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Quantum Mechanics II - SS3 Physics Past Questions and Answers - page 2

11

What are quantum operators?

Quantum operators are mathematical entities that operate on quantum states to produce new states. These operators represent physical observables such as position, momentum, and energy, and they are represented by Hermitian matrices.

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12

Which of the following is a potential application of quantum computing?

A

Faster data encryption

B

Faster data decryption

 

C

Faster data transmission

D

Faster data storage

correct option: a
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13

Quantum cryptography is based on the principles of:

 

A

Heisenberg uncertainty principle

B

Schrodinger equation

C

Quantum tunnelling

D

Entanglement

correct option: d
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14

Quantum metrology refers to the use of quantum mechanics for:

 

A

Making more accurate measurements

B

Sending information faster

C

Storing information more efficiently

D

Encrypting information

correct option: a
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15

Which of the following is an application of quantum sensing?

A

Detecting changes in magnetic fields

B

Storing large amounts of data

C

Transmitting data over long distances

D

Encrypting data

correct option: a
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16

Quantum simulation involves using quantum computers to:

A

Simulate quantum mechanical systems

B

Simulate classical mechanical systems

 

C

Simulate biological systems

D

Simulate weather patterns

correct option: a
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17

Quantum communication refers to the use of quantum mechanics for:

A

Secure data transmission

 

B

Faster data transmission

C

Data storage

D

Data encryption

correct option: a
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18

What is quantum communication?

Quantum communication uses the principles of quantum mechanics to secure communications. It has applications in fields such as finance, military, and government communications.

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19

What is quantum cryptography?

 

Quantum cryptography is a technique that uses the principles of quantum mechanics to secure communications. Unlike classical cryptography, which can be broken by mathematical algorithms, quantum cryptography is inherently secure.

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