Class- 7th Chapter 10: Augmented Reality and Virtual Reality

 Chapter 10: Augmented Reality and Virtual Reality

 Exercises (Pgs. 176-178) 

A. Tick (✓) the correct answers. 

1. b 

2. b 

3. b 

4. c 

5. b 

B. Fill in the blanks. 

1. immersion 

2. Spectacles 

3. QR codes 

4. real 

5. navigation 

C. Write T for True and F for False. 

1. True

2. True

3. False

4. False

5. True

A.    Answer the following questions in Short . 

Q.1    What is Augmented Reality ? What is the main purpose of Augmented Reality in enhancing user Experiences ? 

Ans:-     Augmented reality (AR) overlays interactive digital images and information onto the real world, enhancing perception. Using smartphones or headsets, users can view virtual objects, like furniture, seamlessly integrated into physical surroundings in real time.

Q.2    Explain how virtual Reality works . What kind of equipment do you need to use it ? 

Ans:-    Virtual Reality works by creating a computer-generated 3D environment viewed through a VR headset. Sensors track head and hand movements, updating visuals instantly. Required equipment includes a VR headset, motion controllers, tracking sensors, and sometimes a powerful computer or gaming console.

Q.3    Different between AR and VR . 

Ans:-    Augmented Reality (AR): - Augmented Reality is a technology that overlays digital images, information, or objects onto the real-world environment, enhancing what users see and interact with without replacing the physical surroundings.

Virtual Reality (VR):- Virtual Reality is a technology that creates a fully computer-generated environment that completely replaces the real world, allowing users to experience and interact within a simulated digital space.

Q.4    Explain any three types of Augmented Reality  . 

Ans:-    Augmented Reality Type :

1. Marker-Based AR: Uses printed markers or images to trigger and display digital content.

2. Markerless AR: Uses GPS and sensors to place virtual objects without physical markers.

3. Projection-Based AR: Projects digital images onto real surfaces and allows interaction.

 Q.5    List three uses each of Augmented Reality and Virtual Reality . 

Ans:-   Uses of Augmented Reality (AR):- 

1. Virtual furniture placement in rooms before purchase.

2. Navigation with real-time directions overlay.

3. Interactive learning in education and training.

Uses of Virtual Reality (VR):- 

1. Immersive gaming experiences.

2. Virtual training for medical, military, or industrial purposes.

3. Virtual tourism and exploration of distant locations.