IRRSP ACTUAL EXAM PAPER 2026
QUESTIONS WITH SOLUTIONS GRADED A+
●● not following safety practices.
Answer: One cause of overexposure is:
●● Wilhelm Röntgen.
Answer: Who discovered x-rays?
●● 8 November 1895.
Answer: When were x-rays discovered?
●● Marie Curie.
Answer: Who coined the term "radioactivity"?
●● Henri Becquerel.
Answer: Who discovered radioactivity?
●● Ernest Rutherford.
Answer: Which pioneer discovered that radioactive material has a half-
life?
,●● 4 days.
Answer: How long after news of x-rays reached the U.S. were they first
used?
●● not following established procedures.
Answer: The main cause of overexposures of radiographic personnel is:
●● long hours, time constrictions, and weather.
Answer: Mistakes leading to an overexposure can be caused by:
●● number of protons in the nucleus of an atom.
Answer: The atomic number represents the:
●● total number of protons and neutrons in the nucleus of an atom.
Answer: The atomic weight represents the:
●● particulate and electromagnetic.
Answer: The two basic types of radiation are:
●● decrease.
Answer: As the wavelength of an x-ray increases, the penetrating ability
of the radiation would:
, ●● Van de Graaff generator, linear accelerator, and betatron generator.
Answer: Which three of these would be considered high voltage
generators: Van de Graaff generator, linear accelerator, glass x-ray tube,
betatron generator?
●● origin.
Answer: The main difference between x-rays and gamma rays of the
same energy is the:
●● electrons.
Answer: Elementary particle units with a negative electrical charge and a
weight approximately equal to 1/1840th that of a proton are:
●● protons.
Answer: Positively charged elementary particles with a weight of 1AMU
are known as:
●● neutrons.
Answer: Uncharged elementary particles with a weight slightly higher
than a proton are called:
●● nucleus.
Answer: The area known as the center of an atom is called the:
QUESTIONS WITH SOLUTIONS GRADED A+
●● not following safety practices.
Answer: One cause of overexposure is:
●● Wilhelm Röntgen.
Answer: Who discovered x-rays?
●● 8 November 1895.
Answer: When were x-rays discovered?
●● Marie Curie.
Answer: Who coined the term "radioactivity"?
●● Henri Becquerel.
Answer: Who discovered radioactivity?
●● Ernest Rutherford.
Answer: Which pioneer discovered that radioactive material has a half-
life?
,●● 4 days.
Answer: How long after news of x-rays reached the U.S. were they first
used?
●● not following established procedures.
Answer: The main cause of overexposures of radiographic personnel is:
●● long hours, time constrictions, and weather.
Answer: Mistakes leading to an overexposure can be caused by:
●● number of protons in the nucleus of an atom.
Answer: The atomic number represents the:
●● total number of protons and neutrons in the nucleus of an atom.
Answer: The atomic weight represents the:
●● particulate and electromagnetic.
Answer: The two basic types of radiation are:
●● decrease.
Answer: As the wavelength of an x-ray increases, the penetrating ability
of the radiation would:
, ●● Van de Graaff generator, linear accelerator, and betatron generator.
Answer: Which three of these would be considered high voltage
generators: Van de Graaff generator, linear accelerator, glass x-ray tube,
betatron generator?
●● origin.
Answer: The main difference between x-rays and gamma rays of the
same energy is the:
●● electrons.
Answer: Elementary particle units with a negative electrical charge and a
weight approximately equal to 1/1840th that of a proton are:
●● protons.
Answer: Positively charged elementary particles with a weight of 1AMU
are known as:
●● neutrons.
Answer: Uncharged elementary particles with a weight slightly higher
than a proton are called:
●● nucleus.
Answer: The area known as the center of an atom is called the:
