Students and Teachers Forum
The force that attracts a body towards the centre of the earth is called .....
The atomic mass is approximately the total number of protons and neutrons it contains. The atomic mass is never smaller than the atomic number. It can be the same, but is usually bigger. The mass of an atom of a chemical element expressed in .....
The political situation of Nepal has never been stable. Nepal has witnessed political instability whether it was the period of unification, Rana's rule, Panchayati system or the democratic system. Nepal's neighbours and major international .....
You know that sustainable development is the development that meets the needs of the present. While meeting the needs of the present it does not compromise the ability of future generations to meet their own needs. Sustainable development .....
Ants and Bess can be a great source of inspiration if we observe them closely. Actually, Ants stand for hardwork, regularity, and persistence. Whereas, Bees stand for, collectiveness, brightness, collective approach and personal power. And, these .....
The force acting perpendicularly on per unit area of the surface is called pressure. The SI unit of pressure is Newton per square metre (N/m2) or Pascal .....
Pistil is the female reproductive part of a flower. The pistil, centrally located, typically consists of a swollen base, the ovary, which contains the potential seeds, or ovules; a stalk, or style, arising from the ovary; and a .....
Dhiki is a traditional Nepalese rice (millet etc.) beater used in villages. The manual wooden thresher 'Dhiki' is made of wood and works like a lever, but is instead used for .....
We know that constitution is the fundamental law of the land, based upon which other laws are formulated. Constitution of any nation clearly defines the roles, duties and responsibilities of each member of society. The Constitution is formulated .....
Definitely, Nepal is called the land of diversity. There is geographical, socio-economic and cultural diversity in Nepal. Similarly, Nepal is known as multi-ethnic, multi-cultural, multi-lingual and multi-religious country. The National census of .....
A xerophyte is a species of plant that has adaptations to survive in an environment with little liquid water, such as a desert or an ice- or snow-covered region in the Alps or the Arctic. Popular examples of xerophytes are cacti, .....
दिइएको उत्तर अध्ययन गरी आफ्नै मौलिक उत्तर लेख्नुहोस् है त .....
Solution, length of square field (l) = 8m width of path (d) = 2m Now Area of path = 4d( l+d) = 80 m2 Cost of constructing path = Rs 25 * .....
Solution, length of lawn(l) = 100m breadth(b) = 50m path(d) = 4m Now, Area of crossing path(A) = d(l+b-d) .....
We know that humans are born as social animals. During birth, humans do not have the identity as the individual is void of customs, traditions, language, and various other things that give a human its identity. Human learns about his/her culture, .....
Given, Length of park(l) = 25m Breadth of park(b) = 18m Wide of path(w) = 3m Now, Area of crossing path = w(l+b-w) = .....
Tides are very long waves that move across the seas and oceans. They are caused by the gravitational forces exerted on the earth by the .....
Algae Algae are grouped in the kingdom Plantae. The unicellular blue-green algae are kept under the kingdom .....
Some of the portble storage devices these days are : Hard Drive Disk. Floppy Disk. Tape. Compact Disc (CD) DVD and Blu-ray Discs. USB Flash Drive. Secure Digital Card (SD Card) Solid State .....
Religious tolerance may be defined as social practice in which the various communities are allowed to perform their religious practice freely and in fearless environment. It is the practice of respecting all religions equally. It may also be .....
Solution : Since, pressure is directly proportional to depth and pressure is inversely proportional to the area. So, as area incresases, threre will be less pressure. Since, there is great pressure at the bottom. Thus, dams are made thicker at the .....
The advantages of using SI system are : i. it is accepted all over the world ii. it has only one unit for each .....
In physics, spacetime is any mathematical model which fuses the three dimensions of space and the one dimension of time into a single four-dimensional manifold. Spacetime diagrams can be used to visualize .....
Four insects that have 4 stages in their life cycle are : i. butterfly ii. ladybug iii.beetle iv. .....
Skilled Human resources may be defined as human resources who are better trained and well educated. They are decision-makers, policymakers, entrepreneurs and others who can effectively and efficiently ulitise other resources for development of .....
Among the various resources for development energy is one of the most important resource as it allows the proper utilisation of other resources. Human resource can utilise financial resource effectively if they have access to energy. Some of the .....
Solution, Let, the ratio of milk and water be 8x and 5x. Now, or,8x + 5x = 52 or, 13x = 52 or,x = 4 Therefore, The quantities of milk is 32l The quantities of water is .....
solution, C.P of 10 bulbs = Rs 2500 profit = Rs 500 Now, S.P = C.P + profit = 2500 + 500 =Rs 3000 S.P of 10 bulbs = 3000 S.P of each bulb = .....
Two triangles are said to be congruent if two sides and the included angle of one triangle are equal to the two sides and the included angle of the other triangle. In the above figure, OA = OB, OC = OD and ⦟AOD = ⦟ .....
Socialisation is the process in which an individual develops the habit, attitude, values and beliefs which were adopted by various other members of the community. It is the process by an individual becomes a member of community. An .....
Two right angle will form a straight angle. This is the relation between right angle and straight .....
When a parajumper jumps from a height , at first he/she falls with acceleration due to gravity but after opening the parachute his/her velocity changes by the air resistance affecting it. When the reduce of air resistance and the weight of .....
Menstruation is bleeding from the vagina that happens about once a month, as a normal part of the menstrual cycle. It is also known as having a .....
A socialised person may be defined as an individual who has adopted all the social norms and practices. They are the individual who has adopted social and legal codes and contributes in strengthening social bonds between various groups and .....
Since, mass is the quantity of matter contained in a body. So, as quantity of matter increases,mass of a body also .....
It is defined as the mass of a particular international prototype made of platinum-iridium And kept at the International Bureau of Weights and Measures. It was originally defined as the mass of one liter (10-3 cubic meter) of pure .....
Solution, Given P and Q are two overlapping subsets of universal sets U. n0(P) = n(p) - n(PnQ) n(P) = n0(P) + n(PnQ) n0(Q) = n(Q) - n(PnQ) n(PnQ) = n(P) + n(Q) - .....
Reptiles are animal (such as a snake, lizard, turtle, or alligator) that has cold blood, that lays eggs, and that has a b ody covered with scales or hard parts. General Features All reptiles have a backbone, which .....
Solution : Let height h = radius r = x Curved surface area CSA = 308 cm2 or, 308 = 2πrh or, 308 = 2πx.x or, 308 = 2πx2 or, x2 = 308/2π or, x2 = 49 or, x2 = 72 or, x = 7 SO, the height of the cylindrical wood is 7 .....
The unit of force is called the Newton. It is represented by the symbol N.
The Newton comes from Newton's second law of motion, which states:
F = ma
where F is a force, m is mass, and a is acceleration. Using the .....
Planet having surface temperature -220 degree celsius is .....