Nobel Prize winning scientist James D. Watson is known for his work in which area?
Prelims
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Science and Technology › Nobel Prizes
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Science and Technology › Nuclear Energy Technology
Science and Technology › Nuclear Energy Technology
With reference to radioisotope thermoelectric generators (RTGs), consider the following statements:
1. RTGs are miniature fission reactors.
2. RTGs are used for powering the onboard systems of spacecrafts.
3. RTGs can use Plutonium-238, which is a by-product of weapons development.
Which of the statements given above are correct?Options
Answer
(B)
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Science and Technology › Nuclear Energy Technology
To meet its rapidly growing energy demand, some opine that India should pursue research and development on thorium as the future fuel of nuclear energy. In this context, what advantage does thorium hold over uranium?
1. Thorium is far more abundant in nature than uranium.
2. On the basis of per unit mass of mined mineral, thorium can generate more energy compared to natural uranium.
3. Thorium produces less harmful waste compared to uranium.
Which of the statements given above is/are correct?Options
Answer
(D)
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Science and Technology › PhysicsXGeneral
Science and Technology › PhysicsXGeneral
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 smart phone 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?Options
Answer
(C)
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Science and Technology › PhysicsXGeneral
In a pressure cooker, the temperature at which the food is cooked depends mainly upon which of the following?
1. Area of the hole in the lid
2. Temperature of the flame
3. Weight of the lid
Select the correct answer
using the code given below.Options
Answer
(C)