An F note has a frequency of 698.46 Hz. Calculate its wavelength in meters. Sound travels at 343 m/s

Question 3 options:

2.04 m

0.491 m

2.04 ft

0.491 ft

Which accurately compares concave and convex lenses?

14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions