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Worksheetsquiz
Total questions: 70
Worksheet time: 35mins
It is one of the applications of fluids which operate by transferring force through the compression of an incompressible fluid.
a. Hydraulic Systems
b. Irrigation Systems
c. Thermal Management
d. Fire Suppression Systems
Who is the Greek scholar that made a significant contribution to fluid mechanics?
a. Theudius
b. Archimedes
c. Plato
d. Eratosthenes
(a) principle states that an object submerged in a fluid experiences a
(a) force equal to the weight of the
(a) it displaces.
6. In the 18th and 19th centuries, Daniel Bernoulli, Leonhard Euler and____ contributed to foundational concepts of fluid Dynamics
a. Isaac Newton
b. Blaise Pascal
c. Al-Kindi
d. Henri Darcy
(a) refers to the tools and technologies used to maintain a system within its operating temperature range.
(a) became a scientific discipline in the 17th century with Isaac Newton's laws of motion and Blaise Pascal's experiments.
The study of all (a) in static and dynamic conditions is the focus of fluid mechanics.
A subfield of continuous mechanics called (a) examines the interaction of forces, movements, and static conditions in a continuous medium.
1. The study of heat flow within an object and from one object to another due to differences in temperature.
a. Energy Transfer
b. Heat Transfer
c. Fluid Transfer
d. Thermodynamics
2. Is a state where two substances of matter have reached the same temperature.
a. Thermal Coefficient
b. Thermal Constant
c. Thermal Equilibrium
d. All of the above
3. The change in temperature per unit distance in the direction of the heat flow.
a. Temperature Gradient
b. Temperature Change
c. Temperature Distance
d. Temperature Scale
4. A type of heat transfer by direct contact between particles of a medium.
a. Convection
b. Conduction
c. Mass Transfer
d. Radiation
5. A type of heat transfer through the movement of fluids.
a. Conduction
b. Radiation
c. Convection Current
d. Convection
6. A type of heat transfer through electromagnetic waves without the involvement of any medium.
a. Radiation
b. Convection
c. Conduction
d. Diffusion
7. The two parameters for heat transfer to occur.
a. Thermal Resistivity and Material Thickness
b. Thermal Conductivity and Material Thinness
c. Thermal Conductivity and Material Thickness
d. Thermal Resistivity and Material Thickness
8. The type of alloy that heats the iron.
a. Stainless Steel
b. Brass
c. Nichrome
d. Chromel
9. The value of the Stefan-Boltzmann Constant.
a. 56.7 x 10⁸ J/s ⋅ m² ⋅ K⁴
b. 5.67 x 10^(-8) J/s ⋅ m² ⋅ K⁴
c. 5.67 x 10⁸ J/s ⋅ m² ⋅ K²
d. 5.67 x 10-⁸ J/s ⋅ m² ⋅ K^4
10. The French physicist that measured the heat flow in metal bars during 1816.
a. Isaac Newton
b. Jean Joseph Fourier
c. Jean Joseph Baptiste Biot
d. Jean-Baptiste Biot
1. The energy of a wave is directly related to its _______.
a. Amplitude
b. Wavelength
c. Frequency
d. Speed
2. The substance through which a wave travels is called?
a. Source
b. Trough
c. Disturbance
d. Medium
3. A wave that moves a medium at right angles to the direction in which the wave travels is a ______.
a. Longitudinal Wave
b. Matter Wave
c. Transverse Wave
d. Electromagnetic Wave
4. The maximum distance the particles of a medium move from their rest position is called the ______.
a. Wavelength
b. Amplitude
c. Frequency
d. Speed
5. The distance between crests or troughs.
a. Wavelength
b. Amplitude
c. Frequency
d. Speed
6. A wave that moves parallel to the direction in which the wave travels is a ______.
a. Longitudinal Wave
b. Matter Wave
c. Transverse Wave
d. Electromagnetic Wave
7. ________ is a wave that is an oscillation of matter and is responsible for the transfer of energy through a medium.
a. Mechanical Wave
b. Matter Wave
c. Seismic Wave
d. Electromagnetic Wave
8. All __________ travel through vacuum at the same speed.
a. Mechanical Wave
b. Matter Wave
c. Seismic Wave
d. Electromagnetic Wave
9. Transverse waves have
a. Crest and Trough
b. Chest and Tough
c. Crest and Through
d. Crets and Trough
10. Waves associated with moving particles of matter.
a. Mechanical Wave
b. Matter Wave
c. Electromagnetic Wave
d. None of the above
1. He formulated Coulomb's law, which describes the electrostatic force between charged objects. The energy of a wave is directly related to its _______.
a. Charles Augustin de Coulomb
b. Michael Faraday
c. William Gilbert
d. Charles - Augustin de Coulomb
2. These are often in conjunction with the home heating and air conditioning system, are very effective in removing polluting particles, irritants, and allergens.
