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If an object changes its position with respect to its surroundings with time, then it is called in motion.
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Faraday’s constant is defined as the amount of charge required to liberate a gram equivalent of a substance during the process of electrolysis.
It is total charge on 1 mole of electrons. It is unit of charge.
1 F = 6.023 × 1023 × 1.6023 × 10-19 C = 96500 C
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- Yeasts
A unicellular fungus which includes baker's yeast. Yeast can also be found in pharmacies as probiotic which can help prevent diarrhea. There is also yeast that can be damaging to the human body. When present in the mouth, esophagus, bowel and ******, it can cause yeast infections in people with low immune systems. If it invades the blood yeast can be fatal
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Mushrooms
A fleshy, spore-bearing fruiting body of a fungus, typically produced above ground on soil or on its food source. It typically consists of a stem, cap and gills. Some are harmful and some are not. Some mushrooms are edible and have successfully been cultivated for human consumption. A mushroom develops from a nodule, or pinhead, less than two millimeters in diameter. Many species of mushrooms seemingly appear overnight, growing or expanding rapidly. In reality all species of mushrooms take several days to form primordial mushroom fruit bodies, though they do expand rapidly by the absorption of fluids.
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Gaurav Seth 5 years, 3 months ago
u=0m/s; t=4sec; g=10m/s;h=?
let us use :h=ut+1/2gt^2
h=(0×4)+1/2×10×4×4
h=10×4×2
h=80
therefore the height of the tower is 80meter.
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Yogita Ingle 5 years, 3 months ago
- Huygens principle states that each point of a wavefront is the source of secondary wavelets (small waves) which spread in all directions with the speed of the wave.
- The new wavefront is formed by drawing a line tangent to all the wavelets.
For example:-
- If a stone is thrown in the river,waves will be formed surrounding that point.
- These waves look like concentric circles and they are known aswavefronts.
- The wavefronts gradually spread in all the directions.
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Gaurav Seth 4 years, 8 months ago
A block of mass m is suspended by a light thread from an elevator. the elevator is accelerating upward with uniform acceleration ‘a’.
we know, Newton's law doesn't valid in non-inertial frame of reference. so, we have to add Psuedo force just opposite direction of it motion to make inertial frame of reference.
so, tension in the thread = mg + ma→ [ Psuedo force]
tension = m(g + a)
now, we have to find displacement of elevator.
use formula, S = ut + 1/2 At²
here A is net acceleration acts on elevator.
here u = 0, A = a [ upward direction]
so, S = 0 + 1/2 at²
hence, displacement is 1/2at²
now, workdone = Tension × displacement
= m(g + a) × 1/2 at²
= 1/2 m(g + a)at² Joule
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