28. X-rays have________ frequency and _______ wavelength than radio waves in EM

Question

28. X-rays have________ frequency and _______ wavelength than radio waves in EM spectrum.

a/ lower, shorter

b/ higher, shorter

c/ lower, longer

d/ higher, longer

30. when an object temp goes high, the radiation intensity---- and the wavelength at which the curve peaks becomes______

a/ increases, longer

b/ decreases, shorter

c/ increases, shorter

d/ increases, stays the same.

The electric field shown is produced by a single point charge at the center of the picture.

29. if a new negative point charge is placed at location B directly above the one pictured, the force on it will

a/ be zero

b/ push it upward

c/ push it downward

d/ be in an unknown direction

X-rays have frequency and wavelength than radio waves in EM spectrum. when an object temp goes high, the radiation intensity and the wavelength at which the curve peaks becomes if a new negative point charge is placed at location B directly above the one pictured, the force on it will

Explanation / Answer

28 .

x rays have high frequency as compared to the radio waves
and since both have same speed ie speed of light
and c = (frequency) * (wavelength)

therfore x rays have shorter wavelength as compared to the radio waves

30.

as the tempreature increases the radiation intensity increases
and peak wavelength decreases

29.
it will experience a force downward
in the direction opposite to that of lines of forces

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