Which of the following nuts will not be enclosed in fruits? What are the peculiar characteristics of these plants? Betel nut/Areca nut, Pine nut, Walnut, almond, cashew nut and nutmeg.

Which of the following nuts will not be enclosed in fruits? What are the peculiar characteristics of these plants? Betel nut/Areca nut, pine nut, walnut, almond, cashew nut, nutmeg.

Which of the following nuts will not be enclosed in fruits? Betel nut/Arca nut, pine nut, walnut, almond, cashew nut, nutmeg.

Make two pendulums of the same length with the help of thread and two nuts. Tie another thread in the horizontal position. Tie the two pendulums to the horizontal thread in such a way that they will not hit each other while swinging. Now swing one of the pendulums and observe. What do you see?