Question

what are the seed that are better quality than normal seed​

Answer 1

Explanation:

First calculate the frequency i.e the no of oscillations for 1 sec from the data we know that the frequence is 4 hertz (i.e for 1 sec = 20/5). Now we know time period T= 1/f where f is the frequency therefore Time period (T) = 1/4 = 0.25 sec. Hence, the pendulum requires 0.25 seconds to complete one oscillation.

Answer 2

Answer:

High Yielding Variety Seeds (HYV seeds) are seeds are of better quality than normal quality seeds. The produce from these seeds is a bit more compared to the normal ones. These seeds are a better option of seeds in order to obtain a healthy and surplus crop.