Model Question Paper Physics : Plus Two/ 12th Std/ +2/ HSE www.dhsekerala.gov.in

Board : Higher Secondary Education, Government Of Kerala
Exam : HSE Physics
Document type : Question Paper
Website : dhsekerala.gov.in

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Physics Model Question Paper :

Higher Secondary Examination 2012
Max Marks  : 60
HSE 1
Time  : 2.15 hrs
1. a). The dimensions of impulse are same as that of
(a)Force (b)Pressure (c)Velocity (d)Strain (e)Momentum

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b) The force acting on a body is denoted by F=at+bt2 where t is time.
(a) MLT-2& MLT (b) ML2T & MLT2 (c) ML2T-3&ML (d) MLT-3& ML
c) The time period of oscillation of a simple pendulum is recorded
2)Absolute Error
3) Percentage error ½+1 ½+3=5
2. The graph shows the velocity –Time Graph of a moving body in 1-D motion.
a) What do you mean by 1-D motion.
b) Obtain a general relation between initial velocity and final velocity in the region
c) Draw the corresponding a-t graph of the above motion. 1+1+1=3
3. a) Pick out the two scalar quantities in the following lists.
b) The position of the particle is given by r= 3ti-2t2j+4k where t is in second
i) Find v & a of the particle
ii) Give the magnitude &direction of velocity of the particle at t=2 s 1+3+1=5
4. Four person sitting in the back seat of a car at rest, is pushing on the front seat.
b) State the law which help you to answer the above question.
c) Give the significance of the law.
d) Long jumpers take a long run before a jump. Why. 1+1 ½+1 ½+1=5
5. A Circular track of radius 400m is kept with outer side of track raised
a) Name such track b) What is the optimum speed to avoid wear and tear of the tyre.
c) What is the maximum permissible speed to avoid skidding ½+1 ½+1=3
6. a) Match the following. Process Collision Physical quantity conserved
b) Obtain expression for velocities of two bodies after elastic collision
c) A Body moving towards a finite body at rest collides with it. It is possible that
1. Both the bodies move after collision. 2. Both come to rest
3. the stationary remains so and the moving body changes its velocity
4. None of these. 2+3+1=6
7. There is a story in Greek mythology, a stone thrown upward
a) What happens to the stone b) Derive an expression for such a situation
c) A space craft consumes more fuel in going from the earth to the Moon
8. Match the following Displacement Torque Iw
Force Moment of inertia AT Linear momentum Angle I a
9. When a longitudinal tension is given to a steel wire, it is elongated.
a) Name the law that gives the relation between applied force and elongation
b) State the law
c) Find out the load to be suspended at the end of a Brass wire

Physics :
Max Marks 60
HSE 1
Time 2.15 hrs
1. a). The dimensions of impulse are same as that of
(a)Force (b)Pressure (c)Velocity (d)Strain (e)Momentum (1/2)
b) The force acting on a body is denoted by F=at+bt2 where t is time. The dimensions of a and b are respectively
(a) MLT-2& MLT (b) ML2T & MLT2 (c) ML2T-3&ML (d) MLT-3& ML

c) The time period of oscillation of a simple pendulum is recorded in an experiment as 2.71S, 2.56S, 2.64S, 2.46S &2.69S respectively.
Find 1) Mean Period
2)Absolute Error
3) Percentage error ½+1 ½+3=5

2. The graph shows the velocity –Time Graph of a moving body in 1-D motion.
a) What do you mean by 1-D motion.
b) Obtain a general relation between initial velocity and final velocity in the region AB of the above graph.
c) Draw the corresponding a-t graph of the above motion. 1+1+1=3

3. a) Pick out the two scalar quantities in the following lists. Force, angular momentum , work, current, linear momentum, electric field, velocity, magnetic moment
b) The position of the particle is given by r= 3ti-2t2j+4k where t is in second
i) Find v & a of the particle
ii) Give the magnitude &direction of velocity of the particle at t=2 s 1+3+1=5