30000+ Important MCQs for POLICE SI

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

P

Pritvik • 5.07K Points
Tutor III Chemistry

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)

No Explanation found. Add Explanation and get +2 points.

P

Pritvik • 5.07K Points
Tutor III Physics

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)

No Explanation found. Add Explanation and get +2 points.

L

Lalit Singh • 4.06K Points
Extraordinary Chemistry

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)

No Explanation found. Add Explanation and get +2 points.

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