PHY191 TMA

 restoring force
 acceleration does not increase perpetually
 de-acceleration
 non of the aboveQ2 The simple pendulum has its equilibrium position at the __________.
 center
 left
 Right
 Few centimeters before the right
Q3 When ploting graph the following condiction is considered except ______________ .
 a brief title at the top
 the range of scales for both x and y-axis
 the maximum and minimum value
 all of the above
Q4 When ploting a graph what do we consider first ?
 a brief title at the top
 the range of scales for both x and y-axis
 the slope of the graph
 drawing the lines
Q5 we can better visualise the functional relationship between two physical quantities by ___________
 calculating the difference
 plotting a graph between them
 by obtaining the frictional force
 non of the above
Q6 Given distance S = 0.63 ± 0.02 m and time T = 0.63 ± 0.02 m obtain fractional error in velocity V ?
 0.37 ± 0.02 ms-1
 0.59 ± 0.025 ms-1
 0.07 ± 0.03 ms-1
 0.35 ± 0.025 ms-1
Q7 which of the following is not a source of random error ?
 Observational
 Environmental
 A and B
 all of the above
Q8 In most of the physics experiments our objective is to determine ________________.
 values of objects
 relationship between physical quantities
 significance of varous object
 advers effect of some quantities
Q9 When is a digit said to be significant
 when it is precise
 when it affect the relative error
 when it affect the zero error
 non of the above
Q10 When measuring intersteller distances, we use __________, numbers
 very large
 very small
 medium
 non of the above
Q11 While measuring interatomic distances, we use __________,` numbers
 very large
 very small
 medium
 non of the above
Q12 ________ is define as the ratio of possible error to the total measurement.
 relative error
 possible error
 zero error
 error due to parralax
Q13 A measurement of 5.32 cm and 5.3 cm, which is more precise ?
 5.32 cm
 5.3 cm
 A and B
 non of the above
Q14 the instruments having smaller units of measure will give more________________.
 precise measurement
 wrong measurement
 correct value
 non of the above
Q15 The _____________ is thus due to inherent imprecision in measuring devices.
 possible error
 prescision
 random error
 zerro error
Q16 the ________ nature of measurement let us reflect on the process of measurement of length.
 exact
 inexact
 approximation
 non of the above
Q17 One of the following is a cause of error in experimental measurement
 introduction of air
 using wrong measuring device
 faulty component
 non of the above
Q18 The negative sign in hooks law signifies ____________
 restoring force
 elastic limit
 yielding point
 breaking point
Q19 How does a spiral spring behave like an elastic material?
 subjecting under force
 sujecting under pressure
 subjecting under heat
 all of the above
Q20 __________ is allowed to dangle freely on the working bench in specific gravity experiment.
 the rope of length
 the retort stand
 the pendulum bulb
 non of the above
Q21 Pour out the __________ and clean it again with the_______________and dry
 water, Methylated spirit
 kerosene, Methylated spirit
 caustic soda, Methylated spirit
 nitric acid, Methylated spirit
Q22 Weigh the_________, _________ and the__________ all together
 beaker, stopper & kerosene
 bottle, stopper and the kerosene
 cylinder, stopper and water
 non of the above
Q23 Fill the bottle with ___________ whose relative density is to be determined
 kerosene
 water and kerosene
 water
 non of the above
Q24 Weigh the bottle and stopper empty by using the __________ and record this mass as m1.
 weighing balance
 spring balance
 beam balance
 non of the above
Q25 Clean the bottle and stopper with_____________ and dry it by using a hot air drier.
 water and soup
 nitric acid and caustic soda solution
 Methylated spirit
 kerosene
Q26 ____________ helps to achieve Q77 above?
 cronicle flaske
 specific gravity bottle
 special stoper on the bottle
 beaker
Q27 The volumes of the liquid and the water are made to be equal by using the ____________ .
