Refractive index, Refractive index: The most important optical measurem...

Refractive index: The most important optical measurement for any transparent material is its refractive index (n). The refractive index is the ratio of the speed of light (c)

Whomehole, What is whomehole and how it

What is whomehole and how it

Determine the final velocity, A charge q of mass m starting from rest is al...

A charge q of mass m starting from rest is allowed to move between two plates having a potential difference of V volt. Determine the final velocity of it? Repulsion is the sure

Why does the sky appear blue in colour, Q. Why does the sky appear blue in ...

Q. Why does the sky appear blue in colour? As-per to the Rayleigh's scattering law the shorter wavelengths are scattered much more than the longer wavelengths. The blue look o

Digital image, What is the raw file size for an image of 80 rows and 100 co...

What is the raw file size for an image of 80 rows and 100 columns, with pixels on 14 bits and with an extra row for the header? The minimum and maximum values observed in a  low

Calculating distance in m light travels in 1yr, Example 1:How far in meters...

Example 1:How far in meters does light travel in one year? Solution: 299,792,458m x 31,557,600s =9.461 x 10 to the power of15 Question, while i understand the above, why can we

Acceleration on the earth, Do objects of different weights fall with same a...

Do objects of different weights fall with same acceleration on the earth? Yes , objects fall with the similar acceleration regardless of their weights at the surface of earth,

Forces and nature,

How much time is required to get a total charge, If 10 9 electrons move ou...

If 10 9 electrons move out of a given body to another body every second, how much time is required to get a total charge of 1C of the other body? ------------------------------

Compare the emf and the potential difference, Q. Compare the emf and the po...

Q. Compare the emf and the potential difference . Comparison of emf and potential difference 1. The difference of potentials among the two terminals of a cell in an open cir