We have,   W = mgh  = 80 x 10 x 6 = 4800 J Thus, the 4800 J of work is .....

Nepal is an agricultural nation. Most of the people are dependent on agriculture for their livelihood. The two skilled manpower needes for the development are: Junior Technical Assistance(JTA). Skilled farmer who are aware of the .....

 There is atmosphere (layer of air) above us. The conditions of this atmosphere is different in different places at any time such as sunny, windy, rainfall etc. This atmospheric condition is called as the .....

Let d be the diameter of circle. According to question, d + C = 145cm or, d + π d = 145cm or, d( 1 + π ) = 145cm or, d( 1 + 22/7) = 145cm or, d ( 29/7) = 145cm or, d = 145cm x 7 / 29 = 35cm Hence, Circumference = π d .....

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Panchaseel is a Sanskrit word. It is a set of principles governing the relationship between the nations. It is a set of codes for mutual respect and peaceful coexistence and guiding principles of Nepal's foreign policy. The five sets of the .....

Earthquake are usually caused when rocks underground suddenly breaks along a fault. This sudden release of energy causes the seimic waves that make the ground .....

Switch off the fan. Are you well now? The teacher said that water flows downward. Someone has stolen her wallet. I didn't have a swim yesterday. Meera told Muna if she liked lemon in her tea. I've not taken my meal .....

Roman Civilization: The Roman Civilization started in Italy, south of Europe. The Roman civilization developed some 200 years ago in the ninth century. It is believed that Etruscans, a tribe from Asia Minor had settled down in the western part of .....

During chemical reaction in a cell, hydrogen gas is produced and it accumulates on the surface of the copper plate in the form of small bubbles. They prevent the hydrogen ions from reaching the copper plate and thus the current given by the cell .....

Solution: Here, ( 5 ,4) is mid-point of  line joining the points (x , y)  and ( 7 ,3). Using mid-point formula, ( 5 ,4) = ( ( x + 7)/2, ( y + 3)/2) Comparing the correcponding components, 5 = ( x + 7)/2   and  .....

Let the original numbers be  a, a+d, and a+2d  From the 1st condition,  Sum is 45. i.e; 3a + 3d = 45 or a+d = 15 ----> d = 15-a  after the subtraction, the three numbers are:  a - 17, a+d - 11, and a+2d - 3 they .....

We have, √(x + 12) = 11 Now, squaring both sides,  [√(x + 12)]2 = 112 or, x + 12 = 121 Therefore, x =  121 - 12 = .....

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Solution: If L be the length  and  B be the breadth of rectangular room( rectangle), Then,  Prrimeter = 2 ( L + B .....

एक सुन्दर फूलवारीमा फूलहरुझै नेपालमा विभिन्न जातजातिका मानिसहरु आपसमा मिलेर बसेका हुनाले .....

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Radium was discovered by Marie and Pierre Curie in 1898. Marie Curie Pierre .....

Here, x3 - 1 / x  = x3 - x. 1/x2 = x ( x2 - 1 / x2)      , Using formula, a2 - b2 = (a + b) ( a - b), = x( x + 1/ x) ( x - 1 / x)            .....

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कुनै वस्तुलाई पानीमा राख्दा २ प्रकारको बलहरु उत्पन्न हुन्छ । ती हुन्: १. वस्तुको तौलाले .....

After serving as a naval aviator from 1949 to 1952, Armstrong joined the National Advisory Committee for Aeronautics (NACA) in 1955. His first assignment was with the NACA Lewis Research Center (now NASA Glenn) in Cleveland. Over the next 17 years, .....

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प्यारासुट पृथ्विमा खस्दा हावाको अवरोध अर्थात उच्चचाप लाग्दछ र विस्तारै एक समान गतिले खस्दछ .....

Environment is what is around us.  It can be living or non-living things.] For example; Trees, river, mountain etc and Living things live in their .....

Iron is a more reactive metal. i.e. it has more tendency to form compounds by reacting easily with other elements  Iron reacts with oxygen to form rust. Hence, iron cannot be found in the free state in .....

Lanthanides have the ability to show a maximum oxidation state of +4  Actinides show oxidation states of +3, +4, +5, +6 and +7. Lanthanides do not form complexes easily. Actinides have a greater tendency to form .....

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We know, MA = L / E = 800 / E VR = R / r = 8 / 2 = 4 η = (MA / VR ) x 100 or, 80 / 100 = (800 / E) / 4 On solving these, we get, E = 250 N Thus, 250 N effort is needed to balance the .....

Here, 1 hp is written in an electric motor. It means that 746-watt is the power of an electric motor which performs 746 Joules of work per second. This is because 1W is the power of the object which performs 1 Joule of work in 1 .....

In this figure, armature (coil) is rotated around the magnet. But in power stations magnets are rotated instead of .....

Here, Area of floor = Total cost of plastering / rate of cost                      = Rs. 26400 / Rs. 240/m2                     = .....

The differences between mercury thermometer and digital thermometer are:-   Mercury Thermometer Digital Thermometer 1. It contains mercury. 1. It contains thermistor. 2. It works on principle that liquid expands .....

Day and night occur due to the effect of rotation. When the earth rotates from west to east on its own axis, only one portion of the earth faces the rays from the sun and experiences day. While the other portion of the earth which is away .....

Can you write it in your own way? Do .....

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The sodium meta-aluminate is then treated with water and dil. hydrochloric acid, it is hydrolyzed and formed aluminium hydroxide. i.e. NaAlO2 + HCl + H2O --------------> Al(OH)3 + NaCl The aluminium hydroxide is filtered and made .....

Here,  P = Rs.6000 Pt = Rs.5415 T  = 2 yrs. R = ?  We know, Pt = P [ 1 - R / 100]T or, 5415 = 6000[ 1 - R / 100]2 or, 5415/6000 = [ 1 - R / 100]2 or, 0.9025 =[ 1 - R / 100]2 Taking square roots on both .....

The period of first half of the lunar month in which the moon increases its bright part is called bright half or waxing moon. The period of the lunar month in which dark part of the moon increase is called dark .....

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Receptacle is the modified portion of a plant stem .....