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In radioactive element, β-rays are emitted from
Options
(a) Nucleus
(b) Outer orbit
(c) Inner orbit
(d) None of these
Correct Answer:
Nucleus
Explanation:
β-rays are emitted from nucleus.
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- A boat which has a speed of 5 kmh⁻¹ in still water crosses river of width 1 km long
- In a double slit experiment, the two slits are 1mm apart and the screen is placed 1 m
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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- There are four light-weight-rod samples A,B,C,D seperately suspended by threads
- A boat which has a speed of 5 kmh⁻¹ in still water crosses river of width 1 km long
- In a double slit experiment, the two slits are 1mm apart and the screen is placed 1 m
- A wire of one metre length carries a constant current. The wire is bent to form
- Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube.
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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