Q. 2. What is meant by "critical mass" in a nuclear reactor ?
A. The mass at which uranium becomes radioactive.
B. The minimum amount of fissile material required to sustain a chain reaction.
C. The weight of nuclear fuel rods in a reactor.
D. The total mass of a nuclear reactor
A. The mass at which uranium becomes radioactive.
B. The minimum amount of fissile material required to sustain a chain reaction.
C. The weight of nuclear fuel rods in a reactor.
D. The total mass of a nuclear reactor
Q.3. Consider the following statements regarding Graphene :
1. It is composed of a single layer of carbon atoms.
2. It is harder than diamond yet more elastic than rubber.
3. It is one of the thinnest but strongest materials tested so far.
1. It is composed of a single layer of carbon atoms.
2. It is harder than diamond yet more elastic than rubber.
3. It is one of the thinnest but strongest materials tested so far.
Select the correct answer code :
Anonymous Quiz
22%
A. 1 and 3 only
30%
B. 2 and 3 only
16%
C. 3 only
32%
D. All of the above
Q.1. ‘Presidio Principles’ recently seen in news, related to :
A. Blockchain
B. Nanotechnology
C. Biotechnology
D. Nuclear technology
A. Blockchain
B. Nanotechnology
C. Biotechnology
D. Nuclear technology
Q.2. ‘Artificial Sun’ seen in news, related to :
A. India
B. USA
C. China
D. Russia
A. India
B. USA
C. China
D. Russia
Q.3 .Consider the following matches :
1. Project Netra - Detect debris
2. Tri Netra - Missile tracker
3. Sindhu Netra - Satellite
1. Project Netra - Detect debris
2. Tri Netra - Missile tracker
3. Sindhu Netra - Satellite
Select the correct answer code :
Anonymous Quiz
17%
A. 1 and 3 only
26%
B. 2 and 3 only
17%
C. 3 only
39%
D. All of the above
Q.1. Consider the following statements regarding ‘Non fungible tokens (NFTs)' :
1. Anything that can be converted into a digital form can be an NFT.
2. NFT works on blockchain as it gives users complete ownership of a digital asset.
3. NFTs are non-fungible, that means the value of one NFT is not equal to another
1. Anything that can be converted into a digital form can be an NFT.
2. NFT works on blockchain as it gives users complete ownership of a digital asset.
3. NFTs are non-fungible, that means the value of one NFT is not equal to another
Select the correct answer code :
Anonymous Quiz
15%
A. 1 and 2 only
39%
B. 2 and 3 only
21%
C. 1 and 3 only
26%
D. All of the above
Q.2. Consider the following statements :
1. Ballistic missiles propelled only for a brief duration after the launch.
2. They are similar to a jet engine which helps to travel in outer space.
3. Prithvi and Agni missiles are ballistic missiles
1. Ballistic missiles propelled only for a brief duration after the launch.
2. They are similar to a jet engine which helps to travel in outer space.
3. Prithvi and Agni missiles are ballistic missiles
Select the correct answer code :
Anonymous Quiz
13%
A. 1 and 2 only
26%
B. 2 and 3 only
33%
C. 1 and 3 only
28%
D. All of the above
Q.3. Consider the following statements regarding MIRV technology seen in the news recently :
1. It is the ability to carry multiple warheads on a single missile.
2. India became the first country to develop MIRV technology
1. It is the ability to carry multiple warheads on a single missile.
2. India became the first country to develop MIRV technology