Explanation:
To a reaction to be occured
The formula is
IE is internal energy of reactant and AE is activation energy and TE is threshold energy .
So option D is correct
Answer:
violet
Red has the longest wavelength and violet has the shortest wavelength. When all the waves are seen together, they make white light. Ultraviolet (UV) light—is radiation with a wavelength shorter than that of visible light, but longer than X-rays, in the range 10 nm to 400 .
Explanation:
I’m pretty sure it’s single replacement