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The half-life of an isotope of an element is 5 days. The mass of a 10 gram sample of this isotope remaining after 20 days is: a) 0.312 grams b) 0.625 grams c) 1.25 g
Q. An X-ray diffraction of a crystal gave a closest line at an angle of 6o27'. If the wavelength of X-ray is 0.58Ao, find the distance between the two cleavage planes. 2d Sinθ
Working of nicol prism and its uses as polarizer and analyzer
Reverse Characteristic of a Zener diode Reset voltage to zero. Connect zener diode as shown in fig. and reverse characteristics are demonstrated in fig. Raise voltag
Positive charge on n-side of the junction Some of the free electrons move across the junction from n-type to p-type, leaving behind positive donor ions as they
Bernoulli's equation In an irrotational fluid, total of the static pressure, the weight of the fluid per unit mass times the height, & half the density times the velocity squa
The speed at which a wave propagates down a string is 300 meters per second. If the frequency of this wave is 150 Hertz, what is the wavelength of this wave? Ans: The wavel
Q. Can you define Solar Constant? The luminosity of the Sun L is 3.827×10 26 Watts. When the Sun is straight overhead on a clear day how many watts would we expect to illumina
Hard Ferromagnetic Substances: Those substances that do not lose their magnetism or removing from magnetic field are known as hard magnetic substance such as steel.
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