A) Radio waves are a form of electromagnetic radiation.
TRUE
It is the type of electromagnetic wave with least energy range and longest wavelength range among all
B) Electromagnetic radiation does not require a medium to travel.
TRUE
This radiation can travel through vacuum also and its speed is maximum in vacuum
C) In a vacuum, electromagnetic radiation travels at the speed of light.
TRUE
speed of all electromagnetic radiation is same as speed of light in vacuum
D) Electromagnetic radiation travels in the form of longitudinal waves.
FALSE
All electromagnetic radiation is always in form of transverse waves
So correct options are
<u>A, B, C</u>
Answer:
Will result in :Greater Compton scatter interaction
Explanation
This is because The 15% rule states that changing the kVp by 15% has the same effect as doubling the mAs, or reducing the mAs by 50%; that is A 15% increase in kVp has the same effect as doubling the mAs and vice versa but in this case reducing mas causes more Compton scatter because Compton scattering occurs at a lower kvp
Answer:
Option (A) is correct.
Explanation:
A horizontal rope has a length of 5 m and a mass of 0.00145 kg. If a pulse occurs on this string, generating a wavelength of 0.6 m and a frequency of 120 Hz. The tension to which the string is subjected is
mass of string, m = 0.00145 kg
Frequency, f = 120 Hz
wavelength = 0.6 m
Speed = frequency x wavelength
speed = 120 x 0.6 = 72 m/s
Let the tension is T.
Use the formula
Option (A) is correct.
If one bulb goes out then all the others won't light up because electricity will be cut off. It's a disadvantage because in a parallel circuit if one bulb burns out all the others will still be on because they won't be affected. I hope I've helped you ☺
The answer is,
<u>Farthest from the axis of rotation</u>
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