Why Always Same Time ? #short - By Akash Parihar

A year ago Akash’s father’s age was 9 times that of Akash. After 3 years his father's age will be 5 times that of his age. How old will Akash be next year?

Why is it appropriate to call short-day plant a long-night plant ?

Statement-1: Two particles acted by same net force for same time always have same change in kinetic energy. Statement-2: Two particles acted by same net force having same displacement always have same change in kinetic energy.

Why do the chromosomes become short and thick in prophase?