Physics Mcqs – (Science) MCQs Latest For FPSC, PPSC, NTS, KPPSC, SPSC & Other Tests
“ Physics Mcqs “. Tab this page to check “Latest Physics MCQs” for the preparation of competitive mcqs, FPSC mcqs, PPSC mcqs, SPSC mcqs, KPPSC mcqs, AJKPSC mcqs, BPSC mcqs, NTS mcqs, PTS mcqs, OTS mcqs, Atomic Energy mcqs, Pak Army mcqs, Pak Navy mcqs, CTS mcqs, ETEA mcqs and others. The most occurred mcqs of Physics in past papers. Past papers of Physics mcqs. Past papers of Physics MCQs. Physics Mcqs are the necessary part of any competitive / job related exams. The Physics mcqs having specific numbers in any written test. It is therefore everyone have to learn / remember the related Physics mcqs. The Important series of Physics Mcqs are given below:
The SI unit of Heat is________?
Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?
The branch of science which deals with the properties of matter and energy is called__________?
Physics is one of the branches of___________?
A. Physical sciences
B. Social science
C. Biological sciences
D. Life sciences branch
Which branch of science plays an important role in engineering?
D. All of these
The most fundamental of all sciences which provides basic principles and fundamental laws to other branches of science is_________?
A. information technology
The Branch of Physics deals with highly energetic ions is called__________?
A. Article physics
B. Elementary articles
C. Ionic physics
D. Plasma physics
The__________branch of Physics deals with nuclear particles such as neutrons, protons and nuclear?
A. Solid State Physics
B. structure is called
C. Plasma Physics
D. Nuclear Physics
E. Particle Physics
The branch of Physics which deals with properties of gravitational?
A. Field theory
B. Hydro dynamic
The branch of physics which deals with the living things is called_________?
A. biological sciences
B. cell systems
C. physical sciences
D. elementary physics
The physics of moving charge particles is known as__________?
B. Plasma physics
Study of living science relates with________?
A. Just living science
B. Biological science
C. Physical science
D. Organ science
The first book of Physics was written by__________?
Which one of the following is massless?
Name the branch of science which deals with the study of sound and sound waves?
The formula of inter-conversion of centigrade and Fahrenheit scale is___________?
B. f -32/9 =c/5
The co efficient of linear expansion is equal to__________?
A. ΔL = αLΔT
The unit of coefficient of linear expansion or volume expansion is__________?
A. K -2
linear expansion occurs in_________?
When body is in motion, ____________ always changes?
A. its acceleration
B. its velocity
C. its position vector
D. its momentum
A man is in a car is moving with velocity of 36km/hr. His speed with repect to the car is ____________________?
Area under velocity time graph represent_____________________?
Instantaneous and average velocities become equal when body___________________?
A. has zero acceleration
B. has variable acceleration
C. has uniform acceleration
D. moves in a circle
Inertia of an object is quantitative measure of its__________________?
1st law of motion gives the definition of _________________________?
3rd law of motion explains______________________?
A. existence of a force
B. effect of force
C. existence of two forces
D. existence of pair of forces in nature
The dimension of force is____________________?
Which of the following pair has same direction always ?
A. force, velocity
B. force, displacement
C. force, acceleration
D. force, momentum
The collision between two bodies be elastic if bodies are_________________?
A. soft and elastic
B. solid and soft
C. solid and hard
D. hard and elastic
When car takes turn around a curve road, the passengers feel a force acting on them in a direction away from the center of the curve. It is due to__________________?
A. Gravitational force
B. Centripetal force
C. Their inertia
D. Centrifugal force
What is the shape of velocity, time graph for constant acceleration ?
A. straight inclined line.
B. inclined curve
D. declined curve
Which shows the correct relation between time of flight T and maximum height H ?
Taking off rocket can be explained by __________________?
A. 2nd law of motion
B. 1st law of motion
C. Law of conservation of momentum
D. law of conservation of energy
What is the angle of projection for which the range and maximum height become equal ?
A. tan-1 ½
B. tan-1 4
C. tan-1 ¼
D. tan-1 2
Distance covered by a freely falling body in 2 seconds will be__________________?
