11th class Physics chapter 5 online mcq test with answers for ICS part 1 Physics chapter 5(Circular Motion)

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Sr.#	Question	Answer
1	When sttess is increaed beyond elastic limti and material is permenetly changed this property is.	A. Elasticity B. Permanent stress C. Yield strength D. Plasticity
2	If the radius of droplete becomes half, then ints terminal vlocity will be.	A. Half B. Double C. One fourth D. Four time
3	Which of the following is a defining characteristic of a superfluid.	A. Zero Viscosity B. Infinite density C. Zero temperature D. Infinie thermal conductivity
4	An object moving in a fluid experience a retarding force called	A. Drag force B. Gravitational force C. Horizontal force D. Centripetal force
5	The maximum stress taht a body cna tolerate is called.	A. UTS B. Permanent stress C. Elastic strength D. Plastic stress
6	Fog droplet fall dobewn with terminal velocity its acceleration will	A. Less than g B. Greateer than g C. Equal to g D. Equal to zero
7	The region of stress-stain curve which obeys Hook's law is.	A. Propoertional Limit P B. lastic region E C. lastic region P D. yield limit Y
8	A solid in which atoms are in a regular order is called.	A. Crsytallne solid B. Amorphous solid C. Polymeric solid D. Glassy solid
9	The effect of decrease in pressure with increase in speed of fluid is.	A. Torricelli effect B. Venturi effect C. Photoelectric effect D. Bernoulli's effect
10	The viscosty of the gas with increase in temperature	A. Increase B. Descrease C. Remain same D. Sometimes increases and sometimes decrease