Physics Quiz Question and Answers

general physics quiz

General Physics Question Bank:

Ques. Who is known as the Father of Father of Nuclear Physics?
(a) Alexander Graham Bell
(b) Alexander Fleming
(c) Ernest Rutherford
(d) Werner Heisenberg
Ans. (c)

Ques. The planet closest to the sun is:
(a) Saturn
(b) Jupiter
(c) Pluto
(d) Mercury
Ans. (c)

Ques. A ball is projected with a velocity of 15 m/s making an angle of 300 with the horizontal. Calculate the time of flight of the ball (Give g= 10m/s2)
(a) 1.5 Second
(b) 3.5 Second
(c) 2 Second
(d) 5 Second
Ans. (a)

Ques. With the increase in temperature, the density of a substance, in general
(a) increases
(b) Decreases
(c) remains same
(d) first decrease then increases
Ans. (b)

Ques. Light year is the.
Distance travelled by light in one year
Mean distance between the Earth and the Sun
Mean distance between the Earth and Moon
(d) Mean distance oetween the Sun and any planet
Ans. (a)

Ques. When did western scientists first demon­strate that it was possible to produce electricity from light?
(a) 1839
(b) 1883
(c) 1888
(d) 1887
Ans. (a)

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Ques. What is the study of the production of very low temperature and the behaviour of materials at those temperatures?
(a) Iglunacy
(b) Kelvinism
(c) Cryogenics
(d) Calormetrics
Ans. (c)

Ques. A magnetron is in which common house-hold appliance?
(a) Electric blanket
(b) Microwave oven
(c) Television
(d) Blender
Ans. (c)

Ques. What electricity voltage is provided as mains power in Britain?
(a) 100 Volts
(b) 120 Volts
(c) 110 Volts
(d) 230 Volts
Ans. (d)

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Ques. The rainbow is formed by
(a) Total internal reflection
(b) Dispersion of light
(c) Interference of I ght
(d) None of these
Ans. (b)

Ques. The dimension formulas for impulse is same as the dimensional formula for
(a) Momentum
(b) Force
(c) Torque
(d) Rate of change of momentum
Ans. (a)

Ques. A nuclear reactor works on the principle of nuclear:
(a) fusion
(b) explosion
(c) fission
(d) assimilation
Ans. (c)

Ques. A body at rest can have
(a) acceleration
(b) Energy
(c) motion
(d) Velocity
Ans. (b)

Ques. The rain drops are spherical in shape due to
(a) Surface tension
(b) Viscosity
(c) Excess pressure
(d) Stress
Ans: (a)

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Ques. A force of 70N gives an object of unknown mass an acceleration of 20m/s2. The mass of unknown object is___.
(a) 7 Kg
(b) 0.3 Kg
(c) 3.5 Kg
(d) 35 Kg
Ans. (c)

Ques. Who is called as Father of Fiber Optics ?
(a) Mario Maurer
(b) Simon Parry
(c) Narinder Singh Kapany
(d) Dr. Thomas Mensah
Ans. (c)

Ques. __ is the region in which no light reaches
(a) Penumbra
(b) Opaque
(c) Umbra
(d) Transparent
Ans. (c)

Ques. To what are the Pauli Exclusion Principle applied?
(a) Electrons only
(b) Fermions, e.g. leptons (including electrons), quarks, baryons and many atoms and nuclei
(c) Photons
(d) Social groupings
Ans. (b)

Ques. Where is El Nino, a warm current that affects the world’s weather?
(a) South Atlantic
(b) North Atlantic
(c) Arctic
(d) Pacific
Ans. (d)

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Ques. The twinkling of star is due to:
(a) reflection
(b) dispersion
(c) absorption
(d) refraction
Ans. (d)

Ques. Electrostatic precipitator is used to control:
(a) Water pollution
(b) Solid waste
(c) Noise pollution
(d) Air pollution
Ans. (d)

Ques. Which is used to measures strength ofelectric current ?
(a) Ammeter
(b) Altimeter
(c) Audiometer
(d) Electrometer
Ans. (a)

Ques. The magnetic flux through a 50- turn coil increase at the rate of 0.05 Wb/s. What is the induced emf between the ends of the coil?
(a) 2.5V
(b) 5V
(c) 3V
(d) 7V
Ans. (a)

