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The passage talks about the metaverse, its applications and its effects on human psychology and behaviour. Throughout the passage, the author expresses concern about the impacts of virtual reality, which makes A the correct answer. The author does not express doubt about anything, which rules out B. The author neither gives positive nor negative predictions about the future of metaverse, which rules out C and D. The author does not adopt a detached or unconcerned attitude about the issue, which will make E incorrect.
If a medium has a critical angle for total internal reflection from the medium to vacuum as 90°, what is the velocity of light in the medium? (Take c =...
A black body at temperature 500 K emits radiation. If its temperature is doubled, by what factor does its emitted power increase?
0°K is equivalent to
Cryogenics is the branch of physics that deals with what?
Electrostatic precipitator is used to control —
What will happen to the volume of ozone, when it is heated?
A body falls freely from a height of 80 m. Time taken to reach the ground is:
X-rays are
The material which can be deformed permanently by heat and pressure is called a: