11th class Physics chapter 9 online mcq test with answers for ICS part 1 Physics chapter 9(Physical Optics)

Top Scorers Of Chapter 9 "Physics ICS Part 1 Chapter 9 Online Test" MCQ`s Test

Sr.#	Question	Answer
1	A positive charge is placed at the center of sphere of radius r, then the electric flux depends upon	A. The radius of the sphere B. Quantity of charge C. The intensity of the electric field D. All of the above
2	The sum of currents in various resistors meeting at a point of the circuit.	A. Equals to the total current B. Exceed the totla current C. Less than total current D. None of above
3	The reciprocal of resistance is known as .	A. Conductance B. Reactance C. Conductivity D. Resistivity
4	To eliminate stray electric field interference, circuits of sensitive electonic devices are enclosed in.	A. Metal Box B. Insulating box C. Wooden box D. None of these
5	Electric bulb does not obey Ohm's law becasue	A. Temperature changes B. Resistance changes C. Heat is prodcued D. All
6	The redius of curvature of the path of a charged particle in a uniform magnetic field is directly proportiional to.	A. The particle's charge B. The particle's momentum C. The partcl's energy D. The flux density of the field
7	The Kirchhoff's first rule is the manifestation of law of conservation of.	A. Mass B. Charge C. Momentum D. Energy
8	Gaussian surface is	A. Imaginary B. Closed C. Both a and b D. Real
9	The vlaue of ralative parmittivity e r. for various dielectric is always.	A. Larger than unity B. Less than unity C. Equal to unity D. Slightly less than unity
10	Concept of field lines of force was introduced	A. Faraday B. Coulomb C. Franklin D. Gauss