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Snell's Law:
The ratio of sine of angle of incidence to the sine of angle of refraction is constant for all rays passing from one medium to another medium.
That is Sini/Sinr = Constant
This is known as a Snell's law.
Poisson spot (S.D. Poisson) Originally Poisson predicted the existence of such spot, and utilized the prediction to revel how the wave theory of light have to be in error to g
Write down a short note on the discovery of neutron. Show the uses of radioisotopes.
As shown in the figure below, a bubble of gas with a volume of 1.20 cm3 is released under water. As it rises to the surface, the temperature of the bubble enhances from 27°C to
Determine q, q = ax2¬- 2by + c2z2 where a, b and are c are constant at (1, -2, 3)
What are the objectives to know about working of ultrasonics? Objectives of ultrasonics: a. Understand the term ultrasonics. b. Describe the principle, working and constr
Determine the inductance of a solenoid of 2000 turns round uniformly over a length of 50 cm on a cylindrical paper tube 4 cm in diameter. The medium is air.
What is time? 1. This is the question that each true scientist dreads to be asked especially in a public setting by extremely inquisitive young learners. We have learned to ca
An isotope of iodine (Z = 53) is used to treat thyroid conditions. Its mass number is 131. How many neutrons are in its nucleus? 131 - 53 = 78 neutrons
For germanium the forbidden gap is (A) 0.15ev. (B) 0.25ev. (C) 0.5ev. (D) 0.7ev. Ans: For germanium the forbidden gap is 0.7ev.
Will there be any change in hz of sound if two vibrating body has the similar hz Ans) Yes it depends on the path difference among them... Like in destructive inteference u
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