Define angle of repose and angle of friction.
State Newton's 2nd law and derive the relation between force and momentum
State & prove Lemi's theorem Siat.
State and prove Gauss's theorem
Why two electric field lines cannot intersect each other
Define Kirchhoff's first & second law
State and explain Coulomb's law
What is Bohr's atomic model?
What is doping of an intrinsic semiconductor? Name the charge carries in p-type semiconductors?
What do you mean by barking of road? Calculate the angle of banking so that a vehicle of mass m can go with velocity v on a curved road of radius r without skidding.
b) Calculate the weight of a body of mass m placed in lift, when the lift:
(i)Moves vertically upward with acceleration a.
(ii)Moves vertically downward with acceleration a.
(iii)Moves with constant velocity v.
(iv) At rest.
What is meant by limiting friction? Explain the laws of friction.
Two masses m1 & m2 are connected by a light string which passes over a friction less pulley such that mass m2 move vertically downward and m1
move vertically upward, calculate acceleration and tension in the string.
Prove that total energy o falling freely body under gravity will remains same at all points on its path.
b) Define conservative force. Prove that gravitational force is a conservative force. Also write the properties of conservative force.
What is Hooke's Law Calculate the Potential Energy of a spring when it is pulled to a displacement x from its mean position.
by Show that when two bodies of equal masses suffer elastic collision in I-dimension, they will exchange their velocities.
Obtain the expression for capacitance of parallel plate capacitor with dielectric slab.
Define electric field intensity. Calculate electric field intensity at any point on the axis of uniformly charged circular ring.
Find the total resistance when a number of resistances are connected in series and In parallel
Define Ohm's law. Explain the construction, working and principle & proof of wheat stone bridge with diagram in detail.
Distinguish between Insulators, conductors and semi conductors in term of their energy band diagrams.
Explain briefly Rutherford's alpha scattering experiment and the atomic model based on the result of this experiment.
What is p-n junction diode? Explain the action of forward bias
What is transistor? Explain construction and working n-p-n & p-n-p transistor with diagram.