West loose deluxe high school 92 academic years the second semester second time be mid-term to test
West loose deluxe high school 92 academic years the second semester second time be mid-term to test
The foundation physics tries to set question a teacher: king's peace and health
A, the list chooses to please to row card to make to answer
( ) 1. Which scientist revised Newton's mechanics, science giant(A) become after Newton Einstein(B) wave the ear(C) gram of Bu Lang
(D)Copernicus.
( ) 2. Following which one is applied Laser and the example(A) supermarket of fiber optic to settle an account(B) the access data(C) of the computer CD CD to sing dish to broadcast a music(D) fiber-optic communication system with the bar code machine in the meantime.
( ) 3. A B two people mutually are apart from 100 meters by the side of the same river shore, two people measure respectively the opposite shore of the river view and river shore of one tree clip Cape to 45 and 53, the breadth of the river then is(A) 48 meters(B)57 meter(C)66 meter(D)75 meter(E) above all not.
( ) 4. "Light year" is an astronomical and in common use length unit, the meaning means light in a year in the distance go by, about is how much meter(A)3.0108(B)9.51012(C)9.51015(D)2.71020.
( ) 5. The car velocity had east to always drive is for the 25 ms/s, through 5, the speed of the car changes into a 25 ms/s toward the north, then this time inside the average acceleration of car why(A)0(B)5 ms/ses 25 ms/s in the northwests(C)2 northeast(D)5 ms/ses 2 southwest square.
( ) 6. One person sets out from the some position and go east a 30 ms first, and then went north 40 ms, this person finally be apart from an of point of departure to move to 10(B)(A)35(C)50(D)65 ms.
( ) 7. A cyclist puts on the brakes by etc. deceleration degree when the speed is 10 meters/ per second, come to a stop after skiding 3 meters, then from put on the brakes to stop last totally how much second(A)0.6(B)2.4(C)1.2(D)3.0(E)4.6.
( ) 8.
( ) 9. Which one include wrong(A) material to the description of Wu dint constant thick thin homology, more long spring coil, the dint constant is big(B) to merge more more many, the dint constant of the dint constant bigger(BE merge with same spring coil)(C) the more easy elongation of combination spring coil is small(D) more if 1 of interception spring coil, the constant of the dint then becomes big(E) together material, length, thick more spring coil dint the constant is big more.
( ) 10. The quality of one object is a 2 kgs, is started be subjected to a certain dint function by the quiet and make it sport on the smooth horizontal plane;If its speed is a 21 ms/s after 7, then the function is in the outside dint on the object is(A)6(B)10.5(C)42(D)7 Ns.
( )11. A lead keeps hang of the spring coil bottom carry to hang one steelyard dish and up place Fa code to make "tiger gram laws" experiment, each Fa code quality is 10 gs, the experiment data,such as right watch, show, following then describe which one false(A) to hang steelyard dish, when the elongation of spring coil measures to be Fa code to count to 7 for the 1.2 cms(B), when the spring coil elongation measures for the quality of 2.6 cms(C) steelyard dish to hang 10 Fa codes for the 40 gs(D), the spring coil may have already exceeded flexible limit.
( )12.
( )13. Underneath that phenomenon or design, with the function of atmospheric pressure most relevant(A) car tire surface of the summons(C) of the veins(B) wireless electric wave use sucker sticky hook Wu wall(D) air-conditioner operation.
( )14. Have already known g=9.8 ms/s 2.The ground radius is a 6400 kms, universal gravitation constant G=6.67 ×s 10-11 Ns/m 2.Try to estimate the Earth quality about is how much kg(A)1010(B)1015(C)1020(D)1025(E)1030.
( )15. The someone takes barometer to climb from the bottom of the foot of a hill to summit of hill, measure under the foot of a hill of the atmospheric pressure is a 75.6 cms-Hg, is a 62.8 cms-Hg on the summit of hill, this person then climb to rise of height is how much meter(A)1800(B)1600(C)1400(D)1200(E)1000.
