Physics Formal Assessment 1 Under Mr. Tan

20 Questions | By Thechadwictan | Last updated: Mar 20, 2022 | Total Attempts: 197

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This first assessment covers the subdivision of physics, famous scientists, significant figures and scientific notation. Please answer this by wednesday 12 noon. Password is physics

Questions and Answers

1.

An American physicist contributed to the joining of relativity and quantum theory with electromagnetism to form quantum electrodynamics. He is also known for his reformulation of quantum mechanics and his research on liquid helium.
- A.
  
  Bohr
- B.
  
  Copernicus
- C.
  
  Newton
- D.
  
  Einstein
- E.
  
  Feynman
2.

A German-American physicist, revolutionized the assumptions of modern physics when he first published his theory of relativity in 1905.
- A.
  
  Bohr
- B.
  
  Copernicus
- C.
  
  Newton
- D.
  
  Einstein
- E.
  
  Feynman
3.

One of the most important figures in the history of science, made significant contributions in the fields of physics, astronomy, and mathematics. In his Principia (1687) -- considered by many the greatest work of modern science --he explained the laws of motion and universal gravitation.
- A.
  
  Bohr
- B.
  
  Copernicus
- C.
  
  Newton
- D.
  
  Einstein
- E.
  
  Feynman
4.

He was important in the development of quantum physics. He devised the simplified model of the hydrogen atom. He stated that electrons were found in fixed orbits around the nucleus of the atom.
- A.
  
  Bohr
- B.
  
  Pascal
- C.
  
  Newton
- D.
  
  Hawking
- E.
  
  Feynman
5.

Branch of science that studies light
- A.
  
  Quantum mechanics
- B.
  
  Acoustics
- C.
  
  Mechanics
- D.
  
  Optics
- E.
  
  Electromagnetism
6.

Considered by many to be the father of experimental science. His work laid the foundation for modern physics by defining physical properties in coherent mathematical terms. He experimented on falling objects and was convicted of heresy for believing that the earth orbited around the sun.
- A.
  
  Bohr
- B.
  
  Galileo
- C.
  
  Newton
- D.
  
  Hawking
- E.
  
  Kaku
7.

Physicist and cosmologist; probably one of the most popular modern physicists, mostly because of his popular bestselling book "Brief History of Time" describing the state of cosmology and astrophysics and appearances on popular entertainment shows. He has revolutionized our understanding of black holes.
- A.
  
  Bohr
- B.
  
  Galileo
- C.
  
  Newton
- D.
  
  Hawking
- E.
  
  Kaku
8.

Which of the following is considered applied physics
- A.
  
  Classical mechanics
- B.
  
  Quantum mechanics
- C.
  
  Laser physics
- D.
  
  Metaphysics
- E.
  
  Electromagnetism
9.

Explained the photoelectric effect by proposing that light consists of small particles, or quanta, called photons, which carry energy that is proportional to the frequency of light. He received a Nobel prize in Physics in 1921 for this.
- A.
  
  Rutherford
- B.
  
  Feynman
- C.
  
  Bohr
- D.
  
  Einstein
- E.
  
  Hawking
10.

Branch of physics which studies energy and heat transfer
- A.
  
  Acoustics
- B.
  
  Optics
- C.
  
  Thermodynamics
- D.
  
  Classical mechanics
- E.
  
  Quantum mechanics
11.

Branch of physics which studies sound
- A.
  
  Acoustics
- B.
  
  Optics
- C.
  
  Thermodynamics
- D.
  
  Classical mechanics
- E.
  
  Quantum mechanics
12.

How many significant figures does 0.01150 have?
- A.
  
  3
- B.
  
  4
- C.
  
  5
- D.
  
  6
- E.
  
  7
13.

How many significant figures does 0.0000003411 have?
- A.
  
  4
- B.
  
  5
- C.
  
  6
- D.
  
  7
- E.
  
  8
14.

How many significant figures does 14344.00 have?
- A.
  
  5
- B.
  
  6
- C.
  
  7
- D.
  
  8
- E.
  
  9
15.

How many significant figures does 0.01 have?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
- E.
  
  5
16.

How many significant figures does 0.015 have?
- A.
  
  1
- B.
  
  2
- C.
  
  3
- D.
  
  4
- E.
  
  5
17.

How do you express 0.0355 in scientific notation? (The symbol ^ means it is an exponent
- A.
  
  35.5 X 10^2
- B.
  
  0.355 X 10^-2
- C.
  
  3.55X 10^-2
- D.
  
  3.55 X 10^2
- E.
  
  355 X 10^0
18.

If you would write 4.6788 in scientific notation but with only two significant figures
- A.
  
  5 X 10 ^1
- B.
  
  46788
- C.
  
  4.7 X 10^1
- D.
  
  4.6 X 10^1
- E.
  
  4.7 X 10^0
19.

Which is not a subdivision of physics?
- A.
  
  Waves
- B.
  
  Electromagnetism
- C.
  
  Mechanics
- D.
  
  Thermodynamics
- E.
  
  Metaphysics
20.

Which of the following is a derived quantity?
- A.
  
  Volume
- B.
  
  Density
- C.
  
  Velocity
- D.
  
  Speed
- E.
  
  All of the above