Category: Physics

What are the four bases in DNA? Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups. Attached to each sugar is one of four bases–adenine (A), cytosine (C), guanine (G), or thymine (T). Which of these is are pyrimidines ?\? While thymine, cytosine, and uracil are all pyrimidines, only thymine and […]

Which soil is known as black soil? black soils known locally as regur. After those the alluvial soil is the third most-common type. Also significant are the desert soils of Rajasthan, the saline soils in Gujarat, southern Rajasthan, and some coastal areas, and the mountain soils of the Himalayas. The type of soil is determined […]

What is the formula for finding the area of a rectangle? The area of any rectangle is calculated, once its length and width are known….Area of Rectangle Formula. The formula for the Area of a Rectangle The perimeter of a Rectangle P= 2(l + b) Area of a Rectangle A = l × b Is […]

What is the frequency and wavelength of a photon emitted during a transition from n 5 state to? What are frequency and wavelength of a photon emitted during a transition from n=5 state to n = 2 state in hydrogen atom? As n1= 2 and n2 = 5, this transition gives rise to a spectral […]

Which is one of the big ideas that guides earth science? Big Idea 1: Earth scientists use repeatable observations and testable ideas to understand and explain our planet. Big Idea 2: Earth is 4.6 billion years old. Big Idea 3: Earth is a complex system of interacting rock, water, air and life. Big Idea 4: […]

How much golf balls are on the moon? There currently are two golf balls on the Moon. How far could you throw a football on the moon? 350 meter Can you see a football field from space? 2), but here is one view you can only get from a satellite: The Super Bowl stadium as […]

What are the advantages of Tides Class 7? Advantages of High Tide: They help in navigation. They raise the water level close to the shores and help the ships to arrive at the harbor more easily. They help in fishing. More fish come closer to the shore during high tides. What is the importance of […]

Which of the following is an example of scientific law? An example of a scientific law is the law of conservation of mass, which states that matter is neither created nor destroyed in a chemical reaction. What are some examples of scientific laws? Other examples of laws in physical science include: Newton’s first law of […]

Can bullet fire if dropped? So no, a cartridge / bullet will not fire on dropping on the ground. For a cartridge to go off, the small cap at the base of the cartridge (the primer) needs to be struck by a hammer or firing pin – such is the firing mechanism of all conventional […]

How is nanotechnology removed from the body? Even insoluble nanoparticles which reach the finely branched alveoli in the lungs can be removed by macrophage cells engulfing them and carrying them out to the mucus, but only 20 to 30 per cent of them are cleared in this way. Nanoparticles in the blood can also be […]