Scalar and vector are classification of quantities in physics. Scalars are quantities that are fully described by a magnitude (or numerical value) alone. For example: temperature, weight, etc Vectors are quantities that are fully .....

Look at this periodic table.  The first group includes the elements H, Li, Na, K and so on.  Except H (hydrogen) all others are metals.  They are very active metals.  Their oxides dissolve readily in water and from strong .....

It is a instrument used to measure the atmospheric pressue Atmospheric pressure is an indicator of weather. Changes in the atmosphere, including changes in air pressure, affect the weather.  A rapid drop in atmospheric pressure means .....

cos6A - sin6A = (cos2A)3 - (sin2A)3  Is in the form a3 - b3. Factorizing, a3 - b3 = (a - b) ( a2 + ab + b2 .....

Other examples: Rima went to Japan. The verb 'went' is not changed even if the subject 'Rima' is changed. So the verb in this situation is non-finite (unchanged) Rima .....

A phrase does not have a predicate but it can be a predicate .....

But 1/3 = 3-1 So, 3x = 3-1 Comparing the powers, We obtain, x = .....

कुनै पनि वस्तु चिनाउनका लागि नामको प्रयोग गरिन्छ .....

Step III: Subtract the product of the divisor and the quotient from the first pair and bring down the next period to the right of the remainder. This becomes the new dividend.  Step IV: Repeat steps (2), (3) till all the periods .....

Now, a = x = 80o [Being angles in an alternate segment between two parallel .....

The numbers which are divisible by 1 and itself are prime numbers while  The numbers that are divisible by a number other than 1 and itself is a composite .....

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Pokhara is the second largest city in Nepal. It is the starting point for most of the trekking in the Annapurna area. The heavy rain in Pokhara is the range of high hills and mountains. Annapurna is one of the major ranges in this .....

Whereas the positive ion that comes from base is called basic radical It is the positive ion from the bases As, NaOH--------------> Na+ + OH- This Na+ is called basic .....

The cross involving more than 2 unit characters is termed as polyhybrid cross. Any characteristics of organisms having a pair of contrasting character in itself is called unit character. For example, tall and dwarf is a pair of contrasting .....

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Well, bases are the metallic oxides and hydroxides. Some metallic oxides like oxides of sodium, calciu,m, potassium ,etc (that is alkali metal and alkaline earth metals) dissolve in water Which are called alkalis that water soluble .....

NaOH + HCl --------> NaCl + H2O This is an acid base neutralization reaction.  Here, HCl is an acid while NaOH is a base. NaCl is the salt formed by neutralization of acid and .....

So,  Adding (i) and (ii), We get,  angle QPR + angle QRP = 1/2 (arc PQ + QR) Therefore,  angle QPR + angle QRP = 1/2 (arc PR) .....

Let us take the .....

The solution is wrong! I have already shown you the correct .....

You must have seen frogs and toads.  They live on land as well as in water in adult stage.  But, the early stages such as egg and larva live only in water.  These are amphibian .....

You must have seen a fish. Where does it live? It lives in water. You might have seen prawn, shrimps, sea horse, etc. Where are they found? They are found in water. An aquatic animal is an animal, .....

A family is a social unit. It is a group of individuals consisting of parents and their children living together and dining on the same table. It is related .....

But, light is supposed to show particle behaviour too. "Photons" are supposed as the particles of light.  It is not affected by normal gravity.  But extreme gravity such as in black holes can attract light.  The light .....

The Universe is all of the space and time and its contents, which includes planets, moons, minor planets,stars, galaxies   and all matter and energy. The size of the entire Universe is still .....

Which is what we called the velocity ratio.  Since, it is the ratio of similar physical quantities, it is unitless. Now can you define the velocity .....

Vibration is the mechanical oscillations about an equilibrium point. When the molecules of a matter move from its mean position, vibration is occurred. The oscillations may be periodicsuch as the motion of a pendulum or random such as the .....

In this, example, First convert the number to base 10 by multiplying each place value with the powers of .....

And, To covert base 5 numbers to base 2, First we must convert base 5 numbers to base 10. Then the base 10 number to base 2 .....

Floating plants are among the aquatic plants. Aquatic plants are plants that are adapted to live in water or aquatic environment.  Floaters are not rooted in the soil. They float freely just above or just below the water .....

The atomic number of Magnesium is 12. K shell has 2 electrons, L shell had 8 electrons and M shell has 2 electrons. Draw it .....

हाम्रा टार परेका जमिनहरुमा हामीले विभिन्न खालका बालिनाली लगाएर हाम्रा सिपहरु उत्पादन .....

It is a branch which helps in locating points in space as a parameter and  Finding solutions of geometric .....

Take 33a+1 common  in .....

A compound is a molecule composed of more than one element. The molecular formula of water is H2O. Water is composed of hydrogen and oxygen, so it is a .....

Diarrhoea is the frequent passage of loose, watery, soft stools with or without abdominal bloating, pressure, and cramps commonly referred to as gas.

Causes of diarrhoea include - viral and bacterial infections, -as well as .....

You know there are 9 planets in our solar system. In which earth is only suitable for life. There will be many plantes like earth in other galaxy.  But that is impossible till now to find out. To just reach there, it will take many .....

Now, for  ii. You have to find n(T U M) = n(T) + n(M) - n(T ∩ M)                                  ______ iii. You have to find n(T U M) = n(U) - .....

Plants are living beings and all the living beings need water to carry out their life processes. Plants need water to grow because plants require internal water pressure to strengthen the stems and leaves, and plants need water to create .....

Have a look at this plant. Don't you think this is too small compared to other plants? The common name for this plant is Wolffia , also known as duckweed.  Can you find out where they are .....

Hypermetropia or farsightedness-blurred near vision. Hypermetropia means long sight and is where the image of a nearby object is formed behind the retina.  By placing a convex (plus powered) lens in front of a hypermetropic eye, the image .....

The function of ciliary muscle is to adjust the focal length of the eye lens by thickening and thinning of the lens as per the distance of object.  When ciliary muscle can not function well, both types of defect of vision (short sightedness .....

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 हस्त लेखनलाई राम्रो बनाउन बारम्बार लेख्ने बानीको विकास गर्नु पर्दछ । लेख्दा ध्यान दिएर .....

Nepal is an agricultural country. About 68% of the total population is engaged in agriculture. But the agriculture in Nepal is in poor condition. It contributes only 33% of the total GDP. The agriculture products do not meet the demand of the .....

There would be no humans, No animals and .....

First of all, we must know what is kinetic energy. Energy produced as a result of the motion of an object is called Kinetic energy. In short, it is written as K.E. Remember that the kinetic energy  is defined as  KE1 = .....

The moving body gains a kinetic energy.  When the body strikes to any other body, its kinetic energy gets converted into other forms. You know that, energy conversion is also a kind of .....