ITS 20,000 from the test that i took and got it right.hope this helped..
Out of The following speed is the same for all kinds of electromagnetic waves.
Electromagnetic waves travel at the same speed through space. That speed, also known as the speed of light is approximately 300 million meters per moment which are 3.0 x 108 m/s...Although all electromagnetic waves travel at the same speed over space, they may vary in their wavelengths, frequencies, and energy levels. Wavelength is the distance between comparing focuses of adjacent waves. Frequencies of electromagnetic waves run from thousands of waves per second to trillions of waves per second. The energy of electromagnetic waves depends on their frequency. Low-frequency waves have small energy and are ordinarily safe. High-frequency waves have a lot of energy.
To know more about electromagnetic waves refer to the link brainly.com/question/3101711
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Answer:
The power of his ideally prescribed eyeglasses is 1.0 D.
Explanation:
Given that,
Image distance = 110 cm
We know that,
Object distance = ∞
We need to calculate the focal length
Using formula of lens
Put the value into the formula
We need to calculate the power of his ideally prescribed eyeglasses
Using formula of power
Hence, The power of his ideally prescribed eyeglasses is 1.0 D.
Answer:
3
Explanation:
You just look at the compound.
(CO2)3
C x 3= 3
That's a word often used to mean "slowing down". An example is what happens
when the brake is applied in a moving car.
But 'deceleration' is a very unofficial, unscientific word. If the forward speed
is decreasing, then a much more useful concept is "negative acceleration".