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Everyday Science MCQs (Basic Concepts of Physics)

November 11, 2020
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Everyday Science MCQs (Basic Concepts of Physics)
Written by CSS Times

Basic Concepts of Physics MCQs

(Everyday Science MCQs)

Which is the densest planet of our solar system?
(a) Sun
(b) Jupiter
(c) Mercury
(d) Earth
Answer:. d

A gradual rise in a barometer height indicates
(a) Approach of fair weather
(b) Approach of immediate storm
(c) Likelihood of rainfall
(d) Nothing significant
Answer: a

An artificial earth satellite is said to be in geostationary orbit when
(a) It is so placed in the space that it does not move
(b) It remains stationery in relation to earth
(c) Its course is governed by terrestrial gravity
(d) It is made to stay in one place in obedience to commands from a space centre on earth
Answer: b

Escape velocity is
(a) The minimum velocity required by a projectile to escape from a particular gravitational field
(b) The velocity of a comet
(c) Velocity required for a satellite to move in circular orbit around earth
(d) Velocity required for a satellite to re-enter earth’s atmosphere
Answer: d

Ludington, Michigan has the biggest _______ storage system in the world.
(a) Compressed Air
(b) Chemical
(c) Superconducting
(d) Pumped Hydroelectric
Answer: d

The length of an Earth day is determined by the time required for approximately one
(a) Earth rotation
(b) Earth revolution
(c) Sun rotation
(d) Sun revolution
Answer: a

What constitute current in a metal wire?
(a) Electrons
(b) Protons
(c) Atoms
(d) Molecules
Answer: a

The resistance of carbon ——— with rise in the temperature
(a) Increases
(b) Decreases
(c) Remain the same
(d) Fluctuate
Answer: b

Good conductors have many loose bounds
(a) Atoms
(b) protons
(c) Molecules
(d) electrons
Answer: d

What is the colour of red rose in green light?
(a) Red
(b) Yellow
(c) Black
(d) Blue
Answer: c

In cold countries glycerol is added to water in car radiators as it helps to
(a) Lower the specific heat of water
(b) Lower the viscosity of water
(c) Lower the freezing point of water
(d) Improve the lubricity
Answer: c

If the sun is shining brightly in one part of the sky after rain, how many rainbows are observed?
(a) One
(b) Two
(c) Four
(d) Infinite
Answer: b

Focusing in a camera is carried out by varying
(a) The amount of light
(b) The distance of the lens from the film
(c) The distance of the lens from the object
(d) The brightness of light and speed of shutter
Answer: b

Which of the following is a good conductor of heat and electricity?
(a) Diamond
(b) Anthracite
(c) Granite
(d) Graphite
Answer: d

The wire in electric fittings are éarthed’ so that
(a) Electricity may not leak
(b) There may be a smooth flow of electricity
(c) Current may pass to the earth in case of a short circuit, without doing any harm
(d) To prevent a short circuit
Answer: b

The wire of an electric lamp has a
(a) High resistance and a high melting point
(b) High resistance and a low melting point
(c) Low resistance and a low melting point
(d) Low resistance
Answer: a

There is along steel pipe fixed in a compound. One boy stands at one end of the pipe and places his ear at the end. If another boy strikes the other portion of the pipe, the first boy will hear
(a) One sound
(b) Two sounds
(c) Infinite sounds
(d) No sound
Answer: b

Combing hair sometimes produces a crackling sound because
(a) Of friction between comb and hair
(b) Comb attracts the hair
(c) Electric charge is produced by friction
(d) Of dryness of hair and comb
Answer: c

The wire having a black plastic cover is a
(a) Live wire
(b) neutral wire
(c) Earth wire
(d) none of these
Answer: a

The fuse wire is generally made of
(a) Silver
(b) copper
(c) Tin-lead alloy
(d) silver & copper
Answer: c

The various distribution circuits are connected in
(a) Series
(b) parallel
(c) Series or parallel
(d) None of these
Answer: b

