When regular reflection are reflected image formation take place. For example : Mirror When irregular reflection are reflected image formation will not take place. For example: .....

You might have learnt about law of reflection of light. Consider a light-ray incident on a plane mirror, as shown in the figure. The law of reflection states that the incident ray, the reflected ray, and the normal to the surface of the mirror .....

Let the pointA(2,7),B(3,4) and C(6,3)are three corners of a parallelogram. Now to find the fourth vertex, Let it be D(x1,y1) Find point of AC. Find mid point of BD. In //gm  Find point of AC=Find mid point of BD. Solve and .....

Let the pointA(3,y),B(-4,5) C(-7,-1)  &D(x,-4)are the vertices of a parallelogram. Find point of AC,By using mid point formula, Find mid point of BD. In //gm  Find point of AC=Find mid point of BD. Solve and get  x .....

To find the equation of st.line, 1st solve the given 2 equation  2x - 3y + 4 = 0 and 3x + 4y - 5 = 0 and find x  and y. It is passing point (x1,y1) for the required line. Now find slope o line 2x + 3y = 5.  m=-2/3 So slope .....

In the given question, Mid point of A & B is M So, using mid point formula, (3,5)= ({4a-10}/2, {6b+4b}/2) or, (3,5)= (-6a/2, 10b/2) (3,5)= (-3a, 5b) Now compare the corresponding elements and fint a  and  b. Then replace it .....

As we know base angle of an isoscales triangle are equal. So, let it be x, Then   x+x+60=180 or, 2x=180-60 or, x= 120/2=60o Now ratio is 60o/60o=................ can you write .....

The total number of people in the survey, n(U) = 195 The total number of people who liked tea only, no(T) = 25 And the total number of people who liked coffee only, no(C) = 125 Let the total number of people who like tea; n(T) be x. Then .....

144 is a composite number. We can find the prime numbers in it by division method. Divide it by prime numbers starting from 2. 144/2 = .....

 अग्नि, संस्कृत शब्द हो ।  नेपालिमा यसलाई आगो भनेर बुझिन्छ ।  अग्निका थुप्रै पर्यायवाची .....

Does mass of an object depend on its length? You know that mass of an object is independent of its length So mass is the fundamental physical quantity. Hence, the quantities which do not depend on any other physical quantities for their .....

The last dinosaurs died approximately 65 million years ago. Although the cause of their extinction is still a mystery, climatic change, diseases, changing plant communities, and geologic events could all have played a role. A recent explanation, .....

देवकुमारी थापाले आजीवन शिक्षा, साहित्य  समाज  सेवामा आफ्नो जीवन दिइन्  । खास गरी बालसेवा, .....

GIGO  stands for 'Garbage In, Garbage Out'. It tends to be used when talking about data entry and databases. It means that if you enter inaccurate or wrong data then you have really entered .....

The climate and land are both moderate there. Because of ideal temperature and climate, the region sees a large concentration of flora and Only10 % of the total land is cultivated in this .....

 भिख शब्दमा आहारी प्रत्यय लागेर भिखारी शब्द बनेको हो । यहाँ, भिख भनेको मागेको कुनै वस्तु हो .....

To find x, we use the concept of isoscales triangle. In this triangle, <B=<A=x  [base angle of isoscales triangle.] Now, <A+<B=1200 or, x+x=120o or, 2x=1200 Now complete .....

Every fluid we encounter in our daily lives is compressible. To understand what compressible fluids is one must first understand what compressibility is. The compressibility of a fluid is the reduction of the volume of the fluid due to external .....

 प्रश्न राम्रोसंग बुझिएन ।  कृपया नेपाली भाषामा  बुझिने र प्रष्ट हुने गरी प्रश्न टाइप .....

Hint:

The alternate angles between parallel lines are equal.

So, equal alternate angles to get the unknown values.

And also, the sum of angles of a triangle is equal to 180°.   

If two angles are .....

Dear student, look at the picture. The avove mentioned picture is an example analog computer.  You know that analog computers are different than digital computers.  Analog computers are used to process analog data. Analog data is of .....

Here, Area of  room=7.5m x 5.4m=40.5m2 Now find the area of carpet from total cost and rate.   A=T/C So area of carpet=area of room And find .....

