Which of the following pairs of colours gives the widest ...
Which of the following pairs of colours gives the widest separation in the spectrum of white light?
Red and Violet
Green and Yellow
Red and Indigo
Yellow and Violet
Correct answer is A
No explanation has been provided for this answer.
If the frequency of an emitted x-ray is 1.6 x 1016Hz, the accelerating potential is? [e = 1....
The optical instrument which is suitable for viewing a nearby objects is ………..?...
A projectile attains its maximum height when the angle of projection is? ...
The region around a magnet in which magnetic force can be expressed is known as ...
A current carrying conductor experiences a force when placed in a magnetic field because the ...
Which of the following statement is TRUE of ultraviolet, visible and infra-red rays? ...