Physics General Knowledge

Can you answer these basic Physics facts?

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Last updated: December 28, 2018

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First submitted	July 28, 2017
Times taken	4,981
Average score	60.0%
Rating	3.05
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Question	Answer
What is Newton's first law of motion?	Law of Inertia
What is the energy of position?	Potential Energy
What law states that the total energy of an isolated system remains constant - it is said to be conserved over time. Law of _____ __ _____	Conservation of Energy
What is Earth's gravitational constant?	9.8m/s^2
What is the visible color which has the shortest wavelength?	Violet
Which has a higher frequency, infrared or microwave?	Infrared
What is the base unit of electric current in the International System of Units?	Ampere
Amplitude is the _____ of a wave measured from its center position.	Height

Question	Answer
In Meteorology, what is used to measure atmospheric pressure?	Barometer
A Black Hole is a region in space-time where _____ prevents anything, including light, from escaping.	Gravity
Which upward force exerted by a fluid opposes the weight of an immersed object?	Buoyant Force
Which law states that the current through a conductor between two points is directly proportional to the potential difference across the two points?	Ohm's Law
What happens when light seen coming from an object that is moving away is proportionally increased in wavelength, or shifted to the red end of the spectrum?	Redshift
In Physics, what is a quantity without direction?	Scalar
What physical property of matter quantitatively expresses the common notions of hot and cold?	Temperature

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7 Comments

Level 51

Nov 8, 2017

Is the device used to measure air pressure spelled with only one 'r'? This may explain the low percentage of correct results for the question.

Level 21

Mar 10, 2018

I'm sorry for the mistake. I have fixed the spelling error.

Level 50

Mar 22, 2018

I put in "buoyancy" and it said it was wrong :( I think you misspelled "bouyant force" its bUOyant force, you mixed up the u and the o

Level 71

Dec 23, 2018

I suggest to accept buoyancy for buoyant force, and bar for barometer. Cause the way it was written I thought you meant what unit is used and not what tool/equipment is used. I suggest either accept both or specify the question

Level 37

Nov 19, 2019

Maybe for the Amplitude one accept 'maximum displacement' from its equilibrium position

Level 48

Sep 13, 2022

Yes, it is not necessarily height, it can be in any direction.

Level 79

Jun 10, 2023

Please allow "potential" instead of "potential energy," since "energy" is in the question.

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