Students and Teachers Forum

Similarly, Nepal's climate is highly influenced by monsoon. The Terai Region is levelled alluvial plain. This plain land has easier facilities for irrigation. So people there are involved in the cultivation of tropical and subtropical crops .....

Every 1° is equal to 4 minutes. If the place is on the west of Greenwich meridian then subtract the calculated time from the actual time of GMT and if it is on east then add. So Kathmandu is 85x4=340 min= 5 hours + 40 min ahead of GMT. So, .....

The monsoon is defined as the directional shifting of the wind from one direction to the other direction. In summer there is a warm and the moist wind blowing from the ocean towards the land while during the winter a cold and the dry wind .....

Yes, Monsoon rain is the source of irrigation to the fields. Most of the agricultural land (80%) depends upon the monsoon for irrigation. A good monsoon means the good harvest. But, the monsoon rain often results in the floods and the .....

Every 1° is equal to 4 minutes. If the place is on the west of Greenwich .....

Good Morning All, Respected teachers, And my very dear friends, Thank you so much for giving a golden opportunity to speak about 'the Second Constituent Assembly of Nepal. Well, Constituent Assembly is the process of drafting the .....

You might have seen dry leaves. The leaves become dry and fade away when it is kept in hot sunshine for long time. These kind of leaves are called as withered leaves. So, withering of leaves means drying up and shrinking of leaves  due .....

You know that fibers can be obtained either naturally (like wool from sheep) or artificially in laboratories. Those fibers which are made artificially are artificial fibers. Some artificial (man-made) fibers are manufactured from .....

Other fibers which don't come from nature are synthetic fibers. They are man-made, created by processes that begin in a laboratory. Nylon is silky material which is made or created artificially  in laboratories by different .....

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SONAR stands Sound Navigation And Ranging. It is useful for human beings since it is used for measuring the depth of the water. It is also used for detecting large underwater objects and to search for large fish .....

Hence, a sharp sound has high pitch and a hoarse sound has low pitch. For example, tiger's roar, man's voice, etc. have low pitch and produce hoarse sound. Woman's voice, whistle, etc. have high pitch and produce sharp .....

Noise pollution adversely affects the environment. Hence, noise pollution should be controlled. Some of the preventive measures of noise pollution are as follows: i. Airports, bus parks, factories, etc. should be made far away from human .....

When sound wave travels in the given medium, it strikes on the reflecting suirface and returns back to the same medium in other direction. This phenomenonn is called reflection of .....

Pitch of sound: You know that some sounds are sharp  and some sounds are hoarse. This sharpness or shrillness of sound is called pitch. Pitch of sound depends on frequency. When the frequency of sound increases, pitch also .....

You may have learnt that waves are of two types. They are transverse and longtudinal waves. In transverse wave, particles of medium moves up and down. The upward raised part of the wave is crest and the doward lower most part is trough. In .....

We know that density is mass per unit volume. So, density =  Mass                      Volume or, d = m             v or, d =   6.5   .....

Here,  Let, vector a = 6i + 8j        vector b = 3i + mj Take vector a = 6i + 8j = 2 ( 3i + 4j) vector a //  vector b. So, b = k a, where k = 2. Now compare the components,           .....

Here, Principle(P) = Rs. 700 Interest(I) = Rs. 105 Time(T) = 1 year Rate(R) = ? We know, I = PTR/100 or, 105 = (700 x 1 x R)/100 or, R = 15 %. Now, In second case: Principle(P) = Rs. 700 Rate(R%) = 15% Time(T) = 2 year Now, Interest(I) = .....

Solution: Given, speed of sound (v) = 5100 m/s Frequency (f) = 200 Hz Wavelength (λ) = ? We have, from formula, Speed of sound (v) = Wavelength (λ) ⨉ Frequency (f)  Or, 5100 = λ⨉ 200 Or, λ .....

Solution: Given, speed of sound (v) = 1200 m/s Wavelength (λ) = 15.5 m Frequency (f) = ? We have, from formula, Speed of sound (v) = Wavelength (λ) ⨉ Frequency (f) Or, 1200 = 15.5 ⨉ f Or, f = 1200     .....

Solution: Given, Speed of sound (v) = 1500 m/s Time interval of echo (t) = 2 sec depth of the sea (d) = ? We have, from formula, Depth = Speed of sound ⨯ time                      .....

Solution: Given, Speed of sound (v) = 332 m/s Time interval (t) = 20 sec Height  (h) = ? We have, from formula, Height = Speed of sound ⨯ time                        .....

