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√(24²+285-8²-172) = ?² ⇒√(576+285-64-172) = ?² ⇒√625 = ?² ⇒25 = ?² ? = 5
What is the velocity of light in a diamond if the refractive index of diamond with respect to vacuum is 2.5?
How does the angle of minimum deviation of a glass prism of refractive index 1.5 change, if it is immersed in a liquid of refractive index 1.25?
Focal length of a concave lens with power –2 D:
For a non-relativistic particle, the ratio of phase velocity to group velocity of de Broglie waves is:
________ are the elements of group 18.
In order to use the transistor as an amplifier, it has to operate in the____ region
What is colour of light related to?
Which of the following is not a vector quantity?
