Synopsis
The topic explores concerns surrounding electromagnetic waves. The in-depth analysis of these waves help in understanding the universe in terms of light as the pillar of the information upon which the development of physics thrives. Also, key influential scholars in the field are recognizes, principal among them being James Clerk Maxwell. Crucially, the topic builds on various principles developed over the past centuries to help elucidate electromagnetism.
Quiz
One of the following statements are true about the Earth’s magnetic field. Identify it.
It results from the movement of liquid iron in Earth’s outer core
The Earth’s core permanent magnet brings about the Earth’s magnetic field
It radiates from gradational fields
Answer: A
Which of the following is true about electric and magnetic field lines?
They form loops
They never close
They radiate from charges
Answer: A
William David Coolidge, an American Physicist, is widely credited for the creation of
X-ray tube
Cat-Scan
Contrast Agent
X-ray
Answer: A
Which of the following is not a Maxwell’s equation?
Gauss’s Law for Electricity
Ohm’s Law
Ampere’s Law
Faraday’s Law of Magnetism
Answer: B
Which of the following statements is true about the Ampere’s Law?
It is similar to Faraday’s Law
It assesses the change in magnetic field
It measures the extent to which current disrupts magnetisms
It helps understand the change from an electric field to a magnetic field
Answer: C
October 14 – October 20
Synopsis
The topic entails understanding the paradigms involved in the existence of interference and diffraction of light. Also, the topic expounds more on light as a wave in the electromagnetic field and the results of merging of two waves.
Delegate your assignment to our experts and they will do the rest.
Quiz
Lord Rayleigh is mostly credited for his contribution on
Refraction of light
Electromagnetic waves
Light scattering
Answer: C
Which of the following statements best explain the existence of blue sky?
The sky refracts light from the ground above to cause an obscure mass of gas
Blue light, which has a shorter wavelength of 450 nm than relight light with 650 nm, scatters more distributing sunlight into all directions.
None of the above.
All of the above
Answer: B
What does Michelson Interferometer not do?
Measures wavelength of any given electromagnet wave
Creates an interference by using the wave property of lights
Both A and B
Answer: A
Which of the following statements is true about polarization?
It results in the formation of the spectrum
It involves the scattering of sunlight
The greatest polarization is achieved at 90 degrees scattering of light
All of the above
None of the above
Answer: D
Which of the following equations represents momentum of light?
S ⃗ =1μ0E ⃗ ×B ⃗
P light = S / c
S=E2/cμ0
October 21 – October 27
Synopsis
The topic explores the facets of light as a wave. Also, the topic sheds light on the behavior of photons in relation to electromagnetism. Further, key contributors to quantum theory of electromagnetism such as Richard Feynman are acknowledged in attempting to solve some puzzles about light waves.
Quiz
Which of the following concepts help in explaining light as a wave?
Interference
Diffraction
All of the above
None of the above
Answer: C
Which of the following statements is true about a photon?
Has energy E = hf
Has mass
Has no charge
Has spin angular momentum
Answer: B
Analyze Figure 1 below and use it to answer the questions that follow.
Figure 1
Which wave property is represented by Figure 1 above?
Reflection
Diffraction
Refraction
None of the Above
Answer: C
State the law represented by the property in 3 above.
Answer: Law of Refraction: n 1 sin ( θ 1 ) = n 2 sin ( θ 2 )
Two waves with identical amplitude phase and same frequency meet. Which phenomenon is created?
Refraction
Reflection
Interference
Diffraction
Answer: C
October 28 – November 3
Synopsis
The chapter explores the various advancements made in optical technology and their contribution to the study of light and other inventions.
Quiz
Which of the following is an optical device?
Magnifying glass
Telescope
Microscope
All of the above
None of the above
Answer: D
Galileo Galilei is credited for the invention of
Microscope
Telescope
Magnifying glass
None of the above
Answer: B
Examine keenly Figure 2 below and answer the questions that follow.
Figure 2
Name the type of device that exhibits the waves properties in Figure 2 above.
Answer: Telescope
What kind of a surface is represented by the illustration above?
Curved spherical
Flat
Focused spherical
None of the above
Answer: A
Draw a simple diagram illustrating how light waves in a refractive telescope would appear.
Answer:
Figure 3
November 4 –November 10
Synopsis
The topic explores the quantum phenomena in atoms and materials by shedding some light on light and spectra as well as blackbody spectrum.
Quiz
Electrons are described as one of the following in the quantum mechanical model. Identify it.
Waves
Wave-like properties exhibiting particles
Small, hard spheres
Particles
Answer: D
All photons and electrons are identical. True or False?
True
False
Answer: B
Which law explains the relationship between the temperature of stars and light?
Wien law
Stefan Boltzmann law
All of the above
None of the above
Answer: C
Light plays a significant role in explaining the following phenomena except?
Composition of stars
Temperature of stars
Nature of elements
None of the above
Answer: C
Which of the following is a source of alpha particles?
Radioactive decay
Radon
Biosphere
All of the above
None of the above
Answer: D
November 11 – November 17
Synopsis
The topic pays a significant attention on Einstein’s contributions to space and time using his Relativity theory. The approach helps expounds the various inconsistencies that exists in time when matter travels at the speed of light.
Quiz
Which of the following is true about special relativity and general relativity?
They both originated from Einstein’s work
They attempt to explain the behavior of time, matter, gravity, and space
All of the above
None of the above
Answer: C
What is the distance at which a charge of a proton is located from its center?
Answer: 0.87×10 -15
The Schwarzschild Radius helps explain one of the following phenomenon. Name it.
Black hole
Gravitational effect
Electromagnetic waves
Relativity
Answer: A
Which of the following phenomena supports General Relativity?
Light deflection by stars
Photon sphere
Gravitational lensing
All of the above
None of the above
Answer: D
Which of the following laws of physics can help determine the mass of an object being orbited on the Milky Way?
The Newtonian Laws
Kepler’s Laws
Both A and B
None of the above
