3106: Water hyacinth is related to:
(a) Lemna
(b) Pistia
(c) Eichhornia
(d) None of these
3107: 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-phone or PC.
4. VR closes the world, and transposes an individual, providing complete immersion experience.
Which of the statements given above is/are correct?
(a) 1 and 2 only
(b) 3 and 4
(c) 1, 2 and 3
(d) 4 only
3108: Assertion (A):
A piece of copper and a piece of glass are heated to the same temperature. When touched, thereafter, the copper piece appears hotter than the glass piece.
Reason (R):
The density of copper is more than that of glass.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is NOT a correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
3109: "You might see a few curious Danes around, but that is because ........ used to be Danish outpost. This quaint town with its fort and a beautiful church, the New Jerusalem, empty streets and deserted beach front is a quaint gem." The place referred to in this quotation lies on the
(a) Tamil Nadu coast
(b) Kerala coast
(c) Karnataka coast
(d) Goa coast
3110: What does the term Dolby B, or Dolby C printed on tape recorders and other sound system refer to?
(a) Frequency modulated system
(b) Amplitude modulated system
(c) Noise reduction circuit
(d) Both DC and AC power can be used.