Speed of light is 3.0*10^8
frequency = wavelength / speed
= 1400 Hz
Answer:
Explanation:
6. When insulating materials rub against each other, they may become electrically charged .
7. Charging by conduction involves the contact of a charged object to a neutral object.
8. Grounding is the process of removing the excess charge on an object by means of the transfer of electrons between it and another object of substantial size.
9. Grounding is the process of removing the excess charge on an object by means of the transfer of electrons between it and another object of substantial size.
Answer:
soe are appearance, texture, color, odor, melting point, boiling point, density, solubility, polarity, and many other
Explanation:
H2SO4 (1) H20 (g) + SO3 (g)