Thepotential energy of the object depends on the height of the object with respect to some reference points, the mass of the object and the... View Article
The pendulum is important to measure the effects of gravity. Galileo observed that the reason a pendulum moves back towards the resting position... View Article
Yes, wave-particle duality is a theory. According to wave-particle theory, light has the property of both wave and particle. There are various... View Article
Commutators are used in DC machines like DC generators and DC motors. In a DC generator, the commutators act as a mechanical rectifier that... View Article
The ability of an object to transmit heat, electricity or sound is called conductivity. What are examples of conductivity? An example of... View Article
How do you find distance in algebra? In Euclidean geometry, distance formula is used to find the distance between the two points in an XY plane.... View Article
1, 2, 3, 4, . . . . , 29, 30. First term = a = 1 Common difference = d = 1 Total number of terms = n = 30 We know, Sum = n/2 (first term +... View Article
Which of the following laws is applicable for the behaviour of a perfect gas? (a) Boyle's law (b) Gay Lussac’s law (c) Charles' law (d) All... View Article
Which of the following elements have the largest atomic radius? (a) Li (b) Cl (c) Na (d) None of above Solution: Option (c) is correct. Na... View Article
AlCl3 acts as a catalyst in the reaction of Friedel Crafts. Reason: AlCl3 acts as a Lewis acid and coordinates with the halogens generating an... View Article
What is not true for an equipotential surface for a uniform electric field? (a) Equipotential surface is flat (b) Work done is zero (c)... View Article
Element Astatine. The rarest naturally occurring element in the universe. Discovered in 1940. Atomic Number: 85 Symbol: At Family: Halogens... View Article
Which of the following has the highest molar conductivity? (a) [Co(NH3)5Cl]Cl2 (b) [Co(NH3)6]Cl3 (c) [Co(NH3)3Cl3] (d) [Co(NH3)4Cl2]Cl2... View Article
Chemisorption takes place with the help of covalent bonding. Chemisorption has irreversible nature and it also favours high pressure. Also... View Article
The group 18 chemical elements on the periodic table are also known as noble gases. Group 18 elements have high ionization energy due to extra... View Article
As per Gibbs Energy in Reactions, Change in free energy = Change in enthalpy - Product of temperature and change in entropy OR ΔG = ΔH - TΔS... View Article
Does CO2 have a double bond? The answer is “Yes”. Double bond occurs when 2 pairs of electrons are shared between the atoms to attain a full... View Article