Question

the speed of longitudinal wave is 0.3m s-¹ and the seperation between two consecutive refraction is 1.5cm.find the frequency of the wave?​

Answer 1

Answer:

A. Tick (1) the correct answer. 1. The outermost part of a flower is formed by the © petals. b. sepals. c. pollen d. styles 2. Which is the male reproductive part of a flower? a ovule b. gynoecium anther d. androecium 3. Which of the following is not a part of the carpel? a. style c. anther 6 stigma d. ovary a. bud 4. Which of these contains ovules? ovary c. anther d. stigma 5. Which of these is not an agent of pollination? water b. wind c. bird d. soil