Measurements & Scientific Instruments
141 questions available
FILTER BY SUBTOPIC
Q81.Newton’s Third Law of Motion?
Correct Answer: A
Newton’s third law states that every action has an equal and opposite reaction. Forces therefore occur in pairs acting on different objects.
Q82.Nuclear sizes are expressed in a unit named ?
Correct Answer: C
Nuclear sizes are expressed in a unit named: Fermi. This value follows from the standard definition or accepted conversion used for the quantity.
Q83.One Joule is equal to____?
Correct Answer: C
One Joule is equal to 107 ergs. This value follows from the standard definition or accepted conversion used for the quantity.
Q84.Ozone layer thickness is measured in____?
Correct Answer: D
Ozone layer thickness is measured in Dobson. This value follows from the standard definition or accepted conversion used for the quantity.
Q85.Parsec is a unit of ____?
Correct Answer: D
Parsec is an unit of Distance. This value follows from the standard definition or accepted conversion used for the quantity.
Q86.Radioactivity was discovered by ____?
Correct Answer: D
Radioactivity was discovered by Bacquerel. Historical scientific accounts credit this person, place, or event with the development described.
Q87.SI unit of Illumination is ____?
Correct Answer: C
SI unit of Illumination is Lux. This value follows from the standard definition or accepted conversion used for the quantity.
Q88.SI unit of light is ____ ?
Correct Answer: C
SI unit of light is Candela. The result follows from how light is reflected, refracted, focused, or distributed across the electromagnetic spectrum.
Q89.Siemens is the unit of____?
Correct Answer: A
Siemens is the unit of Electrical Conductance. This value follows from the standard definition or accepted conversion used for the quantity.
Q90.Steradian is the unit of____?
Correct Answer: A
Steradian is the unit of Solid angle. This value follows from the standard definition or accepted conversion used for the quantity.
Q91.Tesla is the unit of_____?
Correct Answer: A
Tesla is the unit of Magnetic Field Strength. This value follows from the standard definition or accepted conversion used for the quantity.
Q92.The energy value of food is measured in____?
Correct Answer: B
The energy value of food is measured in Calories. The stated result follows from the relevant physical relationship between force, matter, motion, or energy.
Q93.The S. I. unit of refractive index is ____?
Correct Answer: D
The S. I. unit of refractive index is no unit. I. unit of refractive index is no unit. This value follows from the standard definition or accepted conversion used for the quantity.
Q94.The Saturn rings discovered by____?
Correct Answer: C
The Saturn rings discovered by Galileo. Historical scientific accounts credit this person, place, or event with the development described.
Q95.The Scientist who told Heat is a form of Energy” was____?
Correct Answer: C
The Scientist who told Heat is a form of Energy” was Joule. The stated result follows from the relevant physical relationship between force, matter, motion, or energy.
Q96.The SI unit of charge is ____?
Correct Answer: B
The SI unit of charge is Coulomb. This value follows from the standard definition or accepted conversion used for the quantity.
Q97.The SI unit of Dipole moment is ____?
Correct Answer: A
The SI unit of Dipole moment is Debye. This value follows from the standard definition or accepted conversion used for the quantity.
Q98.The SI unit of electric current is?
Correct Answer: B
The SI unit of electric current is Ampere. The effect results from the movement of charge or the interaction of electric and magnetic fields.
Q99.The SI unit of Heat is____?
Correct Answer: C
The SI unit of Heat is Joule. The stated result follows from the relevant physical relationship between force, matter, motion, or energy.
Q100.The SI unit of pressure” is ____.
Correct Answer: A
The SI unit of pressure” is pascal. The stated result follows from the relevant physical relationship between force, matter, motion, or energy.