Here, Given, depth of sea (d) = 2250 m Time interval of echo (t) = 3 sec Speed of sound (v) = ? We have,  Depth = speed of sound × time                         .....

Solution: Given, depth of the sea (d) = 6200 m Speed of sound (v) = 1500 m/s Time interval of echo (t) = ? We have, from formula, Depth = Speed of sound ⨯ time                        .....

Here, Circumference(C) = 132 m We know, Circumference(C) = 2πr or, 2πr = 132 or, 2 x 22/7 x r = 132 Therefore, r = 21 cm. Now, Diameter(d) = 2r = 2 x 21 = 42 .....

Could you please check the question and post it .....

Here, Principle(P) = Rs. 550 Time(T) = 1 year Interest(I) = Rs. 64 Rate(R%) = ? We know, I = PTR/100 or, 64 = (550 x 1 x R)/100 Therefore, R = 128/11 % Now, in another case: Principle(P) = Rs. 800 Time(T) = 3 years Rate(R%) .....

Here, Circumference(C) = 132 m We know, Circumference(C) = 2πr or, 2πr = 352 or, 2 x 22/7 x r = 352 Therefore, r = 56 cm. Now, Diameter(d) = 2r = 2 x 56= 112 .....

Definitely, we should treat all kinds of people in the same manner. We should respect the rights, voices and choices of the people who are from different backgrounds. Everyone wants to live in dignity. All want to enjoy their rights without any .....

Here, Interest on Rs. 100 for 1 year is Rs. 6 Hence, Interest on Rs, 100 for 3 years = Rs. 6 x 3 =Rs. 18 [More year, more interest(Using unitary .....

Here, Interest = Rs. 3 per Rs. 100 per year. Therefore, By defination of Interest Rate, Interest Rate = 3 %. Rate(R%) = 3 % Principle(P) = Rs. 1500 Time(T) = 6 years Therefore,  Interest(I) = PTR/100 = (1500 x 3 x 6)/100 = Rs. .....

Here, Principle(P) = 100 Time(T) = 5 years Interest = Rs. 7 per Rs.100 per year. Therefore, Interest(R%) = 7% Now, Interest(I) = PTR/100 = (100 x 5 x 7)/100 = Rs. .....

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   Here,  (x-a)(x-b)(x-c)... (x-y)(x-z)    There is one factor (x - x). ie. given expression has zero factor. So, (x-a)(x-b)(x-c)... (x - x)(x-y)(x-z)  = (x-a)(x-b)(x-c)... 0.(x-y)(x-z)  = .....

A government is the group of people with the authority to govern a country. A government has three main organs which play a vital role for the smooth running of a country. The four responsibilities of a government are as follows: - A .....

Here, Rate of interest = 5% So, interest on Rs. 500 for 1 year = 5% of Rs. 800.                                                 .....

 Here, Rate of interest = 4% So, interest on Rs. 500 for 1 year = 4% of Rs. 500.                                             .....

The difference between head of the state and head of the government is shown in the table below: Head of State Head of Government Head of the state refers to the one who is in charge of the nation and council of ministers for .....

To answer this question we need the reading text. Please post the reading text too. Without the reading text, it is quite confusing what to .....

To answer this question we need to go through the reading text. Please post the reading text too. Without the reading text, it is quite confusing what to .....

When you plucked the strings of a guitar, the strings start to vibrate and sound is produced. Similarly, when you speak, you can feel the vibrations if you put your fingers on your throat. Thus, any objects, which vibrate, are called sources of .....

Suhani, I already told you that this is a text-based question. I mean, this question belongs to a particular reading text given in your book. So, you need to post the reading text, then only we can answer your .....

This is a text-based question. It needs the respective text to be answered. Could you please post the .....

प्रश्न नं. ३.को उत्तरः (क) महिला उत्पीडनको मूल कारक उनीहरूले आर्थिक व्यवहार गर्न नपाउनु हो । (ख) .....

प्रश्न नं. २.को उत्तरः (क) दुईचार दशक अघिसम्म दाइजो प्रथाको रूप निकै दुःखदायी र भयानक थियो । (ख) .....

Solution: Given, wavelength (λ) = 0.022 m Frequency (f) = 15 kHz                                = 15000 Hz ( 1 kHz = 1000 Hz) speed of sound wave (v) = ? We .....

Sound waves  are longitudinal waves because particles of the medium through which the sound is transported vibrate parallel to the direction that the sound wave .....