A and B, please! Thank you.

Chapter 16: Electromagnetic Waves Begin Date: 6/7/2022 12:01:00 AM -- Due Date: 8/5/2022 11:59:00 PM End Date: 8/7/2022 11:59:00 PM (6%) Problem 12: TV-reception antennas for VHF are constructed with cross wires supported at their centers, as shown in the figure. The ideal length for the cross wires is one-half the wavelength EXPERT to be received, with the more expensive antennas having one for each channel. Suppose you measure the lengths of the wires for particular channels and find them to be 1.96 and 0. 747 m long, respectively. Assignment Status Click here for detailed view theexpertta.com Problem Status Partial N Completed 3 Completed *50% Part (a) What is the frequency, in hertz, of the first channel? Grade Summary 4 Completed f1 = 1| Deductions 0% 5 Partial Potential 100% 6 Partial sin() cos() tan() 7 8 9 HOME Submissions Attempts remaining: 34 J Partial cotan() asin() acos() E 6 (0% per attempt) 8 Partial atan() acotan() sinh() 3 detailed view 9 Partial 0% cosh() tanh() cotanh() + O END 10 Partial Degrees O Radians VC BACKSPACE DEL CLEAR 11 Partial 12 Partial Submit Hint Feedback I give up! 13 Completed Hints: 0% deduction per hint. Hints remaining: 2 Feedback: 0% deduction per feedback. 14 Partial 15 Partial 4 50% Part (b) What is the frequency, in hertz, of the second channel? 16 Partial