Can u help me with answering these: 4. electromagnetic wavelengths immediately outside the violet end of the visible range
6. all of the frequencies or wavelengths of electromagnetic radiation

Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod

Work out sian speed for the first 30 minutes of her journey. give your answer in km/h.

Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire