A mechanical wave
glad to help out!
Answer:
its the ultraviolet lights
Answer:within the focal length of the lens, provided the focal length is shorter than the near point distance.
Explanation:Hope it helps
Answer:
Explanation: V = 3 cm/s = 0.03 m/s
BY THE FORmULA OF K.E
K.E = 1/2 mV^2
300 =1/2 m (0.03)^2
m = 300 x 2/0.0009
m= 666666.66kg