MCQs: The strength of radiations to penetrate a certain material is known as
Category: Physics MCQs, Published by: teswesm
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MCQs: Radiations burn mainly due to
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MCQs: When alpha and beta particles are slowed down by collisions, they become
Category: Physics MCQs, Published by: teswesm
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MCQs: Cosmic radiations interact with atoms atmosphere to create
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MCQs: The spontaneous emission of radiation by unstable nuclei is called
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MCQs: The half-life of carbon-14 is
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MCQs: The atoms of an element which have the same number of protons but different number of neutrons in their nuclei are known as
Category: Physics MCQs, Published by: teswesm
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MCQs: To create a shower of secondary radiation, the cosmic radiation interacts with
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MCQs: In each fission event, the energy released is about
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MCQs: The half-life of a radioactive element is 10 minutes. If the initial count rate is 368 counts per minute, then the time for which count rate reaches 46 counts per minute would be?
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MCQs: Per year safe limit of radiation exposure is
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MCQs: As compared to electron, a proton is about
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MCQs: The cosmic radiation consists of
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MCQs: The spontaneous process in which a parent unstable nuclide changes into a more stable daughter nuclide with the emission of radiations is called
Category: Physics MCQs, Published by: teswesm
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MCQs: The safe level of radiation exposure per year is
Category: Physics MCQs, Published by: teswesm
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MCQs: When a heavy nucleus such as U-235 splits or fissions into two smaller nuclei by absorbing a small moving neutron, there takes place a
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MCQs: The greatest power of ionization is in
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MCQs: The radiations bend in the opposite direction in the magnetic field are
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MCQs: The radiation that does not change its direction inside the magnetic field is
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MCQs: The half-life of &¹⁵&₃N is 6.5 s. A sample of this nuclide of hydrogen is observed for 32.5 s. The fraction of the original radioactive isotope remaining after this time is
Category: Physics MCQs, Published by: teswesm
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