Radiography MCQ
(Series – 38)
Q.1.
By ___________, Roentgen prepared his manuscript regarding discovery of x-rays.
(a). December 26, 1895
(b). December 27, 1895
(c). December 28, 1895
(d). December 25, 1895
Q. 2. Electromagnetic radiation is made up of
an _____________ that mutually support each-other.
(a). electric field
(b). magnetic field
(c). electric field and magnetic field
(d). None
Q. 3. A radio transmission tower is used to
transmit radio signals that are an EM radiation. The transmission is
accomplished by accelerating charge _____________ a conductor in the tower.
(a). Up
(b). Down
(c). UP & Down
(d). None
Q. 4. The frequency of the radio wave is just
how many times ________ the charge changes direction.
(a). per hour
(b). per minute
(c). per second
(d). per cycle
Q. 5. The relationship between velocity,
wavelength & frequency is,
(a). c=λν
(b). λ=cν
(c). both
(d). none
Q. 6. Because all types of electromagnetic
radiation have the same velocity, the frequency of the radiation must be
inversely proportional to its ___________ .
(a). amount
(b). wavelength
(c). origin
(d). all
Q. 7. All types of radiation in the electromagnetic
spectrum differ basically only in ___________ .
(a). origin
(b). quantity
(c). wavelength
(d). none of above
Q. 8. The wavelength of diagnostic x-rays is
extremely short and it is usually expressed in
(a). Angstron
(b). Nanometer
(c). Millimeter
(d). both a+b
Q. 9. The wave concept of electromagnetic
radiation explains the,
(a). reflection & refraction
(b). diffraction
(c). polarization
(d). All of above.
Q. 10. Giga means,
(a). 10,000,000,000
(b). 1,00,00,00,000
(c). 1,00,00,00,00,000
(d). 1,00,00,00,00,00,00,00,000
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Answers
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Q.
1 -
(c)
Q.
3 -
(c)
Q.
5 -
(a)
Q.
7 -
(c)
Q.
9 -
(d
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Q.
2 -
(c)
Q.
4 -
(c)
Q.
6 -
(b)
Q.
8 -
(d)
Q.10 - (b)
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