<span>Frequency x Wavelength = Speed of light
Now, speed of light = 3 x 10^5 km/s = 3 x 10^8 m/s = 3 x 10^10 cm/s
Frequency = speed/Wavelength
= (3 x 10^10)/(4.257 x 10^-7)
=7 x 10^16 Hz</span>
Answer:
if this is on odyssey ware then i can edit my answer to help you
Explanation:
Answer: A hot lightbulb gave off white visible light instead of ultraviolet light.
Explanation:
