Why sun seems to be a red colour while sun-rising and sun-
setting?
Answer / jibu alex
During sunset and sun rise the light rays from sun has to
travel a long distance through the atmosphere. Durig this
travelling short wave radiations like violet and blue
becomes scattered and did not reach the lower atmosphere.
Long wave radiations like red undergo low ascattering at
high altitudes and reach the lower attmosphere so we can
see the atmosphere as in red colour
Is This Answer Correct ? | 13 Yes | 0 No |
we know in mathematics that a matrix is an arrangement (array) of different elements , memebers . Then, how does the movie "Matrix" relate with this concept. In movie "Matrix" we have seen that it shown a war between machines & humans. And we know to operate machines we need code like 0 1 & 1 0 . How ? explain ?
Which of the following are the ingredients of gun metal? 1 Iron, Tin 2 Copper, Tin 3 Iron, Brass, Tin 4 Iron, Zinc, Titanium
The isotope of uranium capable of sustaining chain reactions is 1 U-235 2 U-238 3 U-239 4 None of these
The first synthetic fiber made by man was 1 Rayon 2 Nylon 3 Polyester 4 Terycott
According to Dalton’s atomic theory, the smallest particle which can exist independently is 1 An atom 2 A molecule 3 A cation 4 An anion
The difference between a nuclear reactor and an atom bomb is that 1 No chain reaction takes place in nuclear reactor while in the atomic bomb there is a chain reaction 2 No chain reaction takes place in atomic bomb while it takes place in a nuclear reactor 3 The chain reaction in nuclear reactor is controlled 4 None of these
Why is it necessary to cook food ?
How does common salt help in separating soap from the solution after saponification? 1 By decreasing solubility of soap 2 By increasing solubility of soap 3 By decreasing density of soap 4 None of these
Of the various forms of carbon, the one which is used for adsorption purpose, is 1 Diamond 2 Graphite 3 Coke 4 Wood charcoal
What are quasars?
What are the divisions of food according to the functions it performs ? Describe them
The element nickel is a 1 Magnetic metal 2 Radioactive metal 3 Non magnetic metal 4 Complex element