A. 39.2 m
B. 19.6 m
C. 4.9 m
D. 44.1 m
Flight of a rocket in the space is an example of______________________?
A. first law of motion
B. third law of motion
C. second law of motion
D. law of gravitation
At which angle the range of the projectile is maximum____________________?
Time rate of change of momentum is equal to____________________?
D. both A and C
Why Ballistic missile fails in some circumstances of precision ?
A. due to angle of projection
B. due to air resistance
C. due to their shape
D. all of these
A body is moving with uniform velocity. Its______________________?
A. acceleration changes
B. speed changes
C. direction of motion changes
D. displacement from origin changes
When velocity time graph is a straight line parallel to time axis then__________________?
A. acceleration is variable
B. acceleration is const
C. acceleration is zero
D. velocity is zero
Slope of velocity time graph is_____________________?
Which law of motion is also called law of inertia ?
A. 1st law
B. 3rd law
C. 2nd law
D. all 1st, 2nd and 3rd laws
Newtons laws do not hold good for particles_______________?
A. moving slowly
B. at rest
C. move with high velocity
D. move with velocity comparable to velocity of light
2nd law of motion gives the definition of________________?
D. both force and acceleration
Momentum depends upon__________________?
A. mass of the body
B. force acts on the body
C. velocity of the body
D. both mass and velocity of the body
When a body moves in a straight line then its displacement coincides with__________________?
B. acceleration is zero
D. both A and B
Motorcycle safety helmet extends the time of collision hence decreasing the________________?
A. force acting
B. chance of collision
During long jump, athlete runs before taking the jump. By doing so he__________________?
A. decreases his inertia
B. provide him a larger inertia
C. decreases his momentum
D. increases his momentum
A body is falling freely under gravity. How much distance it falls during an interval of time between 1st and 2nd seconds of its motion, taking g=10 ?
A. 14 m
B. 5 m
C. 20 m
D. 25 m
When collision between the bodies in a system is inelastic in nature then for system ____________________?
A. both momentum and K.E changes
B. K.E changes but momentum remain conserve
C. momentum changes but K.E remain conserve
D. both momentum and K.E remain conserve
The acceleration in the rocket at any instant is proportional to the nth power of the velocity of the expelled gases. Where the value of n must be ?
Which of the following is not an example of projectile motion ?
A. a gas filled ballon
B. a football kicked
C. bullet fired from gun
D. a base ball shot
The thrust on the rocket in the absence of gravitational force of attraction is__________________?
B. constant if the rate of ejected gases is constant
C. not constant
D. constant for short range rocket.
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. 6m/s, 1m/s
C. 3m/s, 3m/s
D. 4m/s, 2m/s
The distance covered by a body in time t starting from rest is__________________?
The trajectory (or path) of a projectile is_________________?
C. straight line
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. 100 N
C. 10 N
The range of the projectile at 30 deg and 60 deg are__________________?
A. equal to 90 deg
B. equal to 45 deg
C. equal to each other
D. none of the above
Waves transmit ________________ from one place to another?
The distance between any two consecutive crests or troughs is called____________________?
C. Wave length
D. phase difference
In vibrating cord the points where the amplitude is maximum, are called ___________________?
A stationary wave is set up in the air column of a closed pipe. At the closes end of the pipe _____________________?
A. always an node in formed
B. neither node nor antinode is formed
C. always an antinode is formed
D. sometimes a node and sometimes an antinode is formed
According to Newton sound travel in air under the conditions of_____________________?
Velocity of sound in vacuum is ____________________?
A. 320 ms-1
B. 332 ms-1
D. 224 ms-1
The velocity of sound is greatest in___________________?
The velocity of sound in air would become double than its velocity at 0°C at temperature ?
A. frequency lower than 20 Hz
B. frequency is greater than 20 kHz
C. frequency in the audible range
D. all of above
The number of beats produced per second is equal to____________________?
A. the ratio of the frequencies of two tuning forks
B. the difference of the frequencies of two tuning forks
C. the sum of the frequencies of two tuning forks
D. the frequency of either of the two tuning forks
Silence zone takes place due to____________________?
