What are the fundamental forces in nature ?

What one are the fundamental forces?

Which of the following forces is not fundamental force in nature 1. Gravitational force 2.Electromagnetic force 3.Strong nuclear force 4.Tension?

Assertion : The elastic spring force arises due to the net attraction or repulsion between the neighbouring atoms of the spring when it is elongated of compressed. Reason : The laws of derived forces such as spring force, friction force are independent of the laws of fundamental forces in nature.

Name the different forces in nature.

What are the fundamental methods of reproduction?

What are the fundamental quantities and supplementary quantities is S.I.? Give their units.

What are the fundamental units in S.I. system ? Name them along with their symbols.

Find the fundamental frequency and nature of organ pipe if it gives 3 consecutive notes of frequencies 255Hz, 425Hz, 595Hz

Fundamental unit of nature is