correct answer is (D)Teaching Of A Teacher In The School. Economic activities are concerned with money or wealth Economic activities can... View Article

What Is Geminal Dihalide

An organic compound containing two halide groups attached to the same carbon atom is called Geminal dihalide. The common name of Gem-dihalides is... View Article

Y Log X Is A Solution Of (A) xy2 = y1 (B) xy2 + y = 0 (C) xy1 + y2 = 0 (D) xy2 + y1 = 0

The correct answer is (D) y = logx Therefore, y=logx is a solution of Explore more such questions and answers at BYJU’S.... View Article

Shareholder wealth in a firm is represented by___________. A.) the number of people employed in the firm B) the book value of the firm’s assets less the book value of its liabilities C) the amount of salary paid to its employees D) the market price per share of the firms common stock

The correct answer is (D) The Market Price Per Share Of The Firm Common Stock. Explore more such questions and answers at BYJU’S.... View Article

Bernoulli’s Principle Is Based On The Law Of Conservation Of (A)Mass (B)Energy (C)Momentum (D)All Of These

The correct answer is (B)Energy. Bernoulli's principle is based on the principle of conservation of energy. Explore more such questions and... View Article

What Is Soil Formation Called

The process of soil formation is called Pedogenesis. Pedogenesis is influenced by organisms present in the soil, climatic conditions, weathering... View Article

For An Ideal Fluid, Viscosity Is (A)Unity (B)Zero(C)Infinity (D)Finite But Small

The correct answer is (B) Zero. Ideal fluid has zero viscosity. This is because an ideal fluid has no resistance to shear stress between its... View Article

Which Of The Following Is Not A Storage Medium (A) DVD (B)Scanner (C)Flash Drive (D)Hard Disk

The correct answer is (B)Scanner. The scanner is a device that optically scans images and other documents. It is not a storage medium. Explore... View Article

The Most Important Reason For The Decrease In Biodiversity Is (A) Over-exploitation (B) Habitat Pollution (C) Habitat Destruction (D)Introduction Of Exotic Species

The correct answer is (C) Habitat Destruction. The most important reason for the decrease in Biodiversity is habitat destruction. Habitat... View Article

Which one of the following is not correctly matched (A)Freedom of speech and expression – Include freedom of press (B) Right to Equality – Include principles of natural justice (C) Freedom of conscience – Include right to wear and carry kirpans by Sikhs (D) Right to Personal liberty – Include right to carry on any trade or business.

The correct answer is (D) Right To Life And Personal Liberty - Includes Right To Carry On Any Trade And Profession. Explore more such questions... View Article

An Electric Motor Creates A Tension Of 4500 N In A Hoisting Cable And Reels It At A Rate Of 2 M/S. Calculate The Power Of The Motor.

Sol: Power = Force * Velocity Therefore, the power of the motor is 9 kw. Explore more such questions and answers at BYJU’S.... View Article

For the reaction 2N2 O 5 →4NO 2 +O 2 , If the initial concentration Of N2 O 5 Is 7.2Mol −1 And After 20 Minutes, [No 2 ] becomes 2.4 Mol −1, then what will be the rate of decomposition of N2 5 in Mol −1 Min −1?

Given reaction is The concentration of After 20 min concentration of From the first-order reaction- Where: k is the rate constant... View Article

Photoelectric emission is observed from a metallic surface for frequencies v1 and v2 of the incident light rays (v1>v2) . If the maximum values of kinetic energy of the photo-electrons emitted in the two cases are in ratio of 1:k, then the threshold frequency of the metallic surface is:

Maximum Kinetic Energy- By dividing [1] by [2], we get Therefore, the threshold frequency of the metallic surface is... View Article

Name The Green Pigment Present In Leaves

Chlorophyll Chlorophyll is a pigment present in all green plants and is mainly responsible for the green colouration in plants. The chlorophyll... View Article

What Is The Official Language Of Nagaland

The official language of Nagaland is English. Nagaland is a state in northeastern India. In 1967, the Nagaland Assembly proclaimed Indian... View Article

Bakelite Is A______ (A) Resin In Alcohol (B)Phenol-acetaldehyde Resin (C)Phenol-formaldehyde Resin (D) Phenol-propionaldehyde Resin

The correct answer is (C) Phenol-formaldehyde Resin Bakelite was the first plastic made from synthetic components and is obtained by the... View Article

Distinguish Between The Average Speed And The Average Velocity

The differences between the average speed and the average velocity Average Speed Average Velocity It is a scalar quantity... View Article

What Do You Mean By Oxidation And Reduction

Oxidation can be defined as the loss of electrons from an atom, molecule or ion. In this reaction, there is a release of electrons and an... View Article

Draw An Ogive For The Following Data Which Gives The Marks And Number Of Student Marks 0-10,10-20,20-303,0-40,40-50. Students6,21,16,32,10

Given: Marks 0-10 10-20 20-30 30-40 40-50 Students 6 21 16 32 10 Sol: Marks Midpoint (UL + LL / 2) Students Cumulative frequency... View Article

When N2 Is Converted Into Nh3 The Equivalent Weight Of Nitrogen Will Be

The equivalent weight of an element is its gram atomic weight divided by its valence. Oxidation number of N in = 0 Oxidation number of N in... View Article

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