Energy passing through unit area is
A) intensity of x-ray
B) frequency of x-ray
C) wavelength of x-ray
D) amplitude of x-ray
Correct Answer:
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Q12: Dimensions of Young's modulus are {{}}
A)[M]-1[L]-1[T]-2
B)[M]-1[L]-2[T]-2
C)[M] [L]-2[T]-2
D)[M]
Q13: Kepler's 3rd law states that...
A)the periods of
Q14: Gradual decrease in x-ray beam intensity as
Q15: Attenuation coefficient of bone is 600 m-1
Q16: For protons, the gyromagnetic ratio has the
Q18: speed of ultrasound depends upon
A)medium
B)amplitude
C)material
D)wavelength
Q19: Bones look white in x-ray photograph because
A)they
Q20: Larmor frequency depends upon the
A)individual nucleus
B)magnetic flux
Q21: Acoustic impedance of human skin is {{}}
A)1.65
Q22: In the best piezo-electric substances, the maximum
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