Inter 1st Year Physics Important Questions. We covered all the Inter 1st Year Physics Important Questions in this post for free so that you can practice well for the exam.
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Inter 1st Year Physics Important Objective Questions for Students
The scattering of α-particles by a thin gold foil suggests the presence of
(a) electrons in an atom
(b) protons in an atom
(c) a positively charged nucleus at the center of an atom
(d) isotopes of gold
Option c – a positively charged nucleus at the center of an atom
According to Rutherford’s Atomic Model, the electrons inside the atom are
(a) stationary
(b) not stationary
(c) centralized
(d) None of the above
Option b – not stationary
The Atom
(a) is the smallest particle of matter.
(b) is the biggest particle of matter.
(c) is made up of electrons, protons, and neutrons.
(d) Both (a) and (c)
Option d – Both (a) and (c)
Why did Thomson’s model of an atom fail?
(a) It did not give an idea about the discrete energy level.
(b) It explained the atom as a whole to be electrically neutral.
(c) It did not tell about the presence of electrons.
(d) None of the above
Option a – It did not give an idea about the discrete energy level
We covered all the inter 1st year physics important questions above in this post for free so that you can practice well for the exam.
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