Now, hit one metal with another metal. You may hear a peculiar sound. The sound so produced is called metallic clink. Similarly, hit one non-metal with another non-metal. Can you hear similar sound? You will just hear normal low-pitched .....

Here I write some points and examples, Hope you can add more yourself. Coffee, tea, soft drinks, and even water itself (since it seldom appears in pure form) are solutions, but the meaning of the term is not limited to solutions involving water. .....

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Here, I give you some points,

Because universal gravitation constant G is independent of

Its value remains the same .....

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You might have learnt about sex determination. You will also know that in females, the sex chromosomes produce same type of gametes,  which are homogametes. They are denoted by 'x' and 'x'. So the eggs of females contains .....

Here I give some tips for you, please follow them .  

Proving identities is a big part of any trigonometry class (or .....

A moral or legal obligation; a responsibility A task or action that someone is required to perform Example: For astudent; to study, go to school is .....

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1010 cm:5m = 1010cm/5m                      = 1010cm/500cm   [Since, 1m=100cm, so 5m= 5x100cm=500cm]                     .....

Aromatic compound have certain fix character and one of the character is huckel's rule. According to Huckel's rule aromatic  comp;ound must contain (4n +2) pi electrons where n = number of rings (1, 2,3,4....) and it can be satisfied .....

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Alfred Marshall is regarded as the neo-classical economist. He defined economics as the study of wealth as well as the study of man. Economics concerns with those activities which promote the material welfare of mankind.  He said that people .....

You are .....

It is a wave in a medium in which each point on the axis of the wave has an associated constant amplitude. The locations at which the amplitude is minimum are called nodes, And the locations where the amplitude is maximum are .....

Look some examples, Pushing a box across the floor is work, so is carrying a box. Holding a heavy box is NOT work because you need to use a force to move an object through a distance. Holding a box does not fulfill the distance .....

The simplest way to recognise an adverb is through the common ending –ly. Examples of –ly adverbs are: quickly, quietly, .....

Nepal is culturally very rich country where different kinds of dance are performed by different tribal groups. Dhan naach is popular in Limbu community. This dance is basically performed on the happy occasions like feast, festival, marriage .....

As we know, The Moon's sidereal orbital period (the sidereal month) is ~27.3 days; this is the time interval that the Moon takes to orbit 360° around the Earth relative to the "fixed" stars.

The period of the lunar .....

To solve this question, we have to suppose greater no. be x and smaller be y. From the 1st condition, x-y=7 or, x=7+y..................i) From the 2nd condition, x/4=y/5 + 3 or, 5x=4y+60...........ii) Now solve these two equation and find .....

We have to suppose tyhe point be P(x,y) Then PA= √​(x​2​​−x​1​​)​2​​+(y​2​​−y​1​​)​2​​​​​ or ; PA2 =(x-2)+(y+5)2 Similarly find PB2  and AB2 Now use the given .....

Suppose 'x' is apple, And, 'y' is orange Then, If you have 1 apple and 1 orange your friend gave you 2 apples and 3 oranges How many do you have now ? i.e. 3 apples and 4 oranges The 'x' and 'y' term are similar, .....

3x - 2y + 7 and 5x - 3y -2                 3x - 2y +7              +  5x - 3y - 2                 8x - .....

4m2 + 7n2 and 9m2 + 6n2                4m2 + 7n2          +   9m2 + 6n2                       .....

As we know sound is produce due to the vibration of object. If we catch the ringingb bell, we force to stop vibrating the object.   Can you give me other examples .....

A sound wave is a mechanical wave. It requires material medium to propagate such as air, water, etc. Since the moon has no atmosphere, there is no material medium for sound to travel. Therefore, the astronauts cannot talk to each other .....

Here LHS is compleccated so lets do from it. S0,LHS= [sinA+cosecA ]2 + [cosA+secA]2 =sin2A+2sinAcosecA+ cosec2A+cos2A+2cosAsecA+sec2A =[sin2A+cos2A]+2sinAcosecA+2cosAsecA+sec2A+ cosec2A =1+2+2+1+tan2A+1+cot2A Now simplify and get .....

Mr. Himalaya Shumsher J.B. Rana - Nepal Rastra Bank's first .....

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To find the equation of locus, Please make figure according to condition, We have to suppose tyhe point be P(x,y) Then PA= √​(x​2​​−x​1​​)​2​​+(y​2​​−y​1​​)​2​​​​​ or ; .....

Use the following steps to draw .....

Chemical reactions and equations Chemical reactions are the processes in which new substances with new properties are formed. Only a rearrangement of atoms takes place in a chemical reaction. The substances which take part in a chemical reaction .....

If '1' is added to both numerator and denominator, The fraction becomes 2 / 3 i.e.   x + 1      = 2 x + 2 + 1     3 3 (x + 1) = 2 (x + 3) Now. calculate the value of 'x' And substitute the value .....

You may have learnt that When an acid reacts with a base, the reaction forms salt and water. You may know that salt and water are neutral substances. So, to make an acid neutral, you need to a add base to the .....

Minerals can be define as the natural substance in which metals occurs either in native state or combine state. e.g      Clay(Al2O3.2SiO3.2H2O) Ores can be define as the mineral, from which the metal can be extracted .....

Sons of Messi: Thiago Messi Mateo .....

Here  Resultant of first two displacement vector xresult = 122 + 52                                                 .....

Did you mean not perfectly sphere? planets and stars are not really perfect spheres. They spin, so they bulge out a little around the .....

Substitute the respective value of a, b and c in above equation and simplify. You will get d2(k6 - k4 - k2 + 1) in both sides of the .....

Smart, intelligent,clever- brilliant The state of being false- untruth Stopped doing something- .....

a. Wrap b. Rhinestone c. Series d. .....

The District Assembly shall elect the District Coordination Committee consisting of a maximum of nine Members. Among nine members there are one Chief, one Deputy Chief, at least three women and at least one Dalit or minority. The District .....

Synonyms commnet   → statement of opinion and explanation                              terminal illness  → incurable disease    .....

The fencing is 180 m long i.e. Perimeter = .....

We all need to about the weather. Accurate weather predictions are important for planning our day-to-day activities. Farmers need information to help them plan for the planting and harvesting of their crops.  Beyond that, .....

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Nathuram Vinayak Godse - His assassin/ .....

We know joule is unit of work  Wore= Force x displacement.          = kgm/s2 x m= kgm2/s2 Now you can see the SI units in a .....