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MCQ Questions for Class 10 Science Maharashtra Board for Students
The velocity of wind is measured by:
A. Barometer
B. Anemometer
C. Hydrometer
D. Wind Vane
Option b – Anemometer
Which one of the following is not correctly matched?
A. Anemometer – Wind speed
B. Ammeter – Electric current
C. Tacheometer – Pressure difference
D. Pyrometer – High temp.
Option c – Tacheometer – Pressure difference
A pyrometer is used to measure:
A. Air pressure
B. Humidity
C. High temperature
D. Density
Option c – High temperature
Which one of the following devices is used to measure extremely high temperatures? ( MCQ Questions for Class 10 Science Maharashtra Board )
A. Pyrometer
B. Photometer
C. Phonometer
D. Pycnometer
Option a – Pyrometer
In SONAR, we use
A. Radio waves
B. Audible sound waves
C. Ultrasonic waves
D. Infrasonic waves
Option c – Ultrasonic waves
The apparatus used to measure the intensity of sound is:
A. Chronometer
B. Anemometer
C. Audiophone
D. Audiometer
Option d – Audiometer
Which one of the following instruments is used for locating submerged objects in an ocean?
A. Audiometer
B. Galvanometer
C. Sextant
D. SONAR
Option d – SONAR
SONAR is mostly used by: ( MCQ Questions for Class 10 Science Maharashtra Board )
A. Astronauts
B. Doctors
C. Engineers
D. Navigators
Option d – Navigators
Which of the following is measured by an ‘Anemometer’?
A. Velocity of water flow
B. Depth of water
C. Force of the wind
D. Intensity of light
Option c – Force of the wind
Which of the following quantities does not have any unit?
(a) Speed
(b) Density
(c) Relative Density
(d) Acceleration
Option c – Relative Density
The unit for measurement of energy is ( MCQ Questions for Class 10 Science Maharashtra Board )
(a) Pascal
(b) Joule
(c) Calorie
(d) Horse Power
Option b – Joule
Which one of the following is the unit of Force?
(a) Pascal
(b) Watt
(c) Joule
(d) Newton
Option d – Newton
Which of the following represents Volt? ( MCQ Questions for Class 10 Science Maharashtra Board )
(a) Joule/Second
(b) Watt/Ampere
(c) Watt/Coulomb
(d) Coulomb/Joule
Option b – Watt/Ampere
The unit of electric power is
(a) Ampere
(b) Volt
(c) Coulomb
(d) Watt
Option d – Watt
The symbol of the SI unit of inductance is H. It stands for
(a) Holm
(b) Halogen
(c) Henry
(d) Hertz
Option c – Henry
Maxwell is the unit of which one of the following? ( MCQ Questions for Class 10 Science Maharashtra Board )
(a) Magnetic flux
(b) Permeability
(c) Magnetic susceptibility
(d) Intensity of magnetization
Option a – Magnetic flux
The SI unit of luminous emittance is
(a) Lux
(b) Candela
(c) Lumen
(d) Lumen’s second
Option a – Lux
The SI unit of radioactivity is ……….
(a) Ampere
(b) Becquerel
(c) Decibel
(d) Cobolt
Option b – Becquerel
The SI unit of weight is ( MCQ Questions for Class 10 Science Maharashtra Board )
(a) Kg
(b) Newton
(c) Gram
(d) Dyne
Option b – Newton
The SI unit for electrical resistivity is
(a) Ampere/meter
(b) Volt/meter
(c) Tesla
(d) Ohm meter
Option d – Ohm meter
Which of the following quantities has its SI unit named after Blaise Pascal?
(a) Energy
(b) Pressure
(c) Work
(d) Power
Option b – Pressure
The SI unit for the average velocity is ( MCQ Questions for Class 10 Science Maharashtra Board )
(a) m/s
(b) km/s
(c) m/s²
(d) ms
Option a – m/s
Newton-metre (Nm) is the SI unit of which of the following physical quantities?
(a) Acceleration
(b) Torque
(c) Power
(d) Force
Option b – Torque
What is the unit of solid angle?
(a) Newton
(b) Steradian
(c) Radian
(d) Watt
Option b – Steradian
Which of the following is not a unit of speed? ( MCQ Questions for Class 10 Science Maharashtra Board )
(a) m/s
(b) km/hr
(c) m²/hr
(d) cm/s
Option c – m²/hr
Which of the following has the highest velocity?
(a) Cosmic rays
(b) Light
(c) Electron
(d) Supersonic wave
Option b – Light
Which one of the following statements regarding a thermos flask is NOT correct?
(a) The walls of the flask are separated by vacuum and made of glass, which is a poor conductor of heat.
(b) The glass walls themselves have shiny surfaces.
(c) The surface of the inner wall radiates a good amount of heat, and the surface of the outer wall absorbs some of the heat that is radiated from the inner wall.
(d) The cork supports are poor conductors of heat.
Option c – The surface of the inner wall radiates a good amount of heat, and the surface of the outer wall absorbs some of the heat that is radiated from the inner wall
A fuse wire must be: ( MCQ Questions for Class 10 Science Maharashtra Board )
(a) conducting and of low melting point
(b) conducting and of high melting point
(c) insulator and of high melting point
(d) insulator and of low melting point
Option d – insulator and of low melting point
Which one of the following energy is stored in the links between the atoms?
(a) Nuclear energy
(b) Chemical energy
(c) Potential energy
(d) Thermal energy
Option b – Chemical energy
Which one of the following minerals is used as a fuel in nuclear power stations?