a. Smoke Precipitators
b. Home Precipitators
c. Large Electrostatics Precipitators
d. Electrostatics Precipitators
3. Which of the following statements is true about electric charges?
a. Like charges attract each other.
b. Opposite charges repel each other.
c. Like charges repel each other.
d. Electric charges cannot be transferred from one object
4. When a negatively charged object is brought close to a neutral object, what happens to the electrons in the neutral object?
a. Electrons move away from the charged object.
b. Electrons move towards the charged object.
c. Electrons remain stationary.
d. Electrons are ejected from the neutral object
5. In a neutral particle, the number of protons is __________ the number of electrons.
a. Larger than
b. Less than
c. Equal to
6. In the 19th century unified electricity and magnetism into a single theory, known as electromagnetism.
(a)
7. The Van de Graaff generators built by Robert Van de Graaff is based on whose suggestion?
(a)
8. Are used industrially to remove over 99 of the particles from stack gas emissions associated with the burning of coal and oil.
(a)
9. What is the value of Coulomb’s constant (k)?
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8.99x109 N m2 /C2
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10. It is utilized in technologies such as photocopying, air purification, electrostatic painting, and semiconductor manufacturing.
(a)
1. It is also called ray optics, is a branch of optics where light is described by rays.
(a)
2. It is also called wave optics, is the branch of optics that studies interference, diffraction, polarization, and other phenomena for which the ray approximation of geometric optics is not valid.
(a)
3.It is a branch of optics that describes the theory and practice of lasers.
(a)
4. It is the branch of physics that studies the behavior and properties of light, including its interactions with matter and the construction of instruments that use or detect it.
(a)
5. A light ray that lands on the surface is reflected off the surface.
(a)
6. What is the letter representing Object distance in the Mirror and Lens equation?
a. v
b. f
c. u
d. R
7. What is the letter representing Image distance in the Mirror and Lens equation?
a. v
b. f
c. u
d. R
8. What is the letter representing Focal Length in the Mirror and Lens equation?
a. v
b. f
c. u
d. R
9. The refractive index for a medium is represented by what letter?
a. n
b. R
c. N
d. θ
10. What is the name for this formula θi = θr?
a. Law of Refraction
b. Law of Reflection
c. Mirror Equation
d. Lens Equation
1. It is an Electromagnetic Radiation emitted or absorbed during electron energy transitions.
(a)
2. It is a subatomic particle with a positive electrical charge.
(a)
3. It is the process where isotopes transform into stable nuclei through decay.
(a)
4. What is the formula for getting the decay constant with relation to initial and final amount of the substance?
𝒌𝒕 = 𝒍𝒏( 𝒙𝟎/𝒙 )
𝒍𝒏 ( 𝒙𝟎/𝒙 ) = 𝒌𝒕
𝒌 = 𝒍𝒏( 𝒙𝟎/𝒙 ) /𝒕
5. It consists of two protons and two neutrons and is emitted during radioactive decay.
(a)
6. Give one technology that utilizes nuclear/atomic physics
PET Scans
Nuclear Power Plant
Smoke Detector
7. Who discovered the photoelectric effect?
a. Sohnny Jins
b. Photonous Einstein
c. Albert Einstein
d. Isaac Newton
8. What phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation?
a. Nuclear Reaction
b. Photoelectric Effect
c. Radioactive decay
d. Atomic Spectra
9. A phenomenon where unstable atomic nuclei lose energy by emitting radiation.
a. Radio passive decay
b. Radioactive decay
c. Physical decay
d. Active radio decay
10. A state of matter where it is ubiquitous in universe
a. Solid
b. Liquid
c. Gas
d. Plasma
These are materials where the atoms are arranged in a highly ordered, repeating pattern.
a. Conductors
b. Metals
c. Crystals
d. Solids
2. It is a state of matter that has no electrical resistance and does not allow magnetic fields to penetrate.
a. Resistivity
b. Superconductivity
c. Conductivity
d. Inductivity
3. It is made up of individual atoms that are bound together in a regular and periodic pattern to produce a structure.
a. Condensed Matter
b. Conductors
c. Superconductors
d. Semiconductors
4. It is a semiconductor device with one PN junction or alternatively one metal-semiconductor junction. It has two terminals called anode and cathode.
a. Capacitor
b. Diode
c. Resistor
d. Inductor
5. This equation describes the current flowing through a diode as a function of the voltage across it.
a. Maxwell’s Equation
b. Bragg’s Law
c. Faraday’s Law
d. Shockley Diode Equation
6. (a) is the study of substances in their solid form.
7. The forward direction of a diode is from anode to (a) .
8. (a) is the temperature below which a material becomes superconducting.
9. (a) is a very small current when the diode is reversebiased.
10. A region in a P-N junction diode where no mobile charge carriers are present is called (a) .
