1. What does AR primarily enhance in a real-world environment?
(A) Sound only
(B) Visuals only
(C) Real-time sensory inputs
(D) Artificial imagination
2. Which device is most commonly associated with immersive VR experiences?
(A) AR glasses
(B) Projector
(C) Head-Mounted Display
(D) Smartphone
3. Which of the following technologies is essential for tracking motion in AR?
(A) Radar
(B) GPS only
(C) Inertial Measurement Unit
(D) Optical fiber sensor
4. What is the main difference between AR and VR?
(A) AR replaces reality; VR augments it
(B) AR is passive; VR is active
(C) AR overlays digital content; VR immerses user in a digital world
(D) AR is for entertainment; VR is for education
5. Which field most actively uses AR for enhanced visualization?
(A) Law
(B) Medicine
(C) Literature
(D) Agriculture
6. In VR systems, which of the following causes motion sickness?
(A) Overhead lighting
(B) Low-resolution display
(C) Latency between user actions and system response
(D) High frame rate
7. What is the role of depth sensing in AR?
(A) Audio processing
(B) Object detection and placement
(C) Reducing display resolution
(D) Wireless communication
8. Which company developed the HoloLens AR headset?
(A) Apple
(B) Microsoft
(C) Google
(D) Meta
9. Which algorithm is commonly used for feature tracking in AR?
(A) K-means
(B) SIFT
(C) Naive Bayes
(D) Decision Tree
10. Which programming language is widely used for developing AR/VR applications in Unity?
(A) Python
(B) C++
(C) Java
(D) C#
11. Which of the following is NOT a component of a VR system?
(A) Input devices
(B) Display devices
(C) Tactile sensors
(D) Oil coolers
12. SLAM in AR stands for:
(A) Structured Learning and Modelling
(B) Simultaneous Localization and Mapping
(C) Spatial Learning and Mapping
(D) Sensory Localization and Manipulation
13. Which of the following is a major challenge in AR systems?
(A) Audio distortion
(B) Incorrect depth estimation
(C) High refresh rate
(D) Simple lighting
14. In VR, what does the term “presence” refer to?
(A) Real-time feedback
(B) Physical attendance
(C) User’s sense of being in the virtual environment
(D) Object visibility
15. Which display is commonly used in VR headsets?
(A) LED Matrix
(B) CRT
(C) OLED
(D) Plasma
16. Which component helps AR applications recognize real-world surfaces?
(A) Barcode scanner
(B) Surface shader
(C) Plane detection algorithm
(D) Magnetometer
17. What is the primary role of computer vision in AR?
(A) Audio synthesis
(B) Image enhancement
(C) Environment understanding and interaction
(D) Light adjustment
18. Which platform is commonly used for AR application development?
(A) Android Studio
(B) ARKit
(C) Blender
(D) Visual Basic
19. Which field has successfully adopted VR for therapy and rehabilitation?
(A) Astronomy
(B) Psychology
(C) Politics
(D) Journalism
20. In AR, occlusion refers to:
(A) Hiding virtual objects behind real objects
(B) Increasing image resolution
(C) Reducing latency
(D) Synchronizing audio
21. Which sensor is typically used for head tracking in VR?
(A) Gyroscope
(B) Thermometer
(C) Microphone
(D) Proximity sensor
22. Which of the following is a limitation of mobile AR applications?
(A) Portability
(B) Power consumption
(C) Ease of development
(D) Hardware independence
23. Which format is commonly used for 3D models in AR/VR?
(A) PNG
(B) MP4
(C) OBJ
(D) DOC
24. Which of these is a key benefit of using AR in industrial maintenance?
(A) Reduced light usage
(B) Real-time guidance and visualization
(C) Manual documentation
(D) Thermal control
25. Which visual cue is critical for depth perception in VR?
(A) Audio clarity
(B) Stereo vision
(C) Text sharpness
(D) Brightness
26. Which software development kit is widely used for creating AR apps?
(A) TensorFlow
(B) ARCore
(C) React Native
(D) Bootstrap
27. Which factor does not directly affect the realism of VR environments?
(A) Field of view
(B) Frame rate
(C) Color depth
(D) Internet speed
28. Which term refers to the blending of physical and digital worlds in AR/VR?
(A) Immersive fog
(B) Mixed Reality
(C) Binary Environment
(D) Optical Translation
29. Which device is commonly used in VR to enable hand interaction?
(A) Joystick
(B) Motion controller
(C) Remote
(D) Barcode reader
30. In AR, marker-based tracking uses:
(A) GPS signals
(B) Visual tags
(C) Audio sensors
(D) Thermal maps
31. In VR, which feature improves immersion the most?
(A) Keyboard input
(B) High-resolution textures
(C) Realistic haptic feedback
(D) Static backgrounds
32. Which of the following is NOT a use case for AR?
(A) Virtual surgery simulation
(B) Real-time translation
(C) Interior design visualization
(D) Simulated spacewalks
33. Which company is known for the Oculus VR headset?
(A) Sony
(B) Microsoft
(C) Meta
(D) Samsung
34. What does FOV stand for in VR systems?
(A) Frequency of Visualization
(B) Focus of Virtuality
(C) Field of View
(D) Factor of Variation
35. Which characteristic is important for reducing motion blur in VR?
(A) Low refresh rate
(B) Small display size
(C) High frame rate
(D) Blue light filter
36. Which type of tracking is required for room-scale VR?
(A) Audio tracking
(B) Eye tracking
(C) Positional tracking
(D) Static tracking
37. Which of these terms refers to user interaction via eye movement in VR?
(A) Touch gesture
(B) Eye tracking
(C) Motion capture
(D) Gaze shifting
38. Which factor is most critical for real-time AR applications?
(A) Database size
(B) System memory
(C) Low latency
(D) Network type
39. Which of these is a spatial computing platform combining AR and VR?
(A) TensorFlow
(B) Magic Leap
(C) PyTorch
(D) TurboSquid
40. Which type of AR uses GPS and compass for information overlay?
(A) Marker-based AR
(B) Projected AR
(C) Location-based AR
(D) Gesture-based AR
41. Which of these is a disadvantage of VR in education?
(A) Increased engagement
(B) High hardware cost
(C) Interactive learning
(D) Realistic simulations
42. Which of these techniques enhances realism in AR visual effects?
(A) Histogram equalization
(B) Shadow rendering
(C) JPEG compression
(D) Binarization
43. What is a common output of AR navigation systems?
(A) Voice-only instructions
(B) 3D overlaid directional arrows
(C) Binary map data
(D) Route timestamps
44. What is a common challenge in VR training simulations?
(A) Lack of interactivity
(B) Unrealistic lighting
(C) Cybersickness
(D) High speed
45. Which of the following is true about holographic AR?
(A) It is completely virtual
(B) It projects 2D images
(C) It enables 3D object visualization
(D) It ignores real-world cues
46. Which file format is often used for animations in VR environments?
(A) MP3
(B) FBX
(C) DOCX
(D) TXT
47. What is the purpose of spatial audio in VR?
(A) Reduce echo
(B) Localize sound sources realistically
(C) Save memory
(D) Remove background music
48. Which of these is typically used for gesture recognition in AR?
(A) IR camera
(B) Microphone
(C) Stylus pen
(D) Light bulb
49. Which AR application assists in trying clothes virtually?
(A) AR surgery
(B) Virtual fitting room
(C) VR training module
(D) Avatar gaming
50. Who enables real-time environmental understanding in AR applications using a depth sensor?
(A) LiDAR
(B) LED
(C) LCD
(D) HDMI
