Question | Answer | % Correct |
---|---|---|
Which has a higher frequency, infrared or microwave? | Infrared | 90%
|
What is the visible color which has the shortest wavelength? | Violet | 81%
|
A Black Hole is a region in space-time where _____ prevents anything, including light, from escaping. | Gravity | 78%
|
What is Earth's gravitational constant? | 9.8m/s^2 | 75%
|
What is the base unit of electric current in the International System of Units? | Ampere | 75%
|
Amplitude is the _____ of a wave measured from its center position. | Height | 67%
|
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 | 59%
|
In Physics, what is a quantity without direction? | Scalar | 59%
|
In Meteorology, what is used to measure atmospheric pressure? | Barometer | 55%
|
What is Newton's first law of motion? | Law of Inertia | 50%
|
What physical property of matter quantitatively expresses the common notions of hot and cold? | Temperature | 47%
|
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 | 45%
|
Which upward force exerted by a fluid opposes the weight of an immersed object? | Buoyant Force | 40%
|
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 | 39%
|
What is the energy of position? | Potential Energy | 34%
|
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