Physics Final Exam

Which of the following is a fluid?
a. helium
b.ice
c.iron
d.gold

Which of the follwing is not a fluid?
cabon dioxide
hydrogen
sea water
glass

because of buoyan force act opposite direction of gravity,

which of the following stements about floating objects is correct?

which statement is not correct bout fluids?

which of the following statents about completely submerged objects resting on the ocean bottom is correct?

the temperature in container of fluid is

Increasing the temp of fluid

for an ideal fluid flowing through a horizontal pipe Bernoulli;s equattion stat the sume of pressure and energy per unit volume along the pipe does which of the following

municipal water supply is provided by a tall tower. Water from this tower flows to a building. How does the water flow of the ground floor fauset compare to an second floor fauset?

person is standing near the edge of a railroad track when a high speed train passes. Ther person tends to be . . .

which is not a bariable that decribes teh macroscopic state of an ideal gas

whcich is not an example of approximate simple harmonic motion

triplin the displacement from equilibrium of an object in simple harmonic motion will change the magnitude of the objects maxx acceleration by what factor

a mass attached to a spring vibrates back and forth. At equilibrium postion

a mass attched to a spring vibrates back and forth. and mas displacemtnt the spring force and the

a simple pendulum swings in simpl harmonic mostion at max displacment

the angle bw the string of pendulum at its equilibrium position and at its masimum displacement is its

for a mas hanging form a spring the max displacement the spring is stretched or compressed from its equilibrium postion to

which of the following is the time it takes to complete a cycle of motion

which is the following is the number of cyucles or vibration per unit of time

how are frequency and period realtated in simpe harmonic motion

by what factor should the length of simple pendulum be changed if the period of vibrations were to be tripled

whcih of the following is single nonperiodic disturbance

which is following is wave whose source is some from of repeating motion

on ed of taunt rope is fixed to a ost what type of wave is demonstrated in the free end is quickly raised

on the ongitudeianl wave the compressed regions corespond to

the wave for of longitudinal wave (stetched region ) coreespond to

what happens to the energy carried in a givin time interval by a mechanical wave when the wave's amp. is doubled

what happens ot energy carried in a given time tinterval by mechanical wave whent he wave's amp is halved

tow waves can occupy the same b/c waves are

superposition of mechanical waves can be observed in movement of

which of the following is the enterference that results when individual displacements on the same side of the equilibrium position are added together to form the resultant wave

which of following is interferecne that results when individual displacement on opp sides of the equilibrium postion are added together to form the resultant wave

2 waves going toward eachother with on big hump and on small hump will cause what type of interfernce

2 wave goign at eachother with a big hump and a small dip will cuase

2 wave going at eachother with an equal hump and dip will cause

consider to identical wave pluses on rope suppose the first reachees the dixed end of the rope is reflected back and the n meets the scond pulse when the pulses overlap exactly the supersosition principle perdicts taht the amp of resultan pulse at monment will

fixed boundry waves are

a studend send pulse traveling on rope wiht one end attached to post studedn will observe

standing waves are produced by periodic waves of

how many nodes and antinoded are shown

fewest number of nodes a standing wave can have

how many nodes and antinode are show in standing wave above

sound waves

the rough of the since curve used to represent a sond wave correspond to

whcich of th following is region opf a longituinal wave in whcih the density and pressure are greater than normal

which of the followin is the region of a longitudinal wave in which the density and pressure are laess than normal

how haigh or low we percive a sond to be is defined at

which of the following is the number of cycles per unit of time

pitch refers

whish has a higher speed of sound

which statement about sound waves is correct

which of the following are series of comperssion in graphical representation of spherical and plane waves

as a train stats from rest hen accelerates down the track coming toward an observer faster and faster the frequence of the sound waves coming toward th eobserver will

doppler effect occurs with

as sound source approahes and the moves past a stationary observer the observer will hear

if yo hear th pitch of sieren become lower you know that

if you are on train ho wwill pitch of the whistle sound as the train moves

property of sound call intensity is

the intensity of sound is increased by a factor of 100 the new decible level will be

what is intensity of sound wave in relation ot the intensity aat the thershold of hearing

which of the followin is the ocndition that exists when the frequency of a force applid to system matches the natural frequence of vibration of the system

sound twince the intensity of the faintest audible sound is not perceived as twice as loud b/c the sensation of ludness is

for standing wave in the air column in a pipe that is open at both ends, ther must be at least

both end of pipe are open

in one end of pice is closed

effecto of sound on the ear are loudness pictch and quality. Loudness is effect of _________, pitch is an effect of __________, and timpbre is an effect of __________

which of the followin si the quality of a steady musical sond that is the result of a mixture of harmonics present at different intensidties

describes and instruments own characteristic full sond and mix of harmonics at varying intensities

phenomenon in created by 2 tuning forks side by side that emit frequences tht differ by only a small amount

beats are formed by interfernce of 2 waves

which portion of electromagnetic spectrum is used in a telvision

electromanetic spectrum used in aircraft navigation

which portion o fhte elctromagnetis spectrum is used to sterilize medical instruments

which portion of electromagnetic spectrum is used to id fluoresent mineralst

in a vacuum electromagnetic radiation of short wavelenghts

when red light is compred with vilet light

if yo know the wvelenght of any form of electromagnetic radiation you can determine its frequency b/c

relation ship b/w frequence wavelenght and speed holds for light waves b/c

farther ligh is form source

reading a ook and move twice as far form light source hw does brightness compare

snow reflects ammost all of light incedent upon it however a single beam of light is not relfected in the form of paralled rays. this and example of ________ relectio of a _______ surface

highly polished finsh on a new car provides a __________- surface for _____________ reflection

when incoming rays of light strike a flat mirror at an angle close to the surface of mirror the reflected rays are

when straight line is drawn perpendicular to flat miior the point where an incoming ray strike the mirror's surfcae the angles of incedence and reflection are measured from the normal and

if ligh ray strikes a flat mirror at and angle of 27 degrees from normal the relected ray will be

image of obj in flat miror is always

when two parllel miiror are places os they face one onther ___________ images from thsi is b/c the mage in one mirror becomes the _________ for the other

which of the following best decribes the image produced by a flat mirror

when the reflection of an obj seen in flat mirror the distiance form mirro to image depends on

in a concave mirror an obj in bw the focal point and mirror would be

in a convex mirror an obj in bw the focal point and mirror would be

best decribes image of concave mirror when obj is greater distance the twice the focal point distance from mirror

when relection on and obj is falst mirro the image is

parabolic mirror insteat of sherical mirror can be used to reuce the occurence of

red light and greend light shine on same spot of white paper the spot apperars

not a dditive primary color

color ellow pigment subtract form white lighe

which is not a primary subtactive color