Which of the following forces is/are fundamental in nature ? 1. Gravitational force 2. Electromagnetic forces 3. Strong and weak nuclear forces Select the correct answer using the code given below :

There are four fundamental forces of nature: gravitational force, electromagnetic force, strong nuclear force, and weak nuclear force. All three listed categories — gravitational, electromagnetic, and strong & weak nuclear forces — are fundamental forces. They cannot be reduced to any simpler interaction. Therefore all three statements are correct and the answer is 1, 2 and 3.