trb.tripura.gov.in STPGT Physics Previous Question Paper 2017 : Selection Test for Post Graduate Teachers

Organisation : Teachers’ Recruitment Board, Tripura
Exam : STPGT – Selection Test for Post Graduate Teachers
Document Type : Previous Year Question Paper
Subject : Physics
Code No : AF17—XVIII
Year : 2017
Website : https://trb.tripura.gov.in/

TRB Tripura STPGT Physics Previous Question Paper

Question Paper of TRB Tripura Selection Test for Post Graduate Teachers Physics Question Paper 2017 is now available in the official website of Teachers’ Recruitment Board, Tripura.

Related : TRB Tripura STPGT Political Science Question Paper : www.pdfquestion.in/29510.html

Instructions for Candidates

1. Use Black Ballpoint Pen only for writing particulars of this Question Booklet and marking responses on the OMR Answer Sheet.
2. This test is of 2 hours and 30 minutes duration and consists of 75 MCQ-type questions. Each question carries 2 marks.

3. There is no negative marking for any wrong answer.
4. Rough work should be done only in the space provided in the Question Booklet.

5. The answers are to be marked on the OMR Answer Sheet only. Mark your responses carefully since there is no chance of alteration/correction.
6. Use of eraser or whitener is strictly prohibited.

Download Question Paper :
https://www.pdfquestion.in/uploads/STPGTPhysics.pdf

Model Questions

Direction : Answer the following questions by selecting the correct option.
1. In a one-dimensional collision between two identical particles A and B, B is stationary and A has momentum P before impact. During the impact, B gives impulse J to A. In this case, the coefficient of restitution is
(A) 2J/P-
(B) 2J/P+
(C) J/P+1
(D) None of the above

2. A sphere A, moving with a speed u and rotating with an angular velocity w, makes a head-on elastic collision with an identical stationary sphere B. There is no friction between the surfaces of A and B. Disregarding gravity
(A) A will come to rest and stop rotating
(B) B will move with a speed u and rotate with an angular velocity w
(C) B will move with a speed u without rotating
(D) None of the above

3. A charged particle X moves directly towards another charged particle Y. For the (X +Y ) system, the total momentum is P and the total energy is E. Then
(A) if Y is fixed, neither E nor P is conserved
(B) if Y is fixed, E is conserved but not P
(C) P and E are not conserved if both X and Y are free to move
(D) None of the above

4. A ball A, moving with kinetic energy E, makes a head-on elastic collision with a stationary ball with mass n times that of A. The maximum potential energy stored in the system during the collision is
(A) nE n -1
(B) nE n +1
(C) En
(D) None of the above

5. Two bodies of masses m and M (M >> m) are attached to the two ends of a light string passing over a fixed ideal pulley. When the bodies are in motion, the tension in the string is approximately
(A) (M -m)g
(B) mg
(C) 2mg
(D) None of the above

6. A frame of reference S2 moves with velocity rv with respect to anotherframe S1. When an object is observed from both the frames, its velocity is found to be rv 1 in S1 and rv 2 in S2. Then rv 2 is equal to
(A) r r v1 + v
(B) r r v1 – v
(C) r r v – v1
(D) None of the above

7. A man of mass m stands on a long flat car of mass M, moving with velocity v. If he now begins to run with velocity u, with respect to the car, in the same direction as v, the velocity of the car will be
(A) v mu M –
(B) v mu m M – +
(C) v mu m M + +
(D) None of the above

8. A uniform chain of mass m hangs from a light pulley, with unequal lengths hanging from the two sides of the pulley. The force exerted by the moving chain on the pulley is
(A) mg
(B) > mg
(C) < mg
(D) None of the above

9. A uniform rod of mass m and length l makes a constant angle q with an axis of rotation which passes through one end of the rod. Its moment of inertia about this axis is
(A) ml 2 3 sinq
(B)ml 2 2 3 sin q
(C)ml 2 2 3cos q
(D) None of the above

10. If the total energy of a particle is negative but not minimum, then the path is
(A) hyperbolic
(B) circular
(C) elliptical
(D) None of the above

