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Learn POLICE SI MCQs with answers [Page 12 of Department 122]

P

Pritvik • 5.02K Points
Tutor III

114) Rutherford's scattering experiment related to the size of the 

(A) nucleus
(B) atom
(C) electron
(D) neutron
Correct Answer - Option (A)

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Pritvik • 5.02K Points
Tutor III

115) Isotopes of the same elements have

(A) same number of neutrons
(B) same number of protons
(C) same atomic mass
(D) different chemical properties
Correct Answer - Option (B)

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P

Pritvik • 5.02K Points
Tutor III

116) Wavelength of which of the following colors of the visible spectrum of light are maximally absorbed by green plants 

(A) green and yellow
(B) red and blue
(C) green and red
(D) blue and yellow
Correct Answer - Option (B)

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P

Pritvik • 5.02K Points
Tutor III

117) The particle with 13 protons and 10 electrons is

(A) AI - atom
(B) AI3+ ion
(C) nitrogen isotope
(D) none of these
Correct Answer - Option (B)

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Lalit Singh • 4.06K Points
Extraordinary

119) Rate of diffusion of a gas is

(A) directly proportional to its density
(B) directly proportional to its molecular mass
(C) directly proportional to the square of its molecular mass
(D) inversely proportional to the square root of its molecular mass
Correct Answer - Option (D)

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