MODEL QUESTION PAPER
PHYSICS
HSE I Time: 2 hr
[Link]: 60 Cool of time: 15 min
Answer any five. Each question carries one mark
1) Light year has the dimensions of ………….
2) At the highest point of a projectile the ……………(horizontal / vertical) component
of velocity is zero
3) The unit of impulse is ………………..
4) The value of g is maximum at ………..(poles, centre of earth, equator)
5)…………..(Water/Air) is more elastic.
6) The period of a seconds pendulum is ………….. seconds.
7) Name the waves on the surface of water.
Answer any [Link] question carries 2 marks
6) Suggest a case for zero velocity and non zero acceleration.
7) Derive the expression for time of flight of a projectile
8) State work-energy theorem
9)
Which type of equilibrium exist in case A and B
10) Find the relation between orbital velocity and escape velocity
11) Give two characteristics of elastomers
12) Write four postulates of kinetic theory
Answer any six .Each question carries 3 marks.
13) Draw x-t, v-t, a-t graph for a freely falling body
14) Using velocity-time graph show that x-x0=v0t+1/2at2
15) From Newton’s second law of motion derive the expression for force
16) Show that torque is the rate of change of angular momentum
17) a) State Pascal’s Law of fluid pressure transmission .(1)
b) A car having mass 1350 kg is placed on a hydraulic lift . If the radius of
the small piston is 5 cm and radius of large piston is 15 cm,Calculate the
amount of force to be exerted on the small piston to lift the car (2)
18) Prove that the harmonics produced in an open pipe is in the ratio 1:2:3
19) Equation for displacement of a SHM is
Find the expression for velocity and acceleration of SHM .
Answer any three questions. Each question carries 4 marks
20) (a) State homogenity principle (1)
(b) Using this principle derive an expression for time period of a simple
pendulum provided period depends on mass of the bob(m) length of the
pendulum(l) and acceleration due to gravity(g) (3)
21) a) State the laws of static friction (2)
b) Determine the maximum acceleration of the train in which a box lying on
its floor will remain stationary. given the coefficient of static friction between the
box and the train floor is 0.15. (2)
22) Prove that the total energy of a free falling body is conserved.
23) a) Explain the anomalous behaviour of water (2)
b) Why water freezes from top to bottom (2)
Answer any three. Each question carries 5 marks
24) Define uniform circular motion. With the help of a neat diagram, derive the
expression for centripetal acceleration.
25) a) Derive the expression showing the variation of acceleration due to gravity
with height .
b) Find the height at which the value of g is reduced to g/2
26) a) What is capillarity.
b) Derive the expression for capillary rise
c) Why Mercury shows capillary depression .
27) Isothermal process is a process in which temperature remains constant
a) Give the equation for isothermal process (1)
b) Derive the expression for work done in an isothermal process (3)
c) A .5 mole of gas at temperature 400K expands isothermally from an initial
volume of 2L to 6L find the work done by the gas . (1)
1) CIBA JOSE 6)SANDHYA J .
9249719854 9497804159
2) LATHIKA M B 7) SAILY V
9037242410 8281069193
3) LAYA K S 8) SHIHABUDHEEN
9847663111 9447751691
4) MINI K A 9) SINDHU E G
9605370688 9496167001
5) NISA G 10) SREEJA S .
9847997825 9847732907
