Which of the following pairs of rays shows the widest sep...
Which of the following pairs of rays shows the widest separation in the spectrum of white light?
green and blue
orange and indigo
blue and violet
red and yellow
Correct answer is B
No explanation has been provided for this answer.
In the absence of gravitational force, the weight of the body is ...
For which of the following sets are the units fundamental? ...
In an elastic collision I. Energy is conserved II. Energy is decreased III. Energy is increased...
Which of the following electromagnetic waves has the shortest wavelength? ...