[ DOST 7 ] DOST SCHOLARSHIP EXAM REVIEWER VII

DOST Scholarship Reviewer

Instructions:

Please answer each question to the best of your ability. Each question is multiple choice, and only one answer per question is correct. Select the most appropriate answer from the options provided. There are 15 questions in total.

When you have completed all questions, click the "Submit" button at the bottom of the page to see your score. Good luck!

In quantum mechanics, the Heisenberg Uncertainty Principle states that:

A) The position and momentum of a particle can both be measured precisely.
B) The more precisely the position is determined, the less precisely the momentum is known, and vice versa.
C) Particles always have a definite position and momentum.
D) Quantum states do not interfere with each other.

In the theory of relativity, as an object approaches the speed of light:

A) Its length increases.
B) Its mass increases and time dilates relative to an outside observer.
C) Its energy decreases exponentially.
D) Its speed increases beyond light speed.

The Schrödinger equation is fundamental to quantum mechanics because it:

A) Describes how the quantum state of a physical system changes over time.
B) Defines the energy levels of an atom.
C) Solves for the gravitational interactions between particles.
D) Predicts the speed of quantum particles.

The second law of thermodynamics states that:

A) The total entropy of an isolated system always increases over time.
B) The total energy of a system remains constant.
C) Energy can neither be created nor destroyed.
D) The entropy of a system always remains the same.

Which of the following is NOT a consequence of general relativity?

A) Gravitational time dilation.
B) Absolute simultaneity of events.
C) The bending of light around massive objects.
D) The expansion of the universe.

In the double-slit experiment, interference patterns emerge due to:

A) The mass of the particles.
B) The wave-particle duality of photons and electrons.
C) Quantum superposition of particle paths.
D) The alignment of particles with the magnetic field.

Hawking radiation refers to:

A) The cosmic microwave background radiation.
B) Radiation emitted by stars in the late stages of life.
C) The energetic emission from quasars.
D) Radiation that black holes are predicted to emit, leading to their eventual evaporation.

Which force is responsible for holding atomic nuclei together?

A) Weak nuclear force
B) Electromagnetic force
C) Gravitational force
D) Strong nuclear force

According to Einstein’s mass-energy equivalence, the energy (E) of an object is given by:

A) E = mc²
B) E = mc² / v
C) E = mv² / 2
D) E = mc

In special relativity, what happens to the length of an object as it approaches the speed of light?

A) It contracts in the direction of motion.
B) It remains constant.
C) It increases exponentially.
D) It expands in all directions.

Which of the following phenomena can be explained by the wave-particle duality of light?

A) The photoelectric effect
B) Gravitational lensing
C) Cosmic inflation
D) Electromagnetic spectrum

The Pauli Exclusion Principle applies to which of the following particles?

A) Electrons
B) Photons
C) Gravitons
D) Neutrinos

What is the Planck constant (h) primarily used to describe?

A) The gravitational force between two bodies
B) The energy of a photon relative to its wavelength
C) The velocity of light in a vacuum
D) The fundamental limit of quantum measurement precision

Which of the following particles mediates the weak nuclear force?

A) Gluons
B) Photons
C) W and Z bosons
D) Gravitons

What is the primary function of the Large Hadron Collider?

A) To collide protons and other particles at high speeds to study fundamental forces.
B) To produce energy for practical applications.
C) To observe distant galaxies.
D) To create antimatter.

Result

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