( )16. Close the Wu gives in the experiment of slice the benefit, following which descriptions is highly be free from of the false column of mercurieses pipe of inside the path thick thin influence(B) column of mercury top end had a vacuum appearance(C) to take care of glass to keep to slowly tilt to one side from the lead mercury would from outflow into the tube inside(D) if change to do this experiment with water pillar, water pillar of height is homology(E) to column of mercury height move to this experiment summit of hill in Jade Mountain, the height of column of mercury will descend.
( )17.
( )18. Weight 50 Newtons' objects be quiet to place Wu level table's top up, get in touch with the quiet coefficient of friction of noodles is 0.5, move coefficient of friction to 0.3, Shi Yi's level pulls dint the friction of 30 for(A)10(B)15(C)25(D)30 Newtons now.
( )19. If reset Wen Biao, make the boiling point that water presses down in an atmosphere engrave a degree to 0, freezing point is 100, following then describe which one correct(A) water in the freezing point is not 32 ° F(B) water of the freezing point is still a 273 Ks(C) aqueous of the boiling point still keep ising a 173 Ks(D) to use a this mark, aqueous on the high mountain of boiling point's lately engraving a degree will become a negative value.
( )20. The hot capacity of two objects compares to 3:2, the specific heat compares to 2:1, then quality ratio is how much(A)9:2(B)4:3(C)3:4(D)2:9.
( )21. A metals and specific heat which use the specific heat as 0.23 cals/g-° C is the C B metals of the 0.11 cals/g-°s, mix into the specific heat as the 0.15 cals/g-° C metal alloy, but its density are 4 and 3 gs/cm perspectively 3, then A metals and physical volume for B metals to mix ratio is(A)3:2(B)3:8(C)5:4(D)4:3(E)2:1.
( )22. When the calories occurrence of two objects deliver, its reason necessarily from the calories dissimilarity that the quality(B) temperature(C) specific heat(D) of Wu two objects(A) contain with the result that.
( )23. The ice of a cake of 10 gramses needs to absorb hot 800 cardses when the indoor temperature bottom of 20 ° Cs melt;If change when the environment of 40 ° Cs melt, calories that need to be absorb for(the assumption still presses for 1 atmospheres)(A)400(B)800(C)1600(D)2000(E)4000.
( )24.
( )25. After have the calories that a metals absorbs 100 cards, the temperature rise 2 ° Cs, then should the material specific heat is(A) 100 cards/gram-° C(B)50 cards/
Gram-° C(C)25 cards/gram-° C(D)150 cards/gram-° the C(E) be uncertain.
( )26. Make 1 gram of water go up one ° C and the calories need is one card;While then making water of 1 gram go up a 1 K, the calories need is(A) one 0.5(C)(D)237(E)80 cards(B).
( )27. Following pass Wu the description of the heat, the which one correct(A) and hot object will pass temperature cold object(B) ice and may be hot, can make some materials seethe(C) all solid all obey hot bulge cold Suo phenomenon(D)5 gram water at 20 Cs imply 100 cards(E) the external world to do to the system achievement can completely convert into heat.
( )28. Pure water at following what appearance, the most(A) gaseous(B) solid and liquid of the liquid(C) solid(D) in potential contain coexist appearance.
( )29. Don't account thermal loss, 10 grams of ice of 0 Cses with the steam of 5 gram 100 Cses, after mix of temperature why(A) the 100 Cs(B)50 Cs(C)33 Cs(D)0 Cs.
( )30. Summer the barefooted walks on the sandy beach in the daytime, feel that the sand is very hot, in the sea water but feel fresh and cool is spread heat by the specific heat small(C) sand of the specific heat small(B) water of Wu(A) sand slower(D) water to absorb heat quicker(E) water to spread heat quicker.
( )31. A cotton thread both ends binds a heavy thing and ride astride cotton thread ice-cubes up, the ice that is under the cotton thread is press, to compare with freezing point(A) ascension(B), its melting point descend(C) constantly(D) and above all not.
( )32.
