Students and Teachers Forum

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मैले कोठामा सामानहरु छरेँ .....

You use your hand to wind your watch. Here, the spiral spring gets tightened when you wind the watch. So, it stores potential energy. Hence, the main source of energy in your hand is elastic potential energy stored in the spiral .....

Power is defined as the rate of doing work. It is given by: Power (p) = work(w)                      Time (t) Its unit is Watt .....

3. A burning firewood 4. Lightulbs 5. .....

Three uses of magnetic energy are: 1. They are used in TV screens, computer screens, telephones and in tape recorders. 2. They are used in the electrical bells. 3. They are used in the refrigerators to keep the door .....

Every object in the universe that has mass exerts a  gravitational pull, or force, on every other mass. The size of the pull depends on the masses of the .....

All magnets have north and south poles. Like poles of the magnet repel while unlike poles attract. Hence, the force of attraction or repulsion between the poles of the magnet is also the magnetic .....

Solution: Here,  Let l be the length and b be the breadth of rectangle. Then  Area = 120cm2   or. l ⨉ b = 120 ..........i) Again,  perimeter = 44cm  or, 2( l + b) = 44 or, l + b = 22 or, b = 22 - .....

Solution, We have given, x + 1/x  = 4 Squaring both sides, ( x + 1/x)2 = 42 Now using formula, ( a + b)2 = a2 + 2ab + b2, We get,  x2 + 2.x.1/x + 1/x2 = 16 or, x2 + 2 + 1/x2 = 16 or, x2 + .....

सुन्तलीद्वारा रामे र चामेलाई बोलाइयो .....

मद्वारा डाडाँ काडाँ हरियो देखियो .....

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विश्वले कहाँबाट कहाँ पुगि सकेको अवस्थामा नेपाल भने साना भन्दा साना  कुरामा अल्झिरहेको छ । .....

The earth cannot be made bigger and richer to supply our growing needs. On the one hand, our development activities should be enabled to continue in the long term. The future generations must get what we have got. So, we must use the resources .....

Here,  Time = T = 1year 6 month = 1 + 6/12 = 1.5 years Compound interest = Rs. 1951 P = Rs.15625 So, A = P + C.I. = Rs.17576 Rate = ? We know, For Semi anually, the amount is : Asemi anually = P( 1 + R/100)2T. or,  Rs.17576 = .....

Solution: We have given  Area = π r2 We can see here, radius of circle is r. So,  Circumference of circle = 2π r

People's movement 2062/063 is one of the historic movement in Nepal. It was against the dictatorship of the then King Gyanendra. The seven political parties and the people throughout the country fought against the dictatorship. The causes of .....

Panchayat was the political system of Nepal from 1960 to 1990. The Panchayat System was formulated by King Mahendra. It was established after overthrowing the first democratically elected government and dissolving the parliament in 1960. Some of .....

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समाजमा महिलामाथिको विभेद र हिंसा बढी मात्रामा  देख्न पाइन्छ । यस्ता प्रथाले समाज आपाङ्ग .....

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It is represented by the uppercase letter R.  Low resistance means the object conducts electricity well.  High resistance means the object does not conduct electricity well. The standard unit of resistance is the ohm .....

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पर्दा च्यात्नु    –    सामाजिक विसङ्गतिको पर्दा च्यात्नु पर्छ .....

Here are the major stages/ processes of the digestive system: 1. Chewing: Chewing is the first stage of the digestive system. When you chew your food it breaks up big pieces into little pieces that are easier to digest and swallow. Also, your .....

A couple of years ago, while I was travelling to India for visiting my younger brother, I was so fortunate to catch a sight of an unbelivable incident. I was sitting on the chair in one of the cafes of Kolkata .....

It maintains the record of cash receipt and cash payment which are made either in cash or through cheque. It prepared on the basis of journal voucher. It keeps the record of every financial transaction affecting its debit and credit account. It .....

हामीको ठाउँमा हाम्रो आएको भए विशेषण हुने थियो है .....

The coulomb is the standard unit of electric charge in SI system. A quantity of 1 C is equal to approximately 6.24 x 1018 electrons. We know that, A single electron has a charge of 1.60217733 × 10-19 Coulombs. i.e. 1e- = 1.60217733 .....

Ideally, this should not happen. Internal chemical reactions should only occur when an external current flows. Local action defect is caused by the impurities present in zinc rod. When the zinc rod is immersed in acid, the zinc atoms and the .....

Genealogy is the study of family origins and history. It compiles lists of ancestors, which they arrange in ancestorial charts or other written forms. The term ‘genealogy’ is the study of family ancestors. It uses the documentation of .....

Slope of BC = m1 = [ y2 - y1] / [ x2  -x1 ]                      = [ 2 -2 ] / [8 -2]                      = 0 Smope of AP = .....

Here,  TSA of given solid = CSA of 2 hemi- sphere + CSA of cylinder                                 = 2 x 2π r2 + 2π r h       .....