 cronicle flaske
 measuring cylinder
 specific gravity bottle
 beaker
Q28 _______ is defined as the ratio of the mass of the liquid over the mass of an equal volume of water?
 specific gravity
 liquid density
 relative density
 non of the above
Q29 The relative density of a liquid is defined as _______________
 weight W / normal reaction R
 Density of the liquid/Density of water
 mass of the liquid/Density of water
 force of liquid/mass of water
Q30 State one material needed for the Determination of relative density of kerosene using the specific gravity bottle.
 retort stand
 clearing fluids
 Balance and weights
 rope of length
Q31 What can we obtain by plotting the graph of SinӨ on vertical axis against CosӨ on the horizontal axis,
 acceleration due to gravity
 the weight on the wooden block
 coeficient of static friction
 the potential energy
Q32 Attaching different weights on the wooden block can ___________ the wooden block.
 breake
 change the structure of
 vary the normal reaction of
 shift the allignment of
Q33 the coefficient of friction p, is the coefficient of friction p, is defined as _________.
 µ = Fr/R
 µ = Tan Ө
 Ө = Tan – 1 h/x
 non of the above
Q34 The normal reaction R on the inclined plane is _________ .
 WSinӨ
 WCosӨ
 QcosӨ
 non of the above
Q35 The limiting frictional force (Fr) is equal to __________ .
 QcosӨ
 WSinӨ
 wcosӨ
 non of the above
Q36 The ________, which enables the wooden block just to glide, is then noted.
 Arc
 angle Ө
 glass prism
 force
Q37 By gradually raising the upper board______________is made between the upper and lower boards.
 an angle Ө
 An arc
 A relationship
 non of the above
Q38 On top of the upper board is placed a _________ .
 wooden block
 A glass prism
 wooden block and glass prism
 non of the above
Q39 The inclined plane is made up of________________ hinged at one end.
 two wooden boards
 one wooden board
 rectangular glass prism
 four wooden blocks
Q40 what is the other way to determine the coefficient of static friction?
 use of an inclined plane.
 by obtaining the acceleration due to gravity g
 by obtaining the frictional force
 non of the above
Q41 In an experiment to determine the surface tension of water by rise in a capillary tube, one of the following is a proceedure to follow.
 Attach to the lower end the first of the slotted weights
 Fill the beaker with water to the brim
 Suspend the spiral spring vertically on the retort stand firmly
 Determine the mean time t
Q42 _______ and ________ are the clearing fluids required for the Determination of surface tension of water by rise in a capillary tube.
 sodium oxide and nitric acid
 nitric acid and caustic soda solution
 sodium oxide and caustic soda
 non of the above
Q43 Which of the apparatus is not needed for the determination of acceleration due to gravity by means of simple pendulum from inaccessible height.
 Meter rule
 A hook on the ceiling of the room or laboratory
 Stop watch
 Retort stand and clamp
Q44 which of the following is the equation of the restoring force.
 F = mg sin Ө
 F = mg cos Ө
 F = mg tan Ө
 non of the above
Q45 Which of the apparatus is not needed for the determination of acceleration due to gravity g.
 Small pendulum bob
 Split cork
 Stop watch
 all of the above
Q46 Determine the error of sine of 90°, when the error in the angle is 0.5°.
 zero.
 ± 2.10
 ± 2.89
 non of the above
Q47 Compute the error in the sine of 30° ± 0.5°.
 ± 0.008.
 ± 0.08
 ± 0.018
 ± 0.8
Q48 Find the error propagation in the following length L1 = 1.746 ± 0.010 m & L2 = 1.507 ± 0.010 m
 1.14 cm
 0.014 m
 0.14 cm
 non of the above
Q49 what is precision index of the values in question (33) above
 1.334 cm
 0.334 cm
 0.375 cm
 0.376 cm
Q50 What is the average value of the following length 11=135.0cm,/2=136.5cm,13=134.0 cm, /4=134.5 cm
 135.0 cm
 145.0 cm
 135.6 cm
 non of the above
Q51 The following are types of systematic error except ____________
 random error
 zero error
 Back lash Error
 End Correction
Q52 Which of the following is a type of error
 random error
 zero error
 defect calibration
 faulty observation
Q53 what is the least count of a screw gauge?
