Is black hole faster than light?

Is black hole faster than light? Using NASA’s Chandra X-ray Observatory, astronomers have seen that the famous giant black hole in Messier 87 is propelling particles at speeds greater than 99% of the speed of light. What is faster sound or light? The speed of light as it travels through air and space is much […]

What affects the magnitude of EMF?

What affects the magnitude of EMF? The magnitude of the induced current depends on the rate of change of magnetic flux or the rate of cutting of the magnetic field lines. What are the factors affecting the emf of a cell? E.m.f. of a cell depends upon the material of electrodes and electrolyte used in […]

What are the advantages of digital over analog?

What are the advantages of digital over analog? Advantages of Digital Communication Digital circuits are more reliable. Digital circuits are easy to design and cheaper than analog circuits. The hardware implementation in digital circuits, is more flexible than analog. The occurrence of cross-talk is very rare in digital communication. What is an example of analog? […]

Why is Ram of chlorine not a whole number?

Why is Ram of chlorine not a whole number? Answer: The reason for the atomic mass of chlorine taken as 35.5u and not as 35u because of the presence of isotopes. Isotopes are defined as variants of a particular element where these variants will have the same number of protons but differ in the number […]

Does Mars have high radiation?

Does Mars have high radiation? Radiation on Mars Mars’s surface receives more radiation than the Earth’s but still blocks a considerable amount. Radiation exposure on the surface is 30 µSv per hour during solar minimum; during solar maximum, dosage equivalent of this exposure is reduced by the factor two (2). Do cell phones affect your […]

Why do veins carry blood at low pressure?

Why do veins carry blood at low pressure? The walls of veins have the same three layers as the arteries. Although all the layers are present, there is less smooth muscle and connective tissue. This makes the walls of veins thinner than those of arteries, which is related to the fact that blood in the […]

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