In the context of digital technologies for entertainment, consider the following statements:

1. In Augmented Reality (AR), a simulated environment is created and the physical world is completely shut out.

2. In Virtual Reality (VR), images generated from a computer are projected onto real-life objects or surroundings.

3. AR allows individuals to be present in the world and improves the experience using the camera of smart-phones or PC.

4. VR closes the world, and transposes an individual, providing complete immersion experience.

Which of the statements given above is/are correct?

The correct option is 3 and 4 only.

Let us analyze each statement step-by-step to understand the differences between Augmented Reality (AR) and Virtual Reality (VR):

1. Statement 1: "In Augmented Reality (AR), a simulated environment is created and the physical world is completely shut out."
This statement is incorrect. In Augmented Reality (AR), digital elements (such as images, text, or graphics) are overlaid onto the real world. It does not shut out the physical world. Instead, shutting out the physical world to create a completely simulated environment is the characteristic feature of Virtual Reality (VR).

2. Statement 2: "In Virtual Reality (VR), images generated from a computer are projected onto real-life objects or surroundings."
This statement is incorrect. VR creates an entirely artificial, computer-generated digital environment where the physical surroundings are not visible. Projecting computer-generated images onto real-life objects or surroundings describes Augmented Reality (AR) or Mixed Reality (MR), not VR.

3. Statement 3: "AR allows individuals to be present in the world and improves the experience using the camera of smart-phones or PC."
This statement is correct. AR enhances a user's real-world environment by adding digital information, graphics, or sounds on top of the live view, typically accessed via cameras on smartphones, tablets, or smart glasses.

4. Statement 4: "VR closes the world, and transposes an individual, providing complete immersion experience."
This statement is correct. VR completely replaces the user's real-world environment with a simulated, immersive 3D digital environment, usually experienced using VR headsets/goggles.

Therefore, only statements 3 and 4 are correct.