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Ques. The velocity of sound does not depend on
(a) Temperature
(b) Medium
(c) Pressure
(d) Humidity
Ans. (c)

Ques. The ultrasonic sound can be heard by
(a) Dogs
(b) Men
(c) Microphone
(d) None of these
Ans. (a)

Ques. If the length of a simple pendulum is doubled, its time period will
(a) Increase
(b) Decrease
(c) Remain constant
(d) None of these
Ans. (a)

Ques. X-rays were discovered by –
(a) Roentgen
(b) H.Davy
(c) Lavoisier
(d) Faraday
Ans. (a)

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Ques. Supersonic Jet causes pollution by thinning of
(a) CO2 layer
(b) O2 layer
(c) O3 layer
(d) SO2 layer
Ans. (c)

Ques. Which of the following is a derived unit?
(a) Mass
(b) Length
(c) Time
(d) Velocity
Ans. (d)

Ques. Carbon dioxide is called greenhouse gas because-
(a) it is used in photosynthesis
(b) its absorbs infrared radiation
(c) it emits visible radiation
(d) its concentration remains always higher than other gases
Ans. (b)

Ques.  RADAR is used for
(a) locating submerged submarines
(b) receiving a signals in a radio receiver
(c) locating geostationary satellites
(d) detecting and locating the position of objects such as aeroplanes
Ans. (d)

Ques. The Viscosity of solid is
(a) Infinite
(b) Zero
(c) Maximum
(d) Minimum
Ans. (a)

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Ques. Which of these is most attracted by a magnet?
(a) Wool
(b) Plastic
(c) Water
(d) Metal
Ans. (d)

Ques. Which types of light colours are strongly absorbed by plants?
(a) Red and Yellow
(b) Green and Yellow
(c) Blue and Red
(d) Indigo and Red
Ans. (c)

Ques. Atomic bomb is based on the principle of
(a) Nuclear Fission
(b) Nuclear Fusion
(c) Nuclear Transition
(d) Radio Emission
Ans. (a)

Ques. What is a device that allows electric cur­rent to pass through it in one direction only, used for converting AC to DC?
(a) Voltmeter
(b) Rectifier
(c) Rheostat
(d) Accumulator
Ans. (b)

Ques. What causes a screeching sound when a live microphone is put too close to a speaker?
(a) Grazeright
(b) Chewfore
(c) Eatleft
(d) Feedback
Ans. (d)

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Ques. The satellite ”Aryabhata”, launched on 19 April 1975, to conduct experiments in X-ray astronomy, aeronomics, and solar physics, was built by which country?
(a) Indonesia
(b) Arab League
(c) India
(d) Turkey
Ans. (c)

Ques. Which is NOT an acceptable method of distributing small power outlets through­
out an open plan office area?
(a) Power Poles
(b) Power Skirting
(c) Flush Floor Ducting
(d) Extension Cords
Ans. (d)

Ques. A weightless rubber balloon has 100gm of water in it. Its weight in water will be
(a) 100gm
(b) 200gm
(c) 50gm
(d) Zero
Ans. (d)

Ques. Mesons are found in
(a) Laser beam
(b) X-rays
(c) Gamma rays
(d) Cosmic rays
Ans. (d)

Ques.   __ is used to slow down neutrons emitted in a nuclear fission reaction
(a) Agent
(b) Reactors
(c) Moderators
(d) Controller
Ans. (c)

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Ques. In 1960 an international agreement defined the metre in terms of the wavelength of the light from which gas, when burnt?
(a) Oxygen
(b) Argon
(c) Krypton
(d) Neon
Ans. (c)

Ques. Railway tracks are banked on curves so that
(a) No frictional force may be produced between the tracks and wheels
(b) The train may not fall down inward
(c) Necessary centripetal force may be obtained from the horizontal component of normal reaction due to the track
(d) None of the above
Ans. (c)

Ques. Cryogenic engine find application in
(a) Submarines
(b) Super Conductivity
(c) Rocket Technology
(d) Nuclear Energy
Ans. (c)

Ques. A net force of 350 N acts on a body of mass 70 Kg which is initially at rest. Its acceleration is __ m/s2.
(a) 3
(b) 7
(c) 5
(d) 9
Ans. (c)