 0.001cm
 0.1mm
 0.01mm
 1mm
Q54 what is the least count of a vernier caliper?
 0.001mm
 1mm
 0.1mm
 0.1cm
Q55 what is the least count of a meter scale?
 1mm
 1.1mm
 1cm
 0.1cm
Q56 Scientific measurements are usually expressed by using ________
 scientific notations.
 dependency rule
 approximation rule
 SI unit system
Q57 subtract 2.11 from 2.1546
 -0.0446
 0.0446
 -0.045
 -0.04
Q58 Divide 9.5362 by 3.2
 3
 2.98
 2.9
 all of the above
Q59 Multiply 2.3 by 1.23
 2.829
 2.83
 2.8
 all of the above
Q60 Write this in scientific notation 0.00000000000000000000003g
 3 x 10-23 g
 3x1023g
 3x1024g
 3×10 21g
Q61 From relative error, which of the following is more accurate
 40.0 cm
 8.0 cm
 A and B
 all of the above
Q62 Which of the following measured values are more precise
 $$20.56^ {o}C $$
 $$32.22 ^{o}C$$
 $$20.6{^o}C$$
 A &B
Q63 Which of the following measured values are more precise.
 17.9 cm
 19.87 cm
 19.8 cm
 29.8 cm
Q64 what possible could occur when measuring the length of a substance
 error due to paralax
 error due to faulty apparatus
 error due to human judgement
 error due to wrong judgement
Q65 What kind of error occure due to faulty measuring instrument.
 error due to paralax
 zero error
 error due to human judgement
 all of the above
Q66 Why are experimental result inexact
 due to error
 unwanted mistaks
 lack of concetration
 non of the above
Q67 What determine the values of an experimental data/result
 quality of measuring instruments.
 the experimental graphs
 the samples for the experiment
 the table of values
Q68 When carrying out scientific experiment the values are recorded as _________
 approximate values
 experimental result
 exact results
 inexact result
Q69 Non-linear equation are inform of _________
 quadratic
 simultanous
 matrix form
 $$v=d/t$$
Q70 Which of the equations discribed the graph passing the origin.
 y=ax+bx
 y=mx+b
 $$v=d/t$$
 $$y=mx/b$$
Q71 The equation that relate anwser to question one above is _________
 y=ax+bx
 y=mx+b
 $$v=d/t$$
 non of the above
Q72 If the graph produced is a straight line, then the relationship is described as _______
 linear
 non-linear
 velocity
 non of the above
Q73 Graphs are _________ ways of showing how two physical measurements are related.
 pictorial
 variable
 independent
 condictional
Q74 The following are examples of a non-linear graphs except
 Displacement-time
 velocity-time
 Newton’s cooling curves
 all of the above
Q75 Which of the following is the best equation of a non-linear graph
 y=mx+b
 y=ax+bx
 y=mx-b
 $$y=m(x+b)$$
Q76 Which of the following is the best equation of a linear graph
 y=mx+b
 $$y=ax+bx$$
 $$ y=mx-b$$
 $$ y=m(x+b)$$
Q77 The following are types of graphs except
 linear graph passing the origin
 reducing non-linear equation to non equation
 non linear graph passing the origin
 non of the above
Q78 How do we determine the relationship between two variables
 graph
 experimentation
 measurement
 non of the above
Q79 The following is an example of fundamental quantities except _________
 force
 mass
 length
 time
Q80 The Physics Practical is to enable us determine some physical constants except __________
 acceleration due to gravity
 specific heat capacity
 force constant of a spiral spring
 all of the above