Students and Teachers Forum
Nepal became the member of UNO on 14th. Dec. 1955 AD. Nepal became a member of various agencies which operates under the leadership of UNO. Nepal is a member country of FAO, ILO, UNICEF, UNDP, UNESCO, WHO and many other international organizations .....
When an object is falling towards the surface of the earth only under the influence of gravity without external resistance, the fall of the object is free fall.
The importance of Gravitational force is:
a. Existence of atmosphere on the surface of the earth.
b. Flowing of .....
As we know: F= .....
volume can be defined as 3 - dimensional space enclosed by a boundary or occupied by an .....
According to the Newton’s law of Gravitation,
F = Gm1
Let M be the mass and R be the radius of the earth and m be the mass of the body kept at the surface of the earth
According to the Newton’s law of gravitation the force of attraction between them is given .....
A coin and feather when dropped in vacuum falls simultaneously due to free fall as there is no external resistance in .....
Newton’s gravitational constant (G) is the gravitational existence between two bodies of unit masses placed at a unit distance from their centers.
The numerical value of gravitational constant (G) is 6.67*10-11 and its unit is .....
All the bodies in the universe attract one another by some force known as gravitation or force of gravitation.
Two main factors that affect the force of gravitation are as follows:
बसाइ, पढाइ, हँसाइ आदि .....
The number of blueberries is equal to number of cups multiplied by 4 minus one left.
That is :
B = 9(C - 2) (1)
Then the .....
a complement = U - A = {1,2,....10 } - { 1,3,5,7} = .....
Solution : Initial Polulation in 2071 , P = 1,80,000 Population in 2073 , PT = 2,39,580 Time T = 3 years Rate R = ? We know, PT = P (1+R/100)T or, 2,39,580 = 1,80,000 (1+R/100)3 or, 239580/180000 = (1+R/100)3 or, 1.331 = (1+R/100)3 or, .....
Many scientific studies shows that the egg must have come .....
The motion of the hands of your watch is UNIFORM .....
Occupation may be defined as taking the responsibilities for livilihood and finishing it on time. Occupation is important as: It maintains social order and law in society. It keeps the mutual harmony and keeps the society intact. It .....
The Stone Age marks a period of prehistory in which humans used primitive stone tools. The age lasted for roughly 2.5 million years and ended around 5,000 years ago when humans in the Near East began working with metal and making tools and weapons .....
The Stone Age marked the period in which humans used primitive stone tools. The age lasted for roughly 2.5 million years and ended around 5,000 years ago when humans in the Near East began working with metal and making tools and weapons from .....
Solution : Profit P = Selling Price SP - Cost Price CP Loss L = Cost Price CP - Selling Price SP VAT % = ( VAT amount / Selling Price ) x 100 .....
मेरो गाउँघर देवेन्द्रप्रसाद उप्रेती मेरो गाउँ स्वच्छ र हराभरा देख्छु मनको .....
Plants take carbondioxide during respiration and gives out carbondioxide through stomata. To prove the necessity of carbon dioxide in photosynthesis following steps need to do
Insert a part of the leaf of a destarched plant into a conical .....
An obtuse angle is the angle which measures between 90 degree and 180 .....
Natural death is not possible for amoeba as amoeba is a unicellular organism and it reproduce asexually i.e. by binary fission. The parental body is distributed among the daughter cell hence amoeba .....
Phloem tissues are called Complex tissues as they are made up of more than one kind of cells having common origin and work together as a unit and help in conduction. Phloem components are : ➡Sieve tube elements ➡ Companion cells ➡Phloem .....
Solution : Mass m =100 Kg Acceleration a = 0 m/s2 (A body travelling with uniform velocity has 0 acceleration) Then, Normal force F = m * a = 100 * 0 = 0 .....
The rate of change of velocity is called acceleration. Mathematically, Acceleration (a) = final velocity (v) - initial velocity (u) .....
Solution : f(x) = 3x + 5 or, y = 3x + 5 If, y = 8, then 8= 3x + 5, x = 1 so, domain is 1 for range = .....
SI unit is the extended form of heat. So, SI unit of heat is .....
The skeletal system gives shape and support to our .....
Solution, CP of 24 bananas = Rs 160 loss = 10 % of 160 = Rs 16 Now, SP = CP - loss = 160 - 16 = Rs 144 SP of 1 banana = 144 / 24 .....
Human society went through a series of development starting from stone age which developed into today's age of science and technology. Early humans used muscular power to perform their task now they have advanced machines to complete their task .....
Usain St Leo Bolt is a Jamaican former sprinter. He is a world record holder in the 100 metres, 200 metres and 4 × 100 metres relay. He is widely considered to be the greatest sprinter of all .....
Solution : 5 + 1/5 [{20 * (25 - 10) }] / 5 ] = 5 + 1/5[{20 * 15 }] / 5 = 5 + 1/5 * [300 / 5] = 5 + 1/5 * 60 = 5 + 12 = .....
1 m ( 1 metre ) is the measure of length. 1 metre = 100 .....
A table in which elements are grouped and classified into various blocks, groups and periods on the basis of their similarities and dissimilarities is called periodic .....
Thallophytes are a polyphyletic group of non-mobile organisms that are grouped together on the basis of similarity of characteristics. They were formerly categorized as a sub-kingdom of kingdom Plantae. These include lichens, algae, fungus, .....
The sun gives the earth lots of thing like air, food, sight etc. Because of this we have earth the sun has the biggest impact on earth and .....
- A drone is a male bee whereas a worker bee is a female bee. - A drone's primary role is to mate with a fertile queen and a worker bee's primary role is to clean, nurse and defend the group. - .....
Solution : P = 30000 R = 10% T = 2 years Simple interest SI = ( P * T * R ) / 100 = (30000 *2*10)/100 = .....