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Radio waves are the low-frequency electromagnetic waves  which are used to transmit radio and television signals. Two characteristics of radio waves are: 1. The velocity of radio waves is same as that of light. i.e. 300000 km per .....

The relation between the intensity of sound (I) and amplitude of sound (A) is: The intensity of sound (I) is directly proportional to the square of amplitude (a). i.e. I ∝ .....

You know each magnet possess magnetic field. This field is represented by magnetic lines of force. The properties of magnetic lines of force are 1. They are directef from north poles to south. 2.The direction of the field lines inside the .....

Two harmful effects of mercury are: 1. Methylmercury is one of the organic mercury compounds.     It is a poison for the nervous system. 2. The inhalation of elemental mercury vapours can cause neurological     .....

In hydrogenation reaction, hydrogen adds across a double or triple bond. For .....

Here,  Cohesion: Water is attracted to water Adhesion: Water is attracted to other .....

The function of ergosterol chemical is: - Ergosterol is produced from yeast and then converted into   vitamin D2, which is used as a food supplement.    It is therefore, used to cure rickets.    (Rickets is a deficiency .....

Two steps of a disaster management cycle are: 1. Preparedness: (activities before disaster)     Example: Preparedness plans 2. Response: (activities during disaster)     Example: Public warning .....

Thicker lens means shorter focal length and vice versa. Shorter focal lengths require a thicker lens, purely because they require more lens material to be removed to get the correct .....

Here, ∆ABC ∼ ∆CPQ. then,   AB/PQ = BC/CQ [ ratios of corresponding sides of similar triangles are equal]    or,x/2 = 4/1.5 or, x = 8/1.5 or, x = 5.33 .....

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The contemporary world incidents can be any event, idea, opinion or topic on any subject which is the concern of the present day world. The contemporary world incidents attract all the people throughout the world. The two contemporary world .....

ASTRONOMY  - It is a natural science that is the study of celestial object.  - It is the oldest science where planets, stars, moons and galaxies are studied.  - It covers everything in the universe.  ASTROLOGY - It is not a .....

I am Purnima .....

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Two differences between axon and dendrites are: 1. Axon has neurofibrils but no Nissl's granules.     Dendrites have both neurofibrils and Nissl's granules. 2. Axons take information away from the cell body.     .....

Since, earth is a reservoir of electrons, protons or electric charges, it can absorb or give charges. Therefore, electrical conductors should be connected to the earth in order to limit the charges in the circuit. This process of removing the .....

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Nepal, being a developing nation requires foreign aid and assistance in developing physical infrastructures in various sectors. Similarly, the international relation is necessary to maintain sustainable peace and development in the country by .....

Look at the logo above. It is the logo of World Bank. The World Bank is a vital source of financial and technical assistance to developing countries around the world.  It is not a bank in the ordinary sense but a unique partnership to .....

Collins Barrow is a Canadian chartered Professional accountant. He has defined entrepreneur as "a person who gets involved in business activities with the motif of profit .....

Capital refers to financial assets or the financial value of assets. The funds held in deposit accounts, ownership of shares of a public limited company, etc. are some of the examples of capital. It also includes the tangible machinery .....

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Similarly, Nepal is a culturally diverse nation. Empathy and cooperation develop the sense of togetherness amongst the various communities. Hence, empathy and cooperation are very essential to maintain national unity in diversity in .....

Peace culture refers to the culture of developing understanding and the system of settling conflict in peaceful manner. It is the fundaments to establish sustainable peace in the country. Peace culture promotes creation, construction, unity, .....

Nepal is a secular state. The state does not have a single religion. The state respects the people belonging to 10 different religions equally. There is no clash or conflicts in terms of religions. The Constitution of Nepal(2072) has made the .....

The dialogue between two friends 'Ojha' and 'Hari' is prepared in the following way:

क्रियापदको प्रयोग गर्ने वक्ताले आज्ञा वा अनुरोधको  मनसाय प्रकट गर्ने  क्रियाको अर्थ .....

The Panchayat was an autocratic party-less political system declared by King Mahendra. It was declared on 22nd Poush 2017BS. In this system, all the state power was centralized to the king. The Panchayat system did not sustain in Nepal for .....

Differences between aerobic and anaerobic respiration are: 1. Aerobic respiration uses oxygen.     Anaerobic respiration is respiration without oxygen. 2. Aerobic respiration occurs in most eukaryotes (organisms with a true .....

- Everyone should collaborate with each other. - Everyone should work for the betterment of the family. - The discriminatory behaviors between the male and the female members should not be .....

People discriminate other because of the following reasons: - their sex or gender - if they have any kind of disability - their race - their age - .....

इच्छार्थक भावमा प्रथम, दोस्रो र तेस्रो पुरुषमा ‘भन्’ धातुको रूप चलाएर देखाइएको छ, अध्ययन .....

The raw material is the basic material from which a product is made. Raw materials are like straw, stone mud, wood, leather which are used and processed by the industries to produce useful items of our daily use. They are the prerequisites for .....

The term industry refers to the production of large volumes of goods and services by using skills, resources and modern technologies for commercial purpose. In other words, it is a money generating source which produces goods and provides services .....

 ab(x2 - y2) + (a2 - b2)xy = 0 or, abx2 - aby2 + (a2 - b2)xy = 0 or, abx2  + (a2 - b2)xy - aby2 = 0 comparing it with ax2 + 2hxy + by2 = 0     a = ab, h = (a2 - b2)/2 and .....

According to the best estimates of astronomers, there are at least one hundred billion galaxies in the observable universe. They’ve counted the galaxies in a particular region, and multiplied this up to estimate the number for the whole .....

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Look at the followng picture: You can see that the roads are cracked. This is due to the shaking of the earth’s surface. This natural disaster is called as earthquake. In an earthquake, huge masses of rock move below the .....

They are herbivores meaning they do not eat meat. They are nocturnal meaning they sleep during the day. They mostly eat bamboo but sometimes they also eat berries. They mostly stay to themselves except the mating time. They are crepuscular .....

Given word euation is: Hydrogen + oxygen = water Its balanced equation is: 2H2 + O2 = .....

The importance of court of records are as follows: - The proceedings are recorded and available as evidence of the fact. - A record of the proceedings is captured and preserved which can be used in the future. - A court of record has power to .....

Nepal got the membership of UN in 1955 AD. In 1958, Nepal for the first time sent the Nepalese Armies as the UN peacekeeping force. I think it is right to send Nepalese Armies as the peacekeeping force. The reasons behind this are mentioned in .....

Malnutrition is the lack of proper nutrition. It is caused by not having enough to eat, not eating enough of the right things. It happens due to the condition of being unable to use the food that one does eat. It is one the problems of our .....