As the water flows through that passage, it is directed towards a machine with wheels around This machine is called as a turbine. The force of the flowing water turns the wheels of a turbine. This in turn spins an electric generator. As a .....

finally, put l = 4 in equation (ii), we get or, lh = 12 or, 4h = 12 or, h = 12/4 or, h = 3 Thus, height of the square room is .....

Let, x be the labelled price of the article.                  ie. MP = x. After Rs. 250 discount,  Selling price of the article, SP = x - 250. Cost price of the article, CP = Rs. 2000 profit % = .....

You may know that , Power = workdone /time taken             = force x distance covered /t             = mgh/t              = 60 x 10 x 20 / .....

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1. A dry cell converts chemical energy into electrical energy. 2. A dynamo converts magnetic energy into electrical energy. 3. Copper is a good conductor of electricity. 4. Rubber is a bad conductor of electricity. 5. Silicon is neither a good .....

 म मेरो ठाउँको बारेमा व्याख्या गर्छु तपाई आफ्नो ठाउँको बारेमा लेख्नु्होस् है त । इलाम .....

Answer: Each of these boys is weak in maths.

Each of is used before a pronoun or a noun with a determiner (e.g. demonstratives, articles and possessives). It is followed by a plural noun. The verb is singular but can be plural in an .....

Answer: impression    - a feeling that one gets about something or somebody destination    - a place where somebody is going thrilled          - overjoyed hospitality     - friendly and .....

The changing magnetic field generates electricity in the coils of wire. This process of producing electricity by the help of magnet is called as electromagnetic induction. Hence, a dynamo generates electrical energy by the process of .....

Ram says that he is a boy. Rule: If the reporting verb is in the present or future tense, the tense of the reported           speech is not changed.           Other changes(change of pronouns, time .....

You can see in the above figure. The open end of the zinc container is sealed with wax or plastic to prevent the drying up of electrolyte. The zinc vessel acts as a negative terminal and carbon rod with brass cap acts as a positive terminal. Dry .....

Herbarium of pine tree can be prepared by the following processes: 1. Collect the parts of pine tree you wish to make herbarium and bring them home. 2. When collecting, record its name, its original source, date of collection,     .....

7. You can dry several plants in the same book by spacing them several pages apart. 8. Once you have all the plants you wish to press in your book,     put something heavy on top of the book (such as couple more books).   .....

The monsoon is a period of heavy rainfall occurring each year during the months of June-July and August.

The monsoon enters in Nepal during the first week of June and it brings abundant rain until September.

The monsoon rains are .....

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Synonyms: abide - obey, accept about - with regard to courteous - polite, respectful decide - agree, conclude dwelling - home, habitat  gloomy - dark, cloudy grumble - complain, groan innumerable - many, infinite nuisance - annoyance, .....

Two-way communication is when one person is the sender and they transmit a message to another person,who is the receiver. For example: Phone-call   .....

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1. First, we draw an image of the object on the other side of the mirror. Distance A is equal to distance B and the image size is the same size as the object .....

Here,  Weight of Stuti =  force = 600N Area  1 of foot = 150 cm2 = 150 / 10000m2 Pressure by one foot = 600N / [150 / 10000m2]                            .....

Classification of pine tree: Subkingdom: Phanerogams (Flowering plant) Division        : Gymnosperm (seed are naked with no flower or fruit) Sub-division : Coniferophyta (have cones instead of .....

Seeds of some plants are covered in their fruit. These kind of plants are called as angiosperms. Examples are: Fruit trees like apple tree, mango tree .....

Dicot plants have leaf with reticulate venation and root is tap root. Example: Pea plant. Classification of pea plant: Subkingdom: Phanerogam (Flowering plant) Division        : Angiosperm (seeds are covered in .....

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The efficiency of a machine is the ratio of output power by input power. The reason it does not have 100% or more efficiency is that some amount of the input power gets wasted , like for instance due to heat, friction, etc. Hence the output power .....

You know that our body consists of heart. You may have felt the repeated movement of heart ( that produces sound). We call this as .....

You may know that Nepal is an agricultural country. Green house effect increases the temperature of a place. This will lead to change in weather. The changes in the weather may also cause change in the amount of rainfall in different parts of .....

1/sin 10º - √3/cos 10º

= 2  (1/2sin 10º - √3/2cos 10º)

= 2 (sin30o/sin10o -cos30o/cos10o)

= 2  (sin30ocos10o-cos30osin10o)/sin10ocos10o

=2 .....

We have given, x + y =  445,  Operating by cot we get cot(x+y) = (cotx*coty - 1)/(cotx + coty) = 1  cotx * coty - 1 = cotx + coty  cotx * coty = 1 + cotx + coty  1 = (1 + cotx + coty)/(cotx * coty)  On the right .....