Now,  Height of wire = 288cm Thickness of wire = diameter of wire Volume of wire = π r2 h And, Volume of ball = Volume of wire  Find the value of 'r' Then 'd' Give it a .....

हामीले खेल खेल्ने क्रममा विभिन्न घटनाहरु घट्न सक्छन्। त्यसको लागि हामी सबैले विभिन्न .....

 लक्ष्मीपुजा नेपालिहरुको महान्  चाड हो ।  यो दिन लक्ष्मीको पुजा गर्नाले लक्ष्मी प्रसन्न .....

 म = सर्वनाम   मा = विभक्ती चिन्ह   अब  भन्नुहोस् तपाईँलाई  कस्तो प्रकार चाहिएको हो ? .....

L.H.S = (cosecϴ + 1) (1 - sinϴ)  This can be written as, cosecϴ - cosecϴ sinϴ +1 - sinϴ Change the cosec into sin form and compute You will get (1/ sinϴ) - sinϴ Take l.c.m of denominator, It will be, (1 - sin2ϴ) / sinϴ cos2ϴ / .....

Have you seen a thermometer? It has got readings. The readings are in degree celcius (oC) and degree Fahernheit (oF). These are the scales of measurement of temperature. And other one is Kelvin .....

Chemical bond formed by the electrostatic attraction between two oppositely charged ions is called an electrovalent bond.  Ions are formed due to complete transfer of electron(s) from an electropositive atom to an .....

When metal is repeatedly bend at a perticular site, it suffers a phenomenon known as metal fatigue. A metal or wire suffering metal fatigue break down because it loses it'selasticity. which result in microscopic cracks in the metal and it brek .....

Observation

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1947: Rana Prime Minister Padma Shamsher forms Constitution Reform Committee .....

Plants do not move from one place to another. However, you may have learnt that every living organisms can move. Can you tell me how plants .....

The accurate value of earth's gravity is 9.81 but while students perform experiment and they got the values  like 9.75, 9.74, 9.77. 9.76 and so on.. This kind of measurement is known as precise measurement. It may be due to instrumental .....

उसले लुगा सिलाउने कल किनेर आय आर्जन गरिन् । कमलाले दिनभर पढिछे । म आमाभन्दा अगाडि नै घर पुगे .....

Simple cell are also known as wet cell. Wet cells have a fluid, and the fluid is free to move whereas, in dry .....

The symbol of gold is Au. Au represent an element of gold. Gold is a monoatomic element. Gold can exist freely. An atom of gold does not combine with its another atom to form an element of gold. An atom of gold represents its .....

Do you know who drafted the constitution of Nepal 2072? Yes, it was constitution assembly. Constitution assembly is the representative of the citizens of the country. Its major function is to draft the constitution of the country which is .....

Diamond has the very high refractive index. i.e .....

Panchayat was the political system of Nepal from 2017 B.S. to 2046 B.S. Under the direct leadership of the king, the government implemented some of the major projects that were initiated .....

You may know some of the common social customs that are practiced around Nepal like paicho, sapati, loan etc. When a family in a village don't have let's say rice, they go to the next door and ask for a kg or two kilos of rice for few days .....

4.Holi is celebrated on the occasion of the death of the demon, Holika. 5.It is also celebrated to release all the taboos and restrictions made on the human beings on all other days of the .....

Do you see any mango trees in Kathmandu, you don't see becasue they cannot get suitable environment for growing. And if you try to grow apple in Janakpur it is just the waste of time, isn't it? Because apple is grown in hilly .....

There could be many reasons. Such as:   1) The relative temperature between your hand and the object. If they are near the same temperature it will be hard to judge or say your hand is really cold the object may feel warmer than it would .....

Solution:    4x.2x+1-2x / (2(2x-1).2(x+2) - 2x ) = 22x.2x.21-2x / (22x.2-1.2x.22-2x ) = 2x (22x.21-1) / {2x (22x.2-1+2-1)} = (22x.21-1) / (22x.21-1) = 1 .....

निम्न कार्य गरेमा वातावरण संरक्षण हुन्छ :- -रुख ,विरुवा रोप्ने - वन फडानी रोक्ने - वनमा हुने .....

Here, mass of bullet (m) = 120gm = 12 kg velocity (v) = 140 m/s Energy given by bulle (E) = 1/2 mv2..........=.............J Now, if this energy is less than 1350 J, bullet can not crack stone and if more, it can. Again put  v = 140 m/s .....