Here, Area of square room=90ft x 90ft=8100 ft2 So area of carpet=area of room     l x 18 =8100          , where l= length of carpet. or, l=8100/18=450 ft. Finally, total cost= lx C= 450 x .....

Here, the total tax = Rs. 30000 He pays 15% in amount Rs. 100000. That meants, tax on Rs. 100000 = 15% of Rs. 100000 = Rs. 15000 So, remaining tax = Rs. 30000 -  Rs. 15000 = Rs. 15000 Let remaining income = Rs. x Then, Rs. 15000 = 25% of .....

A decomposition reaction is a type of chemicalreaction in which a single compound breaks down into two or more elements or new compounds. Thesereactions often involve an energy source such as heat, light, or electricity that .....

First download the image in the computer and zoom. I hope you can see .....

Look at the image below; In the image, AB is parallel to CD and   EF is a transverse line. You may know that There are four pairs of corresponding angles. Can you tell what are .....

You migth have filled the ink in fountain pen. When you press the tube inside the fountain pen, there gets a vacuum created in the tube which makes the ink to get in the tube as the atmospheric pressure is greater (1 bar ) than the vacuum .....

Starting from melallic  zinc white vitriol is prepared by treating dil.H2SO4 followed by crystillization. Zn       +       dil.H2SO4   à ZnSO4   .....

The poem, "The Road Not Taken" by Robert Forst is about the choices that one makes in life. He feels sorry because he can not travel both as he must choose one.  In the end, he picks the one that has least used concluding that .....

You know that a house is made by many blocks of bricks. Similarly every matter is made up of small units called atoms. Atoms are building blocks of matter. Hence, matter is composed of .....

उनलाई  खेल खेल्न , चित्र कोर्न र हिमाल चढ्ने काममा  पनि रुची राख्थे । फुटबल खेल उनलाई असाध्यै .....

The frog climbs 5 m in an hour. It slides back .... as it rest for an hour. Here, you may have felt that some information in the question is missing. Please find the missing part and mention in a .....

Similarly, lack of proper education is another cause of failure of .....

Here, you can take √2 common fom both, i.e;5√2-3√2 =√2(5-3) =√2x2 =2√2 You can do this by simple subtraction .....

You must have seen people lining up for the election. They were at the polling station to vote for the person who will represent them at the Governmental level. The Constitution of Nepal 2072 has divided into 7 provinces. At the Federal level .....

Now, to find the locus of the moving point P(x, y). It is given that, Ordinate = 3*abscissa y = 3x The above equation is the required .....

This video helps you learn the way of drawing the punnet chart for both monohybrid and dihybrid .....

Last equation put in formula of a2-b2=(a+b)(a-b) And put, sin2θ+cos2θ=1 and   cos2θ-sin2θ=cos2θ You get .....

In this question, AD is diameter so, <ABD=90 Now In triangle, ABD, <A=90-23=67 In cyclic qd.ABCD, <A+<C=180, since um of opposite angles of a cyclic qd is 180. Or, <C=180-<A=...............Calculate .....

The seed also consists of food supply to provide nutrients to the embryo. Many seeds are able to endure long periods of drought, heat, or cold temprature. But they grow into new plants under suitable conditions  like heat, temperature, .....

Points to remember for writing paragraph: i. Each paragraph should have a main idea. ii. Sentences should have direct connection with the topic sentence. iii. Each paragraph must be arranged in a coherent .....

Carnalite contains small amount of KBr and MgBr2 as impurities. The saturated solution of carnalite is crystallizes, the mother liquor containing more soluble bromide are taken .....

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Oxidation is the loss of electron and reduction is the gain of electron. The  Oxidation number of nitrogen in HNO3  is +5 whereas oxidation number of nitrogen in  HNO2 is +3. This means the maximum number of electron loss by .....

Prabinsh, you can learn the meaning of above words and try to make your own .....

Synonym for the word 'substitute' is  alternative To understand it more clearly. While playing basketball, the players are substituted.  That means to replace one player with another .....

10/100 x total students=45 or, total students= .....

Here is an explanation to the evolution of long-necked giraffes, on the basis of Darwin's theory of natural .....

You might  have learnt about evolution. Vestigial organs are organs of the body which are smaller and simpler than those in related species. They have lost, or almost lost their original function. Vestigiality is evidence for evolution, .....