*🪼DT BREAKFAST CHEMISTRY (QUESTION)💫👌👀💯

*In the context of quantum mechanics, which of the following principles states that it is impossible to simultaneously know the exact position and exact momentum of a particle with unlimited precision?*

A) Heisenberg Uncertainty Principle
B) Pauli Exclusion Principle
C) Schrödinger's Cat Principle
D) Bohr's Correspondence Principle

*EXPLANATION* 👌
The correct answer is option A✅

Heisenberg Uncertainty Principle

The Heisenberg Uncertainty Principle is a fundamental concept in quantum mechanics proposed by *Werner Heisenberg.*

It states that there is a fundamental limit to how precisely we can simultaneously know certain pairs of properties of a particle, such as its position and momentum.

Mathematically, it can be expressed as follows:

Δx * Δp ≥ ħ / 2

Where:
Δx = Uncertainty in position
Δp = Uncertainty in momentum
ħ (h-bar) = Reduced Planck's constant, approximately equal to 1.0545718 x 10^-34 J·s

This principle implies that the more accurately we know the position of a particle, the less accurately we can know its momentum, and vice versa. In other words, the more precisely we try to measure one of these properties, the more uncertain our measurement of the other property becomes.

This inherent uncertainty at the quantum level is not due to limitations in measurement technology but is a fundamental aspect of the nature of particles and waves.

The other options mentioned:

B) Pauli Exclusion Principle: This principle states that no two identical fermions (particles with half-integer spin) can occupy the same quantum state simultaneously.

C) Schrödinger's Cat Principle: This is not a recognized principle in physics but rather refers to a thought experiment illustrating the concept of superposition in quantum mechanics.

D) Bohr's Correspondence Principle: This principle states that the predictions of classical physics should match those of quantum mechanics in the limit of large quantum numbers.

Hence, the Heisenberg Uncertainty Principle is the principle in quantum mechanics that asserts the impossibility of simultaneously knowing both the exact position and exact momentum of a particle with unlimited precision.

This principle is a fundamental aspect of quantum uncertainty and has profound implications for our understanding of the behavior of particles on a very small scale.
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*DT BREAKFAST ENGLISH LANGUAGE 📝💫✌️ STUDY AND DIGEST* 😋🔥🙇

PHRASAL VERBS

✔️ Back away : Retreat or go backwards.
Example: The crow *backed away* when the man pulled a knife.
✔️ Back down : Retract or withdraw your position or proposal in an argument.
Example: She refused to back down and was fired.
✔️ Back into : Enter a parking area in a reverse gear.
Example: He prefers to *back* his car *into* the garage.
✔️ Back off : Retreat.
Example: The police told the protesters to *back off*.
✔️ Back out: Failure to keep an arrangement or promise.
Example: He *backed out* two days before the holiday, so we gave the tickets to his sister.
✔️ Be taken aback : Be shocked or surprised.
Example: I was *taken aback* because he's lost all his hair.
✔️ Bolster up : Give support, reinforce, strengthen.
Example: We were all scared but she *bolstered up* our courage.
✔️ Book in: Check in at a hotel.
Example: We took a taxi from the airport to a hotel and *booked in*.
✔️ Brace up: Feel more confident or optimistic about something.
Example: You should *brace up*
and stop worrying.
✔️ Bottle out : Lack courage to do something.
Example : She was going to tell her boss exactly what she thought, but *bottled out* in the end.
✔️ Break away : Leave an organisation usually to form a new one.
Example: The SDP *broke away* from the labour party.
✔️ Break down : To end negotiation unsuccessfully.
Example: He *broke down* in tears.
✔️ Break down : Stop working
Example: My car *broke down* so I came by taxi.
✔️ Break in : Interrupt something.
Example: I'm sorry to *break in* on your conversation, but there's a problem.
✔️ Break off : End a relationship.
Example: She *broke off* their engagement when she found out he'd be unfaithful.
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1. Choose the option that has same vowel sound as the one in bracket
dr[ou]ght
A. drown B. draft C. should D. tough
2. Choose the option that has same vowel sound as the one in bracket
[o]pen
A. chaos B. coin C. boar D. phone
3. Choose the option that has same consonant as the one in bracket
disea[s]e
A. decease B. case C. seats D. zeal...
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Tuesday

36. Whom did Salma compare the University lecturers to?
A. soldiers
B. drivers
C. police✅
D. thieves

37. According to Salma,... moves mountains.
A. faith
B. power
C. authority
D. money✅

38. The HOD was from tribe.
A. Yoruba✅
B. Igala
C. Hausa
D. Igbo

39. Who was in the Screening Ofñce all the while that Salma grumbled?
A. The lecturer
B. The screening ofñcer
C. The cleaner✅
D. Nobody

40. In the HOD’s ofñce, why didn’t Ummi sit down until she was asked to?
A. Because she was pressed
B. Because she was angry with the HOD
C. Because she had manners✅
D. Because there were no seats

41. Why was Salma grumbling?
A. Because she was last on the queue
B. Because that was not her ñrst University
C. Because she was hungry
D. Because she thought the lecturer was delaying✅

42. Pick Ummi’s correct Matric.Number
A. UG001
B. UG01
C. UG0001✅
D. UG00001

43. When Salma knew that the young man he had spoken to was the Screening
Ofñcer, she
A. felt ashamed and left
B. felt ashamed and shook✅
C. begged for forgiveness
D. kept on grumbling

45. Who asked for the story about “the quiet one”?
A. Bint
B. Omar✅
C. Teemah
D. Jamila

46. The full meaning of “EMAL” is
A. Email
B. Electronic Malfunction
C. Exam Malpractice✅
D. Exam hall

44. Why did Ummi go to the HOD’s ofñce?
A. She wanted the HOD to ask her out
B. She was pressed and wanted to ease herself
C. Because the HOD was her husband’s friend
D. Because she wanted to get her Matric. Number✅

47. According to Ummi, the story of Talle was more relevant to Omar because
A. he was leaving to the city✅
B. he was a boy
C. they both looked alike
D. Omar was also quiet

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This is the comment section for the prayer and Seminar

JAMB exam prayer pt 1

A brief part of the prayer before the recording stopped.
You actually missed a lot