Ques. When an aero plane is making a loop, pilot does not fall down because his weight provides the necessary
(a) Force against gravity
(b) Centripetal force
(c) Centrifugal force
(d) Viscous force
Ans. (b)

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Ques. Which of the following is the fundamental quantity ?
(a) Volume
(b) Velocity
(c) Time
(d) Force
Ans. (c)

Ques. Zener- diode is used as :
(a) An amplifier
(b) An rectifier
(c) An oscillator
(d) Voltage regulator
Ans. (d)

Ques. The efficiency of a Cornot engine working between the steam point and ice point is
(a) 28.8 %
(b) 27.8 %
(c) 26.8 %
(d) 23.8 %
Ans. (c)

Ques. The electromagnetic waves used in the telecommunication are__.
(a) Ultraviolet
(b) Infra-red
(c) Visible
(d) Microwave
Ans. (d)

Ques. The law which gives a relation between electric potential difference and electric current is called:
(a) Faraday’s law
(b) Newton’s law
(c) Ohm’s law
(d) Oersted’s law
Ans. (c)

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Ques. Charge is a
(a) Vecor quantity
(b) Either Scalar or Vector
(c) Scalar quantity
(d) Dimensionless
Ans. (c)

Ques. Which of the following has high penetrating power ?
(a) Beta Particle
(b) Alpha Particle
(c) All of the above
(d) Gamma Rays
Ans. (d)

Ques. The size of an atomic nucleus is diameter of the atom
(a) 1/1000
(b) 1/10000
(c) 1/100
(d) 1/100000
Ans. (c)

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Ques. Flux meter is used to measures
(a) Altitudes
(b) Magnetic flux
(c) Angles
(d) Refractive Indices
Ans. (b)

Ques. Of the following natural phenomena, tell which one known in Sanskrit as ’deer’s thirst’?
(a) Rainbow
(b) Earthshine
(c) Halo
(d) Mirage
Ans. (d)

Ques. Who discovered the Law of Gravitation?
(a) Isaac Newton
(b) Galileo
(c) Einstein
(d) Francis bacon
Ans. (a)

Ques. Choose the best alternative as the answer. Which of the following is associated with diamond?
(a) Hardness
(b) Brilliance
(c) Use
(d) Conductivity
Ans. (a)

Ques. The allotrope of carbon which is a good conductor of heat and electricity is.
(a) Diamond
(b) Graphite
(c) Charcoal
(d) None of these
Ans. (b)

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Ques. When a bicycle travels on a rough surface, its speed.
(a) Increase
(b) Decrease
(c) Remains the same
(d) None of these
Ans. (b)

Ques. Pick out the scalar quantity from the followings
(a) Force
(b) Acceleration
(c) Work
(d) Velocity
Ans. (c)

Ques. What is the fundamental unit of time?
(a) Minute
(b) Hour
(c) Second
(d) Day
Ans. (c)

Ques. Which of the following class of forces is different from others
(a) Pulling of a wooden block
(b) Stretching of a coiled spring
(c) Pushing a wall
(d) Electrical force
Ans. (d)

Ques. When water condenses into ice, __
(a) Heat is absorbed
(b) Heat is released
(c) Heat remains unchanged
(d) None of these
Ans. (b)

Ques. Decibel is the unit of
(a) Intensity of sound
(b) Intensity of lights
(c) Velocity of light
(d) Gravitational constant
Ans. (a)

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Ques. Echo is heard when the reflecting surface is
(a) of less volume
(b) of large area
(c) of less area
(d) of large volume
Ans. (b)

Ques. A photocell converts light energy into
(a) chemical energy
(b) electrical energy
(c) potential energy
(d) kinetic energy
Ans. (b)

Ques. A reflex klystron is used to generate
(a) Radio-waves
(b) X-rays
(c) Micro-waves
(d) Gamma rays
Ans. (c)

Ques. Ultraviolet rays are absorbed by
(a) Mica
(b) Quartz
(c) Glass
(d) Rock Salt
Ans. (c)

About the author

Richa Bhardwaj

B. Tech from NIT Kurushetra, Richa has keen interest in Science and loves to teach students about it through lectures and assignments. She always try to use simple language and sentences while writing to make sure learner understands everything properly.

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