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PEC (JC) Concluding Activity
PEC (JC) Concluding Activity
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Answers
1
Which of the following is not a consequence of Special Relativity?
Mass-Energy Equivalence
Time Dilation
Magnetism is caused by electric fields
Length Contraction
2
Which of the following particles is not present in an atom?
Positron
Electron
Neutron
Proton
3
Which of the following is not a Radioactive Element?
Beryllium
Uranium
Radon
Thorium
4
Which of the following objects is not the result of a death of a star?
White Dwarf
Neutron Star
Brown Dwarf
Black Hole
5
How far is the Moon from Earth?
About 3.8 million km
About 1.5 million km
About 384,000 km
About 38,000 km
6
Which of the following is not a way to generate pico-Newton forces
Atomic Force Microscopy
Magnetic Tweezers
Optical Tweezers
Capillary action Turbine
7
Who said 'God does not play dice with the universe'?
Oppenheimer
Max Planck
Born
Einstein
8
Which force is not found in the Standard Model of Particle Physics?
Gravitational Force
Strong Nuclear Force
Weak Nuclear Force
Electromagnetic Force
9
What is the correct expression for Newton's Law of Gravitation?
F=\frac{mv^2}{r}
F=ma
F=\frac{Gm_1m_2}{r^2}
F=qE
10
Who invented Calculus?
Blaise Pascal
René Descartes
Isaac Newton
Galileo Galilei
11
Stretching induces hair growth.
False
True
12
How can you find the cheaters/quantum defects in material using Machine Learning?
By relying on pre-written textbooks that list all possible defects
By applying classification or anomaly detection algorithms to data
By manually inspecting each molecule using a microscope
By using image filters to color-code all atoms
13
Which of the following is the Ideal Gas Law?
PV=nRT
E=hf
Entropy of a system always increases
Heat flows from hot to cold objects
14
What is the centre of a Black Hole called?
Singularity
Core
Wormhole
Event Horizon
15
Washing hand with water alone is enough to remove bacteria on our hand.
False
True
16
Which of the following is not a Quantum Phenomenon?
Photoelectric Effect
Electron Diffraction
Gravitational Lensing
Quantum Tunneling
17
Which of the following is not a discovery made by Einstein?
Brownian Motion
X-rays
Photoelectric Effect
Theory of Relativity
18
Where was Einstein buried?
His ashes were scattered at an undisclosed location
Berlin, Germany
Zurich, Switzerland
Princeton, New Jersey
19
Silicone is an example of
Metal
Semiconductor
Superconductor
Non-metal
20
Do you really need to know
what life is all about
before you come to university?
False
True
21
What is statistical learning?
Machine learning focuses on understanding data through probabilistic model.
A technique for memorizing datasets using rule-based logic
A deterministic algorithm that excludes randomness in predictions
A method used in astrology to predict future outcomes based on statistics
22
What is the Mass of the Earth?
5.97\times10^{24}kg
1.99\times10^{30}kg
6.02\times10^{23}kg
9.81\times10^3kg
23
How many bits are required for 1024 bytes of information?
512 bits
8192 bits
4096 bits
2048 bits
24
Which of the following is not a law of light?
Reflection
Diffusion
Dispersion
Refraction
25
How many specializations are there in NUS Physics
3
2
4
1
26
Which of the following is not a Conservation Law?
Conservation of Energy
Conservation of Mass
Conservation of Entropy
Conservation of Momentum
27
Which year is general relativity published?
1915
1926
1905
1925
28
Who said, "Nobody understands quantum mechanics"?
Niels Bohr
Werner Heisenberg
Richard Feynman
Albert Einstein
29
Which of the following is a lab in NUS?
CIBA
Nanomaterial research Lab
Centre for Advanced 2D Material
CQT
30
What does Kepler's Third Law say?
The square of the period is proportional to the cube of the semi-major axis
Planets revolve in circular orbits
Planets move in elliptical orbits
The speed of a planet is constant
31
What is the name of the Physics Enrichment Camp Director?
Joshua
Jediael
Qing Hai
Jiang Bin
32
Which of the following is not one of the four critical challenges today mentioned by Prof Gong?
Energy Crisis
Digitalization/AI
Food cleanliness issues
Quantum Computing & Quantum Technologies
33
Which year was the Higgs Boson discovered?
2005
2020
2012
1998
34
Which of the following is not one of Maxwell's Laws?
Ampère’s Law
Faraday’s Law
Gauss’s Law
Newton’s Law of Cooling
35
Which of the following is not a Ferromagnetic Element?
Cobalt
Iron
Nickel
Copper
36
What is a fundamental postulate of Einstein’s Special Relativity?
The speed of light depends on the observer's motion
The laws of physics are different in different inertial frames
The speed of light in vacuum is constant regardless of their motion
Space and time are absolute quantities
37
What is the first 4 digits of the speed of light in vacuum?
3.001
2.998
2.997
3.000
38
How many Presidential Young Professors recruited by NUS Physics since 2020 are shown in the opening address by Prof Gong
10
12
4
8
39
What does the principle of superposition say?
Energy is conserved in all processes
Two particles cannot occupy the same state
Force equals mass times acceleration
displacement of wave is the sum of the displacements of the individual wave
40
Where is the Large Hadron Collider located?
Germany
United States
Japan
Switzerland
