38*10=380 N
To be more exact, 38 should be multiplied by 9.8 instead of 10.
Answer:
I would think the answer is color, if the wavelength is within the visible light spectrum. This could be answered in different ways but I'm pretty sure the answer you are looking for is hue/color.
C. isotope
Isotopes have the same atomic number but different mass number because of the difference in the number of neutrons in the nucleus of the atom.
Answer:
The polarity of electromagnet also gets reversed when the direction of current is reversed. The current flows from negative terminal to positive terminal in an electromagnet due to the flow of electrons so polarity is also established in the electromagnet. As, the current direction is reversed, the polarity of magnet also gets reversed because the polarity of magnet depends on the direction of the current.
From the choices provided, the better answer is ' T ' .