Instead of using an AC, what will happen if a refrigerator is placed open in an air-tight closed room?
(a) Room will repeatedly become cool and hot alternatively
(b) Room will become cooler
(c) Room will become hotter
(d) Room’s temperature will not change
Answer: d

Laws of electrolysis was given by
(a) Faraday
(b) Maxwell
(c) Lenz
(d) Bohr
Answer: a

The split ring in motion is called
(a) Armature
(b) Rotor
(c) commutator
(d) Core
Answer: c

Which of the following can’t be used to make a solar cell?
(a) Silicon
(b) Platinum
(c) Gallium
(d) Germanium
Answer: b

Which atomic reactor is used for studies of uranium of heavy water lattice?
(a) Apsara
(b) Zerlina
(c) Dhurva
(d) Purnima -I
Answer: b

Heavy water is
(a) Sea water
(b) D2O
(c) H2O
(d) None of these
Answer: b

Which of the following is a supporter of combustion?
(a) Cooking gas
(b) Nitrogen gas
(c) Oxygen gas
(d) Producer gas
Answer: c

Choose the source of energy which is different from others
(a) Bio gas
(b) Plants
(c) Vegetable refuse
(d) Crude oil
Answer: d

Magnetite is a/an
(a) Neutral magnet
(b) Electromagnet
(c) U-shaped magnet
(d) None of these
Answer: a

Electromagnets are used in
(a) Electric bells
(b) Telephones
(c) Dynamos
(d) all of above
Answer: d

Galaxies are usually classified on the basis of there
(a) Mass
(b) Size
(c) shape
(d) All of these
Answer: c

Shooting star is another name for
(a) Comet
(b) Meteor
(c) Solar flare
(d) Nebulae
Answer: b

Which of the following is a star?
(a) Sun
(b) Mercury
(c) Pluto
(d) Venus
Answer: a

The field in which Einstein won Nobel Prize:
(a) Biology
(b) Mathematics
(c) Physics
(d) Education
Answer: c

Which suffers minimum deviation when white light undergoes dispersion?
(a) Green
(b) Red
(c) Violet
(d) Yellow
Answer: b

Diffusion of light in atmosphere takes place due to:
(a) Carbon dioxide
(b) Dust particles
(c) Helium
(d) Water vapour
Answer: b

Ponds looks shallow because of
(a) Reflection
(b) Refraction
(c) Diffusion
(d) Dispersion
Answer: b

The ratio of the velocity of the body to the velocity of the sound is called
(a) Magic number
(b) Replace number
(c) Natural number
(d) Match number
Answer: d

A hot body will radiate heat most rapidly if its surface is
(a) White and polished
(b) white and rough
(c) black and polished
(d) black and rough
Answer: d

An ice ball floats into a water tank, when the ice melts, the water level
(a) Rises
(b) Does not change
(c) Falls down
(d) None of these
Answer: b

A dental plate clings to the roof of the mouth because
(a) Force of cohesion increases
(b) Force of cohesion decreases
(c) Force of adhesion increases
(d) Force of adhesion decreases
Answer: c

What is light amplification by stimulated emission of radiation?
(a) Solar energy
(b) A laser
(c) Plasma
(d) Cosmic rays
Answer: b

What is light subtraction?
(a) It is shutting out light beams to create a darkened void.
(b) It is using the color spectrum to see if stars are moving away from Earth.
(c) It is how things that do not give off light are colored
(d) None of these
Answer: c

Why does a green cucumber appear green?
(a) It gives off green particles, which enter your eyes.
(b) Green particles are attracted to it.
(c) It absorbs all the s except for green, so you only see green
(d) None of these
Answer: c

A red tomato appears to be which under blue light?
(a) Black
(b) Red
(c) Blue
(d) Purple
Answer: a

What do you get when you add all of the additive s together?
(a) Black
(b) White
(c) Brown
(d) Grey
Answer: b

A ray of white light strikes a rectangular glass block normally. How many rays of light, and what, emerge from the block?
(a) Seven rays of light (VIBGYOR)
(b) Three rays of red, blue and green light respectively
(c) One ray of white light
Answer: c

