1) (¾, 11/12] 2) [0, 1/2] 3) (11/12, 11] 4) (½. ¾] Solution: Option (2) [0, 1/2] Let p be... View Article
1) 17/35 2) 13/35 3) 11/35 4) 10/35 Solution: Option (3) 11/35 The probability of choosing a correct answer is... View Article
1) 1/4 2) 1/16 3) 1/8 4) 1/32 Solution: Option (4) 1/32 Given that, Mean = np = 4 Variance... View Article
X 1 2 3 4 5 P(X=x) k 2k 3k 2k k Its variance is 1) 16/3 2) 4/3 3)... View Article
1) 265/215 2) 137/214 3) 137/216 4) 265/216 Solution: Option (3) 137/216 Let “n” represent the number of trials and... View Article
1) 9/10 2) (1/10)5 3) (9/10)5 4) (1/2)5 Solution: Option (3) (9/10)5 Total number of bulbs = 100 Assume that... View Article
Glucose is a carbohydrate, specifically a monosaccharide. Glucose is composed of atoms of carbon, hydrogen and oxygen; glucose is organic.... View Article
The pressure caused by the evaporation of liquids is vapour pressure. Surface area, intermolecular forces and temperature are three common... View Article
S block elements are light metals, have low melting and boiling points, have the highest atomic radii in their times... View Article
Molarity is dependent on temperature, whereas molality is not. With temperature, molarity varies. Molarity is solute moles per litre of... View Article
Catalyst, any material in chemistry that increases the rate of a reaction without being absorbed by itself. Enzymes are catalysts... View Article
When treatment of formaldehyde with conc. NaOH solution, methanol and sodium formate are formed. An organic compound contains 69.77% carbon,... View Article
Supercooling helps an aqueous solution, without ice forming, to achieve temperatures below the potential freezing point. To initiate ice crystal... View Article
Photoelectric effect, the phenomenon of which, as electromagnetic radiation is absorbed, electrically charged particles are emitted from or inside a... View Article
Cotton is composed of pure cellulose, a filament that occurs naturally. A starch is cellulose, and the molecule is a... View Article
Radiation is radiation travelling from one spot to another. Examples of radiation are light, vibration, heat and X-rays. A few... View Article
Molarity is a parameter which is dependent on temperature. With a rise in temperature diye, the volume of a solution... View Article
Conduction is the mechanism by which heat energy is transferred from adjacent atoms or molecules by collisions. The heat of... View Article
The Doppler effect, or Doppler shift, describes the frequency variations of some kind of sound or light wave that a... View Article
An object’s entropy is a measure of the amount of energy that is inaccessible to do work. Entropy is also... View Article