(A)Same
(B) λKa is shorter than λKb
(C) Their wavelengths vary with the applied voltage
(D) The relationship varies from target to target
Answer: (B) λKa is shorter than λKb
Category: FPSC Chemistry Lecturer Test Past Papers
FPSC Chemistry Lecturer (BS-17) Test Past Papers Solved MCQs Questions with Answers.
In Bragg’s equation, the maximum value of 2dSinƟ is when Ɵ is equal to:
(A) 0°
(B) 45°
(C) 60°
(D) 90°
Answer: (D) 90°
The volume of a primitive unit cell of an element is always:
(A) Equal to the volume of its body centered unit cell (B) Equal to the volume of its face centered unit cell
(C) Less than the volume of its body centered unit cell
(D) More than the volume of its body centered unit cell
Answer: (C) Less than the volume of its body centered unit cell
Which of the following crystal systems shows only one type of Bravais lattice?
(A) Cubic
(B) Orthorhombic
(C) Hexagonal
(D) Monoclinic
Answer: (C) Hexagonal
The uncertainly principle is applied to:
(A) Aeroplane
(B) Cricket ball
(C) Electron
(D) Earth
The Answer is : (C) Electron