Which of the following prisms would be suitable for use in a periscope?
(a) An isosceles right angled prism
(b) An equilateral prism
(c) An isosceles prism
(d) None of these
Answer: a

A specific mass of pure water is frozen to form completely transparent ice, in the shape of a lens. When forced underwater, the lens diverges light. What is the shape of the lens?
(a) Concave lens
(b) Convexo-concave lens
(c) Cylindrical lens
(d) Convex lens
Answer: d

Which of the following mirrors is most suitable for using as a reflector in car headlights?
(a) Parabolic mirror
(b) Convex mirror
(c) Concave mirror
(d) Plane mirror
Answer: a

What is the range of frequencies in which AM radio operates?
(a) 88 to 108 MHz
(b) 215 to 220 MHz
(c) 54 to 88 MHz
(d) 550 to 1700 KHz
Answer: d

What range of electromagnetic radiation is used to cook food in special ovens?
(a) Gamma
(b) infrared
(c) Microwave
(d) ultraviolet
Answer: c

Besides X-rays, what other type of EM radiation is used to look inside a human body without cutting it open?
(a) Infrared
(b) Radio waves
(c) Gamma rays
(d) None of these
Answer: c

What type of EM radiation gives people tans?
(a) Gamma
(b) infrared
(c) Ultraviolet
(d) visible
Answer: c

What device makes use of EM radiation?
(a) SONAR
(b) RADAR
(c) SCUBA
(d) TASER
Answer: b

Which of the following EM types have the highest energy levels?
(a) Radio
(b) visible
(c) X-rays
(d) infrared
Answer: c

Which of the following EM types have the lowest energy levels?
(a) Ultraviolet
(b) microwave
(c) X-rays
(d) gamma rays
Answer: b

Kinetic energy is
(a) Life energy, possessed only by living organisms
(b) Only important at subatomic distances
(c) Energy of movement
(d) None of these
Answer: c

What type of radiation did Dr. Banner expose himself to in his experiment to achieve superhuman strength?
(a) X-ray
(b) Radio
(c) Ultraviolet
(d) Gamma
Answer: d

An “illuminant” is the term used to describe the light energy that hits an object. What is used to refer to the color of illuminants?
(a) Gravity
(b) watts
(c) Distance
(d) temperature
Answer: d

What light source is used for most color analysis instruments?
(a) Xenon
(b) Neon
(c) Tungsten
(d) Deuterium
Answer: a

He said all matter in motion has a wavelike nature.
(a) deBroglie
(b) Planck
(c) Schrodinger
(d) Thomson
Answer: a

His theory, simplified, was that the electrons in the atom move in precisely determined orbits.
(a) Pauli
(b) Bohr
(c) Aufbau
(d) Hertz
Answer: b

What Greek letter is used to denote frequency?
(a) Lambda
(b) Nu
(c) Phi
(d) Kappa
Answer: b

If you have light of 5500 Angstroms, what color is it?
(a) Blue
(b) Green
(c) Yellow
(d) Violet
Answer: b

The Heisenberg Uncertainty Principle states that it is impossible to determine accurately what of fast moving particles simultaneously?
(a) Position and quanta
(b) Principal and secondary quantum numbers
(c) Electrostatic attraction
(d) Position and momentum
Answer: d

Who received the Nobel Prize for his explanation of the photoelectric effect (light behaves like a particle)?
(a) Heisenberg
(b) Einstein
(c) de Broglie
(d) Schrodinger
Answer: b

Spectroscopy is the branch of physics deals with the electromagnetic radiation emitted and absorbed by
(a) Atoms
(b) Molecules
(c) Both
(d) None of these
Answer: c

When an electric current passes through atomic gas under reduced pressure, the spectra observed is
(a) Continuous
(b) Line
(c) Band
(d) None of these
Answer: b

Balmer series of hydrogen spectrum were identified by J.J. Balmer in
(a) 1882
(b) 1888
(c) 1885
(d) 1896
Answer: c

