Gravitation is not affected by the earth's rotation. Gravitation depends upon two factors i.e. the mass of the two bodies and distance between them. Thus, there is no change in gravitation if the earth stops .....

The title father of heat is not assigned to any scientist. James Prescott Joule was the first scientist to discover that heat is a type of energy. With his multiple scientific contributions, including the Carnot heat engine,  Nicolas .....

The man in the picture was a great leader of Nepal. He was also a renowned literary figure of Nepal. His name is Bisheshwar Prasad Koirala. He is the first elected Prime Minister of .....

The most famous thought is: “Intelligence is the ability to adapt to .....

Alan Turing is considered by many to be the father of modern computer science. He formed the concept of the algorithms and computations with one of his inventions, the Turing .....

'Belgrade' city of Serbia is known as a white city. But in India, Udaipur is known as a white .....

1. lizard, snake, crocodile, alligator. Reptiles. 2. pearls, ruby, diamond, emerald. Jewels. 3. platinum,gold,silver,copper. Precious metals. 4. rice, maize, wheat, millet. Cereal .....

The deterioration of the environment by natural or human forces is known as environmental degradation. .....

Here, VA = 20m/s VB = 10m/s Now,  Relative velocity of car A with respect to car B = velocity of car A - velocity of car B                              .....

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s = ut + 1⁄2 at2   = 40×6 + 1/2×(-5)×62  = 240 - 90  = 150 .....

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The 12-Point Agreement was made between the Seven Political Parties and Nepal Communist Party (Maoists). In this 12-point agreement, the parties had pledged to work towards democracy, peace, prosperity and social advancement and ending autocratic .....

The deterioration of the environment by natural or human forces is known as environmental degradation. Natural happenings like heavy rain, floods, storms, earthquakes, volcanoes etc. are not under human control and they play havoc with the .....

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The 12-Point Agreement was made between the Seven Political Parties and Nepal Communist Party (Maoists). In this 12-point agreement, the parties had pledged to work towards democracy, peace, prosperity and social advancement and ending autocratic .....

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Have you noticed some plants remain green forever but some plants lose their leaves during certain seasons? Plants that do not lose leaves and remain green forever are called evergreen plants. So what you call those plants whose leaves fall during .....

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Divide the terms in  LHS  You will get sec​4θ + tan​4θ Use formula of a​​​​​​2 + b​​​​​​2 = ( a + b ) 2- 2ab And put sec​​​​2θ - tan2θ = 1 You will get the RHS .....

Valentine's Day, also called Saint Valentine's Day or the Feast of Saint Valentine, is celebrated annually on February .....

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A pronoun is a word that replaces a noun. Let's look at some examples:  1.Sarah is a doctor. She is from India. 2.I and my friend saw a tiger yesterday. We were very scared. 3. The boys played very well. They had practised .....

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To prove  we take cos 3θ = 4cos3 θ - 3cosθ  => 4cos3 θ = cos3θ + 3 cosθ  Taking θ = 20°  => 4cos3 20° = cos60° + 3cos20°  => .....

Here, LHS = 4 sin3A cos3 A + 4cos3A sin3 A 

  = 4( 3sinA - 4 sin3 A ) cos3 A + 4( 4cos3 A - 3cosA ) sin3 A

  = 4{3 sinA cos3 A - 4 sin3 A cos3A + 4 cos3 A sin3 A - .....

You might have learnt that,  sin2A = 2sinA.cosA Now,  LHS = sin8θ           = sin(2.4θ)           = 2.sin4θ.cos4θ Now, further using the formula of sin2A, you .....

Here, cos4θ = 8cos4θ - 8cos2θ + 1 Take LHS = cos4θ                                  [cos 2.2θ = 2cos2 2θ - 1]   .....

Answer: Weight is measured by spring balance. Explanation: The weight of a body is the force with which the earth pulls it. The weight of a body does not remain the same at all places but it is different at different places. The weight of a .....

Mass is measured by physical .....

Living Things Non-living Things 1) Movement – Living things move to find food and keep away from predators, plants move to face the light. 1) Movement –Non -living things do not move. 2) Respiration .....

A relation is a relationship between sets of values. In math, the relation is between the x-values and y-values of ordered pairs. The set of all x-values is called the domain, and the set of all y-values is called the .....

Here, taking LHS,    cos3α cos3α + sin3α sin3α  Using fromula of cos3α & sin3α , we get = cos3α( 4 cos3α-3cosα ) + sin3α( 3sinα - 4sin3α)  = .....

All the organs of our body are equally important. They all have their own functions. So, all the organs are best on thier own .....

Take LHS,  LHS = tan 4θ          = (2tan2θ)/(1 - tan22θ)    [tan2.2a = (2tan2a)/(1 - tan22a)]          Put tan2θ = (2tanθ)/(1 - tan2θ)  You .....

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(+2) × (+3) = 2 × 3 multiply you will get .....

For example, cost of 1 apple is Rs.5 And we need to find cost of 10 apple. So,          Cost of 10 apple =  10 ⨉ cost of 1 apple.                     .....