Explain the nature of the image formed in a periscope.
The image formed in a periscope is virtual without lateral inversion because 2 lateral inversions cancel each other. What is... View Article
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From where does the magnetic lines of force originate?
Magnetic lines of force always originate from the North Pole and end at the South Pole. Magnetic lines of force... View Article
Give one function which is not performed by the humus.
Humus has no role in destroying or killing the harmful bacteria present in the soil. Role and function of humus... View Article
Who gave the statement of law of multiple proportions?
John Dalton gave the law of multiple proportions. This is the law under stoichiometry and is also known as Dalton’s... View Article
Who gave the statement of law of definite proportions?
John Dalton gave the law of definite proportions. The law of definite proportion The law of definite proportions was first... View Article
At which place will the weight of an object be highest?
Earth is not a perfect sphere. Its radius at the equator is greater than the poles. Acceleration due to gravity... View Article
For what conversion is electric motor used as a device?
An electric motor is an electrical machine that corrects electrical energy into mechanical energy. Electric motor An electric motor (or electrical motor) is an... View Article
Explain the nature of the image formed by plane mirror.
Image formed by a plane mirror is always virtual and erect. Some of the characteristics of images formed by plane... View Article
What is the use of Freundlich adsorption isotherm plot?
Freundlich adsorption isotherm is an empirical relationship between the quantity of gas adsorbed into a solid surface and the gas pressure. Adsorption... View Article
Lithium shows diagonal relationship with which element?
Lithium shows diagonal relationship with Magnesium. Due to its small size lithium differs from other alkali metals but resembles magnesium,... View Article
What is the differential equation for dy/dx = xe^(y-2x)?
dy/dx = xe^(y-2x) , i am asked to form differential equation using this equation . the ans given is (e^-y)... View Article
Give an example of a plant hormone that promotes growth.
Auxin is an example of a plant hormone that promotes the growth of the plant. Auxin Auxins promote stem elongation,... View Article
Which metals are purified using the method distillation?
Distillation is used for purifying low boiling metals like Zinc and Mercury Distillation This method is used for the purification... View Article
What is the electronic configuration of the inert gases?
Except for He, all inert gases have an electronic configuration of ns2np6. Inert gas or noble gas The elements in... View Article
Which catalyst is used in Fischer-Speier esterification?
Sulphuric acid is the catalyst used in Fischer-Speier esterification. Fischer Esterification Fischer Esterification is an organic reaction that is employed... View Article
Between which planet’s orbits can we find the asteroids?
Mars and Jupiter Asteroids Asteroids are rocky worlds revolving around the sun that are too small to be called planets.... View Article
What is the one important variety of tree in coniferous forests?
Pine is the one important variety of tree in coniferous forests. Pine is the one important variety of tree in... View Article
In the equation Rate = ZAB.e-Ea/RT, what does ZAB mean?
Based on collision theory, the rate of a chemical reaction can be given as ZAB.e-Ea/RT. ZAB represents the collision frequency... View Article
What are the two forms of oxygen found in the atmosphere?
The two forms of oxygen found in the atmosphere are: Molecular oxygen(O2) Ozone(O3) Molecular oxygen Molecular oxygen (O2 ) is... View Article
Give an example of a reaction which represents reduction.
The reduction can be considered as the removal of oxygen, the addition of hydrogen, or the gain of electrons. Example... View Article