Using spectroscopy the helium was identified in the
(a) Stars
(b) Sun
(c) Earth
(d) None of these
Answer: b

Inner shell transition in X-Rays takes place in
(a) Lighter elements
(b) Medium element
(c) Heavy elements
(d) None of these
Answer: c

The energy of characteristic X-rays depends on the
(a) Wavelength
(b) Target material
(c) Frequency
(d) None of these
Answer: b

X-Rays can penetrate into a solid matter for
(a) Some millimetre
(b) Centimeter
(c) Several centimetre
(d) None of these
Answer: c

Darkening of X-ray film is proportional to the
(a) Current
(b) Voltage
(c) Radiation exposure
(d) None of these
Answer: c

X-rays are useful for cells
(a) Living cells
(b) Damaged cells
(c) Cancerous cells
(d) None of these
Answer: c

LASER is a beam of light which is
(a) Monochromatic
(b) Coherent
(c) Very Narrow
(d) All of them
Answer: d

In LASER principle, a photon produce another photon by the process of
(a) Excitation
(b) De-excite
(c) Ionization
(d) None of these
Answer: b

In which process, the photon emits to produce laser beam
(a) Induced absorption
(b) Spontaneous emission
(c) Induced emission
(d) All of these
Answer: c

Laser light is used to destroy the
(a) Cancerous cells
(b) Pre-cancerous cells
(c) Tissues
(d) All of these
Answer: d

LASER is the potential energy source used to inducing
(a) Fission reactions
(b) Fusion reactions
(c) Chemical reactions
(d) None of these
Answer: b

Laser can be used in the field of
(a) Polarization
(b) Telecommunications
(c) Radioactivity
(d) None of these
Answer: b

The energy of characteristic X-rays depends upon the
(a) Voltage applied
(b) Type of target
(c) Temperature
(d) None of these
Answer: b

Laser beam can be used for
(a) Wilding of detached retinas
(b) Destroy tissues in a localized area
(c) Sealed off capillaries for prevention of disease
(d) All of these
Answer: d

Oscillatory motion is a type of motion which is
(a) To and fro
(b) Vibratory motion
(c) Periodic motions
(d) All of these
Answer: d

The body oscillates due to a
(a) Applied force
(b) Restoring force
(c) Frictional force
(d) None of these
Answer: b

The restoring force is always directed towards the
(a) Initial position
(b) Final positions
(c) Rest position or mean position
(d) All of these
Answer: c

The vibrating bodies produce
(a) Sound
(b) Waves
(c) Disturbance
(d) All of these
Answer: d

Restoring force is the
(a) Opposing force
(b) Frictional force
(c) Elastic force
(d) All of these
Answer: d

Hook’s law is defined as
(a) F and X are direct proportional
(b) F and X are inverse proportional
(c) F and X has no relation
(d) None of these
Answer: a

In Hook’s law, K is the spring constant depending on the
(a) Dimensions of spring
(b) Material of spring
(c) Applied force
(d) All of these
Answer: b

Sonar is the name of technique or detecting the presence of objects under water by
(a) Eco-ranging
(b) Eco-sounding
(c) Eco-acoustical
(d) All of these
Answer: d

The military applications of Doppler’s effect are
(a) Location of submarines
(b) Control of anti submarine weapons
(c) Depth measurement of sea
(d) All of these
Answer: d

Doppler affect can be used to calculate the speeds of
(a) Planets
(b) Distant stars
(c) Galaxies
(d) All of these
Answer: b

If the stars are moving towards the earth show a
(a) Red shift
(b) Blue shift
(c) Yellow shift
(d) None of these
Answer: b

If the stars are moving away from the Earth show a
(a) Red shift
(b) Blue shift
(c) Green shift
(d) None of these
Answer: a

Bats navigate and find food by
(a) Eco-sounding
(b) Eco-location
(c) Acoustical echo
(d) None of these
Answer: b

When the source is moving towards the observer at rest the apparent frequency will
(a) Increased
(b) Decreased
(c) Both of above
(d) None of these
Answer: a

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