Consider the following actions: 1. Detection of car crash/collision which results in the deployment of airbags almost instantaneously 2. Detection of accidental free fall of a laptop towards the ground which results in the immediate turning off of the hard drive 3. Detection of the tilt of the smartphone which results in the rotation of display between portrait and landscape mode In how many of the above actions is the function of accelerometer required?
Select an option to reveal the answer and explanation.
A hard Science & Technology multiple-choice question from UPSC Prelims 2023. Attempt it above, then check the correct answer and detailed explanation below.
Show correct answer & explanation
Correct answer: C. All three
All three rely on an accelerometer — it senses the sudden deceleration in a crash (airbag deployment), the free-fall of a laptop (hard-drive protection), and the tilt of a smartphone (screen rotation).
Practise writing a full Science & Technology answer and get it graded by our AI examiner — free.
More Science & Technology questions
Which one of the following words/phrases is most appropriately used to denote "an interoperable network of 3D virtual worlds that can be accessed simultaneously by millions of users, who can exert property rights over virtual items"?
Consider the following materials: 1. Agricultural residues 2. Corn grain 3. Wastewater treatment sludge 4. Wood mill waste Which of the above can be used as feedstock for producing Sustainable Aviation Fuel?
"Membrane Bioreactors" are often discussed in the context of:
Recently, the term "pumped-storage hydropower" is actually and appropriately discussed in the context of which one of the following?
Which one of the following is the exhaust pipe emission from Fuel Cell Electric Vehicles, powered by hydrogen?
In which of the following are hydrogels used? 1. Controlled drug delivery in patients 2. Mobile air-conditioning systems 3. Preparation of industrial lubricants Select the correct answer using the code given below: