sInfoEra
Home
MCQs
MCAT — Quiz
MCAT Physics Mcq Questions Fluid Dynamics
50 questions · Test your knowledge
Home
/
MCQs
/
MCAT Physics Mcq Questions Fluid Dynamics
1
Distance covered by a freely falling body in 2 seconds will be
A
4.9 m
B
19.6 m
C
39.2 m
D
44.1 m
2
The distance covered by a body in time t starting from rest is
A
at2/2
B
Vt
C
a2t/2
D
at2
3
Flight of a rocket in the space is an example of
A
second law of motion
B
third law of motion
C
first law of motion
D
law of gravitation
4
The trajectory (or path) of a projectile is
A
straight line
B
parabola
C
hyperbola
D
circle
5
At which angle the range of the projectile is maximum
A
45?
B
60?
C
30?
D
none
6
The force beared by a wall on which water strikes normally at a speed of 10m/sec and at a discharge of 0.0001m3/sec is.
A
1 N
B
10 N
C
100 N
D
none
7
Time rate of change of momentum is equal to
A
force
B
impulse
C
velocity
D
both (a) and (c)
8
The range of the projectile at 30? and 60? are
A
equal to 45?
B
equal to 90?
C
equal to each other
D
none of the above
9
Why Ballistic missile fails in some circumstances of precision.
A
due to their shape
B
due to air resistance
C
due to angle of projection
D
att of these
10
When two bodies move toward each other with constant speeds the distance between them decreases at the rate of 6m / sec. If they move in the same direction the distance between them increases at the rate of 4m/sec. Then their speeds are
A
5m/s, 1m/s
B
3m/s, 3m/s
C
6m/s, 1m/s
D
4m/s, 2m/s
11
Coefficient of viscosity of honey is greater than
A
milk
B
water
C
tarcoal
D
water
12
According to equation of continuity A1V1 = A2V2 = constant. The constant is equal to
A
flow rate
B
volume of fluid
C
mass of fluid
D
density of fluid
13
Equation of continuity is obtained by apply in law of conservation of
A
mass
B
energy
C
momentum
D
all
14
Velocity of fluid increases where the pressure is
A
low
B
high
C
constant
D
changes continuously
15
Speed of efflux can be determined by applying
A
Bernoulls theorem
B
Torricellis theorem
C
venture relation
D
all
16
Blood vessels are
A
rigid
B
not rigid
C
of glass
D
of rubber
17
Concentration of red cells in blood is about
A
25%
B
40%
C
50%
D
75%
18
A man standing near a fast moving train may fall
A
on the train
B
away from the train
C
towards the train
D
on himself
19
For which position maximum blood pressure in the body have the smallest value ?
A
standing straight
B
sitting on chair
C
sitting on ground
D
laying horizontally
20
Two fog droplets have radius 2:3 their terminal velocities are
A
04:06
B
04:09
C
02:09
D
4.3
21
Burnoullis equation is obtained by applying law of conservation of _
A
mass
B
energy
C
momentum
D
fluid
22
Venturi meter is used to measure
A
fluid pressure
B
fluid density
C
fluid speed
D
none
23
In cricket when a bowler produce reverse swing the ball will move towards
A
shinning side of the ball
B
rough side
C
seam of the ball
D
goes straight
24
Stokes law is applicable if body has ________shape
A
rough
B
square
C
circular
D
spherical
25
One torr is equal to
A
1.333 Nm-2
B
1333 Nm-2
C
13.33 Nm-2
D
133.3 Nm2
26
Systolic pressure is called
A
low blood pressure
B
high blood pressure
C
normal blood pressure
D
abnormal blood pressure
27
Instrument used to measure blood pressure is called
A
venturimeter
B
blood pressure
C
sphgmomanometer
D
sonometer
28
A chimney works works best if air exposed to the chimmey is
A
stationary
B
moving
C
moving slowly
D
moving fast
29
Which one is venturi relation ?
A
P1 - P2 = 1/2 ?V22
B
V2 = 2g (h1-h2)
C
P = 1 /2?V2 = ?gh = constant
D
A1 V1 = A2 V2 = constant
30
The effect of the decrease in pressure with the increase of the speed of fluid in a horizontal pipe is known as
A
Bernoullirt effect
B
Torricelli effect
C
Venturi effect
D
Stokes effect
31
Ideal fluid is
A
non-viscous
B
incompressible
C
steady flow
D
possess all properties
32
Laminar flow usually occurs at speeds.
A
low
B
high
C
very high
D
some time high and some time low
33
For _________ flow the path of the fluid particles cannot be tracked.
A
laminar
B
stream line
C
turbulent
D
both (a) and (b)
34
Sphygmomanometers measures blood pressure.
A
statically
B
dynamically
C
some time static and some time dynamic
D
none of these
35
Carburetor of a car is a application of
A
Venturi meter
B
Bernoulli equation
C
Both (a) and (b)
D
None
36
The blood flow is ____________ flow at disystolic pressure
A
laminar
B
turbulent
C
mixed
D
none
37
The profile of aeroplane wing which lifts it up is called as
A
wing shape
B
aerofoil profile
C
curved profile
D
none of these
38
Bernoullis equation is applicable for
A
laminar flow
B
turbulent flow
C
both laminar and turbulent flow
D
none of these
39
The density of human blood is nearly equal to
A
water
B
honey
C
mercury
D
oil (kerosene)
40
The speed of the fluid is maximum in the venturimeter at
A
convergent duct
B
divergent duct
C
throat
D
none of these
41
The normal blood pressure range for an human body is
A
120 to 80 torr
B
100 to 80 torr
C
120 to 60 torr
D
60 to 140 torr
42
Optical active crystals rotates the
A
vibrating plane
B
polarization plane
C
diffraction plane
D
interference plane
43
Which is not optically active?
A
sugar
B
tartaric acid
C
water
D
sodium chlorate
44
In double slit experiment we observe
A
interference fringes only
B
diffraction fringes only
C
both interference and diffraction fringes
D
polirized frringes
45
When light incident normally on thin film the path difference depends upon
A
thickness of the film only
B
nature of the film only
C
angle of indidence only
D
all thickness nature and angle of incidence
46
Which one of the following properties of light does not change with the nature of the medium?
A
velocity
B
wavelength
C
amplitude
D
frequency
47
Light reaches the earth form sun in nearly
A
15 minutes
B
10 minutes
C
8 minutes
D
8 minutes 30 seconds
48
Photoelectric effect was given by
A
Hertz
B
Fresnel
C
Einstein
D
Plank
49
According to Einstein light travels form one place to another in the form of
A
waves
B
particles
C
photons
D
it was not his discovery
50
Longitudinal waves do not exhibit
A
reflection
B
refraction
C
diffraction
D
polarization
Submit Quiz
Back to All Quizzes