B. destructive interference
C. constructive interference
When the source of sound moves away form a stationary listener then ______________ occurs?
A. an apparent decrease in wavelength
B. an apparent decrease in frequency
C. an apparent increase in frequency
D. no apparent change in frequency
Which one is the correct relation for fundamental frequency of open and closed pipe ?
A. fopen = 2 fclosed
B. fopen = fclosed
C. fclosed = 2fopen
D. fopen = 1 / f closed
Newton estimated the speed of sound _____________________?
D. all of the above
The speed of sound in hydrogen is _____________ time than that in oxygen?
A. Three times
B. Two times
C. Four time
D. Six time
The speed of stationary waves in a stretched string are independent of___________________?
A. Tension in the string
B. Number of loops
C. Point where string is plucked
D. both A and C
Which phenomena can be applied to estimate the velocity of star with respect to earth ___________________?
A. Dopplers effect
B. Beats phenomena
C. Interference of waves
D. All of these
The waves that require a material medium for their propagation are called__________________?
A. electromagnetic waves
B. matter waves
C. carrier waves
D. mechanical waves
When two identical traveling waves are superimposed, the velocity of the resultant wave__________________?
C. remains unchanged
D. becomes zero
If stretching force T of wire increases, then its frequency __________________?
A. remains the same
D. any of above
It is possible to distinguish between transverse and longitudinal waves form the property of __________________?
Sound waves do not travel in vacuum because ___________________?
A. they are stationary waves
B. they are transverse waves
C. they require material medium for propagation
D. they do not have enough energy
Increase in velocity of sound in the air for 1°C rise in temperature is_________________?
A. 61.0 ms-1
B. 1.61 ms-1
C. 0.61 ms-1
D. 2.00 ms-1
On loading the prong of a tuning form with wax its frequency____________________?
A. remains unchanged
D. may increase or decrease
The normal ear is the most sensitive in the frequency range___________________?
A. 10 to 20 hertz
B. 20000 to 30000 hertz
C. 2000 to 4000 hertz
D. 6000 to 8000 hertz
The velocity of sound in air would become double than its velocity at 0°C at temperature________________?
The periodic alternation of sound between maximum and minimum loudness are called___________________?
B. silence zone
Beats are the results of____________________?
B. constructive and destructive interference
C. diffraction of sound waves
D. destructive interference
Doppler effect applies to____________________?
A. sound wave only
B. light wave only
C. both sound and light waves
D. neither sound nor light wave
A simple pendulum has a bob of mass m and its frequency is f. If we replaced the bob with a heavier one say of 2m then that will be its new frequency ?
C. frequency lower than 20 Hz
In open organ pipe___________________?
A. only even harmonics are present
B. only odd harmonics are present
C. both even and odd harmonics are present
D. selected harmonics are present
The dimension of elastic modulus is ___________________ ?
Waves produced at the surface of water by a pencil executing vibrating motion if held vertically at a frequency of 50Hz are__________________?
D. both A and C
Laplace found that the alternate compressions and rarefactions produced in sound waves follows ________________?
A. isothermal law
B. adiabatic law
C. isochoric law
D. all of the above
The beats frequency (sensible) for a human car is _____________________?
B. 7 Hz
Fundamental frequency of stationary waves in open pipe is ______________ times the frequency in closed pipe?
C. Four time
D. None of these
The current through a metallic conductor is due to the motion of _________________?
A. free electrons
D. still under controversy
A wire having very high value of conductance is said to be____________________?
A. very good conductor
B. an insulator
C. moderately good conductor
D. no specific criterion available
Production of heat due to an electric current flowing through a conductor is given by _________________?
A. Joule effect
B. Comptons effect
C. Joule Thomsons effect
D. Feed back effect
Three equal resistors connected in series with a source of e m f together dissipate 10 W of power each. What will be the power dissipated if the same resistors are connected in parallel across the same source of e m f ?
A. heat energy into electrical energy
B. heat energy into mechanical energy
C. heat energy into light energy
D. mechanical energy into heat energy