Kerala PSC Previous Years Question Paper & Answer
Page:4
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'STATION OFFICER English' And exam conducted in the year 2019. And Question paper code was '006/2019'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
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A hollow metal sphere of radius 5 cm is charged such that the potential on its surface is 10 V. The
potential at the centre is :
@A 21% ® 10%
(0) 700 (D) None of the above
A magnetic needle is kept in a non-uniform magnetic field. It experiences :
(A) A force and a torque (B) A force but not a torque
(C) A torque but not a force (D) Neither a force nor a torque
An inductor L is allowed to discharge through a capacitor C. The emf induced across the inductor,
when the capacitor is fully charged is :
(ಯ) Maximum (B) Minimum
(೦ Infinite (D) Zero
The angular momentum of an electron in an orbit is quantized because it is a necessary condition
according 1௦ :
(¢) Wave nature of clectron (൫) Particle nature of electron
(C) Pauli's exclusion principle (D) None of the above
The state of an electron in an atom with principal quantum number n = 3 and orbital quantum
number 1 =2 is
(^) 38 ൫) 49
(0 38 0) 34
Atomic packing factor of the body centered cubic structure is :
८4) 74% ൫) 52%
© യ) 34%
The radius of the innermost orbit of the hydrogen atom is :
(& hZ%y/nme? (3) ण्ठ
© + 35 യ) மனி?
062019 4 A
