SZABMU MDCAT 2024 PAPER PART – 4 1. The relative permittivity of iron is in: NOTE: THIS QUESTION WAS CANCELLED ACCORDING TO KEY Thousands Hundreds Zero Tens 2. According to quantum theory the radiation must appear in the form of: Photons Electrons Neutrons Protons 3. Gamma radiations are emitted due to: Excitation of nucleus De excitation of nucleus De excitation of atom Excitation of atom 4. 2H4 represents: γ- rays β- rays α- rays δ- rays 5. The half-life of iodine – 31 is: 45 days 8 days 10 days 60 days 6. The relationship between the decay constant λ and the half-life T 1/2 is: λ= T 1/2 x 0.693 T 1/2 = 0.693/λ T = 1/2 / 0.693 T 1/2 = λ / 0.693 7. Skin burn, loss of hair, drop in white blood cell and induction of cancer are example of _____ radiation: Genetic effect Biological effect Somatic effect Zener effect 8. Leptons are the group of particles which are: Less massive than the heaviest hydrons More rnassive than heaviest hydrons Less massive than the lightest hydrons More massive than the lightest hydrons 9. A meson consist of a: Quarks and hydrons Only quarks Anti-quarks Quark and an antiquarks 10. Geiger Muller Counter’s wire is maintained at: Negative 1000 V Positive 1000 V Negative 10,000 V Positive 10,000 V Loading … Pages: 1 2 3 4 5 6
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