( )33. If in the mercury thermometer, the bulge Suo degree small Wu glass of mercury, the thermometer of the mercury then engraves a degree, upwards square more, the temperature(A) is high more
(B)I am low(C) and uncertain(D) to can't judge more.
( )34.
( )35. Feel cool on alcohol's in hand arm, is because(A) alcohol originally the temperature lower(B) alcohol evaporation put hot(C) lcohol cooling(D) alcohol evaporation absorb hot.
( )36. When some machine revolve, beard depend cool off liquid to reduce the heat, if the work temperature of machine is 600 ° Cs, descend form in which kind of material the most suitable cooperation is the cold Mei of that machine
( )37. Cooling systems such as air-conditioner and refrigerator etc. from cold Mei, the compression machine, condenser, inflation valve, carburetor etc. constitute.Following describe which one false: (A)In the compression the machine, the external world does an achievement to the cold Mei, extrudes it to become heat high pressure air(B) in the condenser, the external world puts heat to the cold Mei and make it condense into liquid(C) to pass inflation valve, cold Mei can't outward the boundary do achievement(D) in the carburetor, the cold Mei will absorb hot, its pressure will reduce, and vaporization for near normal temperature of air(E) some cold Mei systems have already changed to use lately cold Mei to replace old cold Mei, the CCl2 F2 main purpose is protect atmosphere in of ozone layer.
( )38. When voice the wave deliver(A) an each pressures of air will heat up(B) a position that the pressure that the each pressures of air will lower(C) each time 1 sometimes increases Gao to sometimes descend(D) the Shu department vacuum place.
( )39. The voice wave can once round window way to spread to other rooms to go to, but light wave can't, this is because of(A) only the mechanics wave just has this kind of property(B) the primary wave only just has this kind of property(C) velocity of sound ratio velocity of light slowly, then can easily see above-mentioned phenomenon(D) light can keep then the voice wave can make a turn(E) a voice wave of the wave-length more nears the dimensions of window way.
( )40.
( )41. Establish voice's up in the air and aquatic speed distinguishes to 300 meters/ per second and 1500 meters/ per second, be apart from a surface helicopter of 60 meters to make a noise wave, after 0.8 receive echo, then the submarine is under the surface(A) at least 150(B)225(C)300(D)450 meters depths.
( )42. 1 probes into a ship to send out a straight voice wave to arrive bottom of sea, through 1.5 receive echo, if at the sea aquatic velocity of sound is 1500 ms/s, then at this position bottom of sea of depth is some ms(A)500(B)1000(C)1125(D)2250.
( )43. The reason of tone color dissimilarity is: (A)Voice the frequency dissimilarity(B) of the wave voice the wave of the wave soon different(C) voice the strength dissimilarity(D) of the wave voice the wave of the wave the form be different.
( )44. The decibel value distinguishes to 80 decibels two kinds of with 50 decibels voice, to in response to of the specific value of orotund strength(unit:watt/meter 2) is: (A) (B)10 (C)30 (D)1000.
( )45. The orotund strength of 100 decibels is some watts/squares.Second(A)10-2(B)10-4(C)10-6(D)10-10(E)10-5.
( )46.
( )47. Following some descriptions concerning enjoy sound and musical instruments, which one correct(A) give musical performance violin, the right hand pulls the function of bow is regulate the tone(B) play of wind instrument more short time, the tone send out is together also low(C) more the Xian of length, more thick, its tone is also low(D) to play a guitar more, when the strength is big more, flick ofopen the tone be also high more.
( )48. Is divided into do, re, me, fa, so, la in the music lieutenant general sound, the si is 7, its row row order is to press(A) to flap from the small but big(B) speed from the small but big(C) wave-length from long but short(D) frequency from big and small.
( )49. Influence the frequency factor of string instrument which irrelevant(A) Xian of the length(C) Xian of thick thin(B) Xian bring to the stretch of degree(D) Xian the air pressure of the surroundings.
( )50. Following shoot line in, which one don't shoot line(C) α to shoot line(D) γ to shoot line for the electromagnetic wave(A) microwave(B) x.