11. The numbers of coordinates required to describe a collision in laboratory frame and centre of mass frame are respectively
(A) 6 and 1
(B) 6 and 3
(C) 6 and 2
(D) None of the above

12. The orbit of an artificial satellite is
(A) hyperbolic
(B) circular
(C) elliptical
(D) None of the above

13. Which of the following operator relations is true for rotating and on-rotating frames (where dashed operator is in rotating frame and undashed in non-rotating frame)?
(A) d dtd dt º ¢ – X rw
(B) ¢ º – d dt d dt Xr w
(C) d dt d dt º ¢
(D) None of the above

14. The Hamiltonian H of a system has the dimension of
(A) force
(B) work
(C) displacement
(D) None of the above

15. The relation between linear acceleration a and angular acceleration a of a rigid body is given by (symbols have their usual meanings)
(A) r r r r r a = a ´ r + w ´ v
(B) r r r r r a = a ´ r – w ´ v
(C)r r r a = a ´ r
(D) None of the above

16. The moment of inertia of a hollow cone of mass M about its own axis is (where R is radius of bottom surface of the cone)
(A) MR 2
(B) MR 2 3
(C)MR 2 2
(D) None of the above

17. The principal axes of a rigid body represent
(A) three mutually perpendicular axes fixed in the body
(B) option (A) along with the condition that the product of inertia about the axes is non-zero
(C) option (A) along with the condition that the product of inertia about the axes is zero
(D) None of the above

18. A particle moves in the xy-plane so that its position vector is given by rr = acoswt i$ + bsinwt $j The force acting on it is
(A) towards the origin and proportional to distance
(B) away from the origin and proportional to distance
(C) towards the origin and proportional to square of distance
(D) None of the above

20. When a sphere rolls down an inclined plane, then identify the correct statement related to the work done by the friction force.
(A) The friction force does positive translational work
(B) The friction force does negative rotational work
(C) The net work by friction is zero
(D) None of the above

21. The velocity profile of a liquid flowing through a capillary tube is
(A) straight line
(B) parabolic
(C) hyperbolic
(D) None of the above

22. Two small balls of same metal, one having a radius twice the other, are dropped in a tall jar filled with a liquid. The terminal velocity of the larger ball as compared to that of the smaller ball will be
(A) same
(B) four times
(C) twice
(D) None of the above

23. The relation among Y, h and s is (symbols have their usual meanings)
(A) Y = 2h(1+ s)
(B) Y = h(1+ s)
(C) Y = h(1+ 2s)
(D) None of the above

24. A raindrop reaching the ground with terminal velocity has momentum P. Another drop of twice the radius, also reaching the ground with terminal velocity, will have momentum
(A) 32P
(B) 16P
(C) 8P
(D) None of the above

25. When an air bubble rises from the bottom of a deep lake to a point just below the water surface, the pressure of air inside the bubble
(A) is greater than the pressure outside it
(B) is less than the pressure outside it
(C) increases as the bubble moves up
(D) None of the above

26. The escape velocity for a planet is ve. A particle starts from rest at a largedistance from the planet, reaches the planet only under gravitational attraction and passes through a smooth tunnel through its centre. Its speed at the centre of the planet will be
(A) ve
(B) 1×5ve
(C) 1×5ve
(D) None of the above

27. A uniform rod of mass m is hinged at its upper end. It is released from a horizontal position. When it reaches the vertical position, what force does it exert on the hinge?
(A) 2·5mg
(B) 1·5mg
(C) 2mg
(D) None of the above

28. A vertical cylinder is filled with a liquid. A small hole is made in the wall of the cylinder at a depth H below the free surface of the liquid. The force exerted on the cylinder by the liquid flowing out the hole initially will be proportional to
(A) H
(B) H
(C) H 3/2
(D) None of the above

29. A ring of mass m rolls down an inclined plane with acceleration a without slipping. The plane makes an angle q with the horizontal. The force of friction acting on the ring is equal to
(A) ma
(B) mgsinq
(C) m(gsinq – a)
(D) None of the above

30. A simple pendulum swings with angular amplitude q. The tension in the string when it is vertical is twice the tension in its extreme position. Then cosq is equal to
(A) 3/4
(B) 1/3
(C) 1/2
(D) None of the above