A force is defined as a:
Force is defined as the push or pulls experienced by an object. According to Newton’s second law of motion, force... View Article
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Define the term element.
An element is a pure substance that cannot be broken down by any physical or chemical means into simpler substances.... View Article
Why circle is a 2D shape
Circle has a 2D shape because they exist only in a XY plane. Circle doesn’t have corners but has one... View Article
Give examples of a base.
Ammonium hydroxide, Potassium hydroxide, Calcium hydroxide are examples of the base. Basic substances react in aqueous solutions by accepting protons,... View Article
Why is PV work negative ?
The negative sign in the PV work indicates that the system has lost energy. As the volume increases at constant... View Article
Is AgCl is soluble in NaCN
Yes, AgCl is soluble in NaCN. This is possible as there is a formation of coordination complex sodium argento cyanide... View Article
Give an example of a weed.
Amaranthus Explanation The undesirable plants that grow along with the crops are called weeds. These weeds feed on the nutrients... View Article
What do you mean by B.E.C.?
BEC stands for Bose-Einstein Condensate which is defined as the state of matter of a dilute gas of bosons that... View Article
How is a black hole formed?
Black hole formation takes place when massive stars die. The intense gravitational force of these stars do not allow anything... View Article
SI unit of power of lens is
Dioptre is the SI unit for measuring the power of a lens. Definition The power of the lens is known... View Article
What is tap water pH level?
The pH of tap water is typically 7.5. Explanation pH is defined as the negative logarithm of H+ ion concentration.... View Article
How can one classify ethers?
Ethers can be classified as simple and unsymmetrical.
Butan-2-ol is an example of :
Butan-2-ol is an example of a secondary alcohol. It is derived from a hydride f a butane. A hydroxy group... View Article
What happens during Anaphase?
This follows the contraction of the spindle fibres that occurs during anaphase.
What is the mass of a proton?
Proton has a mass of 1 amu, which is equivalent to1.6 × 10–24g.
The charge on the electron is-
We have seen the Millikan oil drop experiment in the video. The conclusion of the experiment was: The charge on... View Article
What do you mean by free fall?
The gravity of the earth attracts every object towards its centre. When an object is dropped from a certain height,... View Article
Draw a rough figure and label suitably in each of the following cases: (a) Point P lies on line segment AB (b) XY and PQ Intersect at M. (c) Line l Contains E and F but not D. (d) OP and OQ meet at O.
Solution: (a) AB is the line segment and point P lies on it. (b) XY and PQ are two lines and... View Article
What do we mean by protoplast?
Protoplast is defined as the plasmalemma which is present in every cellulosic cell wall of the plant cell. Protoplasts are... View Article
What happens during Telophase?
This is the last phase in karyokinesis. Following this, the nuclear membrane and nucleolus reappear and the chromosomes become thinner... View Article
