NEET PHYSICS : RANCHI

बुद्धा साइन्स एंड टेक्निकल इंस्टीट्यूट
Buddha Science & Technical Institute
Kokar, Ranchi, Jharkhand
JOIN BSTI FOR : IIT-JEE / NEET With BHARAT SIR
PHYSICS : IMPORTANT QUESTION FOR IIT-JEE / NEET
Q. A closed compartment containing gas is moving with some
acceleration in horizontal direction. Neglect effect of gravity. Then
the pressure in the compartment is
A. Same everywhere B. Lower in the front side
C. Lower in the rear side D. Lower in the upper side
ANS : B
V.V.I.
QUESTION

Q. A man is sitting in a boat, which is floating on a pond. If the man
drinks some water from the pond, the level of water in the pond.
A. Decreases
B. Increases
C. Remains unchanged
D. May increase or decrease depending on the weight of the man
ANS : C
V.V.I.
QUESTION

Q. If two soap bubbles of different radii are connected by a tube,
A. Air flows from the bigger bubble to the smaller bubble till the sizes
become equal
B. Air flows from bigger bubble to the smaller bubble till the sizes are
interchanged
C. Air flows from the smaller bubble to the bigger
D. There is no flow of air
ANS : C
V.V.I.
QUESTION

Q. A wooden block is taken to the bottom of a deep, calm lake of water
and then released. It rises up with a
A. Constant acceleration
B. Decreasing acceleration
C. Constant velocity
D. Decreasing velocity
ANS : A
V.V.I.
QUESTION

Q. If there were no gravity, which of the following will not be there for
a fluid?
A. Viscosity
B. Surface tension
C. pressure
D. Archimedes` upward thrust
ANS : D
V.V.I.
QUESTION

Q. An object is moving through the liquid. The viscous damping force
acting on it is proportional to the velocity. Then dimensions of
constant of proportionality are
A. [ML-1 T-1] B. [ML T-1]
C. [M0LT-1] D. [ML0 T-1]
ANS : D
V.V.I.
QUESTION

Q. Motion of a liquid in a tube is best described by
A. Bernoulli` theorem
B. Poiseuilles` equation
C. Stokes` law
D. Archimedes` principle
ANS : B
V.V.I.
QUESTION

Q. Which one is not a dimensional number?
A. Acceleration due to gravity
B. Surface tension of water
C. Velocity of light
D. Reynolds` number
ANS : D
V.V.I.
QUESTION

Q. Critical velocity of the liquid.
A. Decreases when radius decreases
B. Increases when radius increases
C. Decreases when density increases
D. Increases when density increases
ANS : C
V.V.I.
QUESTION

Q. A steel ball is dropped in oil, then
A. The ball attains constant velocity after some time
B. The ball stops
C. The speed of ball will keep on increasing
D. None of the above
ANS : A
V.V.I.
QUESTION

Q. The radio of the terminal velocities of two drops of radii R and R /2
is
A. 2
B. 1
C. 1 / 2
D. 4
ANS : D
V.V.I.
QUESTION

Q. The radii of two drops are in the ratio of 3 : 2, their terminal
velocities are in the ratio
A. 9 : 4
B. 2 : 3
C. 3 : 2
D. 2 : 9
ANS : A
V.V.I.
QUESTION

Q. Bernoulli`s equation in an example of conservation of
A. Energy
B. Momentum
C. Angular momentum
D. Mass
ANS : A
V.V.I.
QUESTION

Q. An aeroplane gets its upward lift due to a phenomenon described
by the
A. Archimedes` principle
B. Bernoulli`s principle
C. Buoyancy principle
D. Pascal law
ANS : B
V.V.I.
QUESTION

Q. The rate of flow of liquid through an orifice of a tank does not
depend upon
A. The size of orifice
B. Density of liquid
C. The height of fluid column
D. Acceleration due to gravity
ANS : D
V.V.I.
QUESTION

Q. The velocity of efflux of a liquid through an orifice in the bottom of
the tank does not depend upon
A. size of orifice
B. Height of liquid
C. Acceleration due to gravity
D. None of the above
ANS : A
V.V.I.
QUESTION

Q. The water droplets in free fall are spherical due to
A. Gravity
B. Viscosity
C. Surface tension
D. Intermolecular attraction
ANS : C
V.V.I.
QUESTION

Q. If a mercury drop is divided into 8 equal parts, its total energy,
A. Remains same
B. Becomes twice
C. Becomes half
D. Becomes 4 times
ANS : B
V.V.I.
QUESTION

Q. If a liquid does not wet glass, its angle of contact is
A. Zero
B. Acute
C. Obtuse
D. Right angle
ANS : B
V.V.I.
QUESTION

Q. The most characteristic property of a liquid is
A. Elasticity
B. Fluidity
C. Formlessness
D. Volume conservation
ANS : D
V.V.I.
QUESTION

Q. Which of the following physical quantities do not have the same
dimensions ?
A. Pressure and stress
B. Tension and surface tension
C. Strain and angle
D. Energy and work
ANS : B
V.V.I.
QUESTION

Q. A body is floating in a liquid. The up thrust on the body is
A. Zero
B. Equal to the weight of liquid displaced
C. Less then the weight of liquid displaced
D. Weight of body-weight of liquid displaced
ANS : B
V.V.I.
QUESTION

Q. Bernoulli`s equation is a consequence of conservation of :
A. Energy
B. Linear momentum
C. Angular momentum
D. mass
ANS : A
V.V.I.
QUESTION

Q. Scent sprayer is based on
A. Charles` law
B. Boyle`s law
C. Archimedes` principle
D. Bernoulli`s theorem
ANS : C
V.V.I.
QUESTION

Q. Bernoulli`s principle is based on the law of conservation of
A. Energy
B. Mass
C. Linear momentum
D. Angular momentum
ANS : A
V.V.I.
QUESTION

Q. In old age arteries carrying blood in the human body become
narrow resulting in an increase in the blood pressure. This follows
from
A. Pascal`s law
B. Stokes` law
C. Bernoulli`s principle
D. Archimedes` principle
ANS : C
V.V.I.
QUESTION

Q. Dynamic lift is related to
A. Bernoulli`s theorem
B. Archimedes` principle
C. Equation of continuity
D. Pascal`s law
ANS : A
V.V.I.
QUESTION

Q. The property utilised in the manufacture of lead shots is
A. Specific weight of liquid lead
B. Specific gravity of liquid lead
C. Compressibility of liquid lead
D. Surface of tension of liquid lead
ANS : D
V.V.I.
QUESTION

Q. The rain drops are in spherical shape due to
A. Viscosity
B. Surface tension
C. Thrust on drop
D. Residual pressure
ANS : B
V.V.I.
QUESTION

Q. When the temperature is increased, the angle of contact of a liquid
A. Increases
B. Decreases
C. Remains the same
D. First increases and then decreases
ANS : A
V.V.I.
QUESTION

Q. At critical temperature, the surface tension of a liquid
A. Is zero
B. Is infinity
C. Is same as that any other temperature
D. Can not be determined
ANS : A
V.V.I.
QUESTION

Q. The surface tension of liquid decreases with a rise in
A. Temperature of liquid
B. Viscosity of the liquid
C. Diameter of container
D. Thickness of container
ANS : A
V.V.I.
QUESTION

NEET PHYSICS : RANCHI

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NEET PHYSICS : RANCHI