2023 Summer notes
No description yet. This curated deck is ready for daily study.
Card preview (9)
How many Hz are in a kHz?
1000Hz = 1kHz
How many Hz are in a MHz?
1MHz = 1000 000 Hz 1MHz = 1000 x 1000 Hz
How may Hz are in a GHz?
1 GHz = 1 000 000 000 Hz 1GHz = 1000x 1000x 1000 Hz
What is refraction?
When a wave enters a new medium and changes direction
What causes refraction?
The wave slowing down or speeding up as it enters a new medium
What happens to the wavelength of a wave if it enters a slower medium?
The wavelength decreases.
Weight is the amount of ____________________________. Weight is measured in ___________.
Weight is the amount of force which gravity pulls on an object with. Weight is measured in Newtons.
Mass is the amount of …………………………………………………………………………………………………………………… . Mass is measured in ……………… or ………………………..
Mass is the amount of matter that something is made of. Mass is measured in** grams (g)** or kilograms (kg).
What is the formula for weight?
Weight = mass x gravitational field strength