Dou you live in Kathmandu or outside of it? Wherever you are you know that Kathmandu is the capital city of the federal democratic republic of Nepal. It is the largest metropolis in Nepal. Kathmandu Valley includes three districts Kathmandu, .....

The image is of wheat. We obtain wheat from plants. Wheat is a seed. We eat wheat as a food. Wheat is small and it is very hard. Such a seed is called .....

When carbon dioxide is mixed with calcium hydroxide, it gives calcium carbonate (limestone ) with water. CO2 + Ca(OH)2 → CaCO3 + H2O.                          .....

Mass (m) = 20 tons = 20 ⨯ 1000 kg  height (h) = 12 m time taken (t) = 1 min = 60 secs Energy (E) =? We have,  E = mgh    = 20000 ⨉ 10 ⨉ 12    = 2400000 J Here, amount of energy equals to the .....

Do you know the unit of energy or workdone ? Its  S.I unit is Joule and C.G.S unit is calorie. And 1 calorie = 4.2 .....

Chemistry is the study of physical matter, which may be classified in many different ways, such as state of .....

You know the fact that Nepal is 2nd richest country in the world. And, in contrast, we have a great problem of load shedding. How ironical the situation looks, right? Load shedding is an abrupt disconnetion of power due to low production of .....

You may know have threads in clothes. We use threads to make .....

It is H2O. You can see it is formed by two parts of hydrogen and one part of oxygen. And compound are those molecules which are formed by the combination of two or more than two atom. So, water is called .....

A rectangular box have 6 faces. So, the total area of 6 faces will be the total surface area Now, in rectangular box,  Length , Breadth and Height is given Two faces of box are connected with Length an Breadth Two faces of box are connected .....

To solve this question, you have to make free x. Here, to remove 3, we gave to subtract 3 in all sides, ie, 2-3<3-x-3<10-3 or,-1<-x<7  Now dividing all sides by -1,  we get, 1>x>-7,  if you divide by -ve, .....

Slope (m) = (y2 - y1) / (x2 - x1) Slope of AB = Slope of BC (q - 0) / (0 - p) = (1 - q) / (1 - 0) Solve the above equation, you will get p + q = pq Therefore, the points are .....

At the time of two equinoxes, the equator of the earth receives the direct sun light. It falls roughly on March 21 and September 21 each year. The sun is directly overhead at the equator at the spring and fall equinoxes. So the equator receives .....

Many times we read that Nepalese girls or women were rescued from India and other countries. These innocent girls and women were lured to go to foreign land with the promise of better life and income. But many times they end up in brothels. Once .....

You know that our society is not untouched from the addiction. We can see many teengers have ruined their lives being addicted of something. Being addicted they destroy their dignity life, engage in different crime and harm the society and the .....

You know, a boy in my locality ruined his life being addicted of drug. He was from the far-western development region. His parents had sent him to Kathmandu for his higher study. But unfortunately he made the relation with a group of youngsters .....

A baby lion is called a .....

The mean radius of the sun is 432,450 miles (696,000 kilometers). Which makes its diameter about 864,938 miles (1.392 million km). You could line up 109 Earths across the face of .....

It is called a desert. Desert is where only xerophytic plants can .....

It is very easy, Firstly, Multiply (a - 1) with 5a And then multiply with +2 i.e. 5a (a - 1) + 2 (a - 1) 5a2 - 5a + 2a - 2 Now, try to finish .....

Some of your friends tease you at school, don't they? Some others call you by naming differently. don't they? Definitely teasing, spitting, name calling, making sexual coments are some examples of bullying at school. Bullying has become a .....

Examples of second class levers include doors, staplers, wheelbarrows, can .....

Accuracy refers to the closeness of a measured value to a standard or known value. For example, if in lab you obtain a weight measurement of 3.2 kg for a given substance, but the actual or known weight is 10 kg, then your measurement is not .....

Liquid pressure is the pressure exerted by the liquid. We can calculate it by P = hdg  here, h = height of the water = 10 m d= density of the liquid = 1000 kg/m3 g= 10 m/s2 Now substitute this values in above equation and calculate .....

We know that, /a/=a and  /-a/=a So, /-2/=2  and /4/=4 Now simplify and get 6 .....