Jr INTER PHYSICS IMPORTANT
QUESTIONS
8 MARKS
1.
State law
of conservation of energy and verify it in the case of freely falling body.
2.
State law of conservation of energy and verify
it in the case of vertically projected body.
3.
Obtain the expression for the acceleration of a
body moving down a rough inclined plane. Find the time taken by the body to
slide down the inclined plane.
4.
Derive the expression for Variation of g with
altitude and depth.
5.
Define Simple pendulum . Show that the motion of simple pendulum is
simple harmonic and derive equation for time period.
6.
Define Hooke's law in elasticity. Describe searle's
method to determine the young’s modulus of the material of the wire.
7.
Deduce the expression for the rise of liquid in
the capillary tube.
8.
Describe the necessary theory the gravity bottle
method to determine coefficient of apparent expansion of liquid.
9.
State Boyle’s law and Charles laws. Derive ideal gas equation.
10.
Define volume coefficient of a gas and describe Regnault's
method to determine the volume coefficient of a gas.
11.
Define pressure coefficient of a gas. Describe the jolly’s bulb experiment to
determine it.
4 MARKS
1.
What are
fundamental quantites? State their units in SI system.
2.
State parallelogram law of vectors. Derive the equation for the magnitude and
direction of resultant .
3.
Define scalar product . Give its properties with
two examples.
4.
Define vector product. Give its properties with two examples.
5.
Show that the trajectory of an object thrown at
certain angel with the horizontal is a parabola.
6.
Show that the trajectory of a object thrown
horizontally from certain height is parabola
7.
Derive the equation S = ut +
at2 using graphical method.
8.
Obtain expression for maximum height and range
of a projectile.
9.
Define KE, and Obtain expression for it.
10.
Define PE, and obtain expression for it.
11.
State and prove work-energy theorem
12.
Show that in the case of one dimensional elastic
collision relative velocity of approach of two colliding bodies before
collision is equal to relative velocity of separation after collision.
13.
Mention the characteristics of centre of mass.
14.
Mention the methods to decrease the friction.
15.
Why pulling lawn roller is preferred than
pushing the lawn roller.
16.
Explain advantages of friction and disadvantages
of friction.
17.
State and prove perpendicular axes theorem.
18.
State and prove parallel axes theorem.
19.
State the law of conservation of angular moment
and explain with examples.
20.
What is escape velocity? Obtain expression for
it.
21.
What is orbital velocity? Obtain expression for
it.
22.
Deduce the relation between g and G.
23.
Obtain the expression for the time period of
loaded spring.
24.
What are the conditions for a particle to
execute SHM?
25.
Describe the behavior of a wire under gradually
increasing load.
26.
What is the significance of the capillarity in
daily life?
27.
What is surface tension? Explain the surface
tension on the basis of molecular theory.
28.
Obtain the expression for excess pressure inside
the liquid drop.
29.
The variation of viscosity of liquids and gases
with temperature is opposite. Why?
30.
Derive the relation between coefficients of
linear ,areal and volume expansion on a solid
31.
Derive the relation between coefficients of real
expansion and apparent expansion of liquid.
32.
Derive the relation between volume coefficient
and pressure coefficient of a gas.
33.
Show that Cp-Cv =R in the
case one mole of ideal gas.
34.
Write Short note on triple point of water.
35.
Obtain expression for work done by an ideal gas
in isothermal process.
36.
Obtain expression for work done by an ideal gas
in adiabatic process.
37.
Compare isothermal and adiabatic process.
38.
Explain Kirchhoff’s law of radiation and give
two application of the law.
39.
State Stefan’s law of radiation. Write Boltzmann
explanation to it.
40.
Explain the thermal conductivity and coefficient
of thermal conductivity.
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