(a) Bauxite
(b) Quartz
(c) Feldspar
(d) Pitchblende
Option d – Pitchblende
Which one of the following forces is non-central and non-conservative? ( MCQ Questions for Class 10 Science Maharashtra Board )
(a) Frictional force
(b) Electric force
(c) Gravitational force
(d) Mechanical force
Option a – Frictional force
When a convex lens produces a real image of an object, the minimum distance between the object and image is equal to:
(a) the focal length of the convex lens
(b) twice the focal length of the convex lens
(c) four times the focal length of the convex lens
(d) one-half of the focal length of the convex lens
Option c – four times the focal length of the convex lens
The direction of the magnetic field at any location on the earth’s surface is commonly specified in terms of:
(a) field declination
(b) field inclination
(c) both field declination and field inclination
(d) the horizontal component of the field
Option c – both field declination and field inclination
Which one of the following can extinguish the fire more quickly? ( MCQ Questions for Class 10 Science Maharashtra Board )
(a) Cold water
(b) Boiling water
(c) Hot water
(d) Ice
Option b – Boiling water
In which of the following, heat loss is primarily not due to convection?
(a) Boiling water
(b) Land and sea breeze
(c) Circulation of air around a blast furnace
(d) Heating of a glass surface of a bulb due to current in the filament
Option d – Heating of a glass surface of a bulb due to current in the filament
Which of the following causes adiabatic temperature changes in the atmosphere?
(a) Deflection and advection
(b) Latent heat of condensation
(c) Expansion and compression of the air
(d) Partial absorption of solar
Option c – Expansion and compression of the air
The term LASER stands for ( MCQ Questions for Class 10 Science Maharashtra Board )
(a) Light Amplification by Stimulated Emission of Radiation
(b) Light Amplification by Spontaneous Emission of Radiation
(c) Light Amplification by Stimulated Emission of Rays
(d) Light Amplification by Stimulated Energy of Radiation
Option a – Light Amplification by Stimulated Emission of Radiation
Which one of the following processes is not a part of long-wave radiation?
(a) Conduction
(b) Scattering
(c) Convection
(d) Radiation
Option b – Scattering
A body is acted upon by two unequal forces in opposite directions, but not in one line. The effect is that the body will have:
(a) only rotational motion
(b) only translational motion
(c) neither rotational nor translational motion
(d) both rotational and translational motion
Option d – both rotational and translational motion
Which of the following is a mechanical wave? ( MCQ Questions for Class 10 Science Maharashtra Board )
(a) Radio-waves
(b) X-rays
(c) Light waves
(d) Sound waves
Option d – Sound waves
With the rise in temperature, the viscosity of liquid:
(a) Increases
(b) Decreases
(c) Remains unchanged
(d) May increase or decrease depending on the nature of the liquid
Option d – Decreases
Which statement is not associated with nuclear fission?
(a) Neutron-induced nuclear reaction
(b) Energy generation in stars
(c) Source of energy in a nuclear reactor that produces electricity
(d) Enormous energy is released in an atom bomb
Option b – Energy generation in stars
Sound waves travel fastest in: ( MCQ Questions for Class 10 Science Maharashtra Board )
(a) solids
(b) liquids
(c) gases
(d) vacuum
Option a – solids
Transfer of heat by convection can take place in:
(a) solids and liquids
(b) solids and vacuum
(c) gases and liquids
(d) vacuum and gases
Option c – gases and liquids
Lightning can even burn a tree because it contains a tremendous amount of: ( MCQ Questions for Class 10 Science Maharashtra Board )
(a) heat energy
(b) electric energy
(c) chemical energy
(d) nuclear energy
Option b – electric energy
A shaving brush is dipped in water. When taken out, the hairs of the brush are seen to be drawn together due to:
(a) the surface tension of water
(b) the viscosity of water
(c) the elasticity of the hairs of the brush
(d) the temperature difference between air and water
Option a – the surface tension of water
A shaving brush is dipped in water. When taken out, the hairs of the brush are seen to be drawn together due to:
(a) the surface tension of water
(b) viscosity of water
(c) elasticity of the hairs of the brush
(d) temperature difference between air and water
Option a – the surface tension of water
A body is acted upon by two unequal forces in opposite directions, but not in one line. The effect is that the body will have:
(a) only rotational motion
(b) only translational motion
(c) neither rotational nor translational motion
(d) both rotational and translational motion
Option d – both rotational and translational motion
1 nm is equivalent to: ( MCQ Questions for Class 10 Science Maharashtra Board )
(a) 10 Å
(b) 100 Å
(c) 10 μm
(d) 0.1 mm
Option a – 10 Å
An artificial satellite can be tracked very precisely from the earth by using:
(a) Doppler effect
(b) Radar
(c) Sonar
(d) Pulsar
Option a – Doppler effect
If an unsaturated sugar solution is prepared by mixing 100 grams of sugar with half a liter of water, which of the following physical quantities will not change?
(a) mass
(b) density
(c) concentration
(d) volume
Option d – volume
The electric appliances in a house are connected:
(a) in series
(b) in parallel
(c) either in series or in parallel
(d) both in series and in parallel
Option b – in parallel
‘Red’ is used as a danger signal because:
(a) blood is red
(b) red light is scattered least by the air molecules
(c) the red color is easily available
(d) red color is soothing for the eye
Option b – red light is scattered least by the air molecules
What is the SI unit of pressure?
(a) Newton
(b) Weber
(c) Pascal
(d) Henry
Option c – Pascal
Which of the following are highly compressible?
(a) Solid
(b) Liquid
(c) Gas
(d) Solid and Liquid
Option c – Gas
A person is standing on a frictionless horizontal ground. How can he move by a certain distance on this ground?
(a) By sneezing
(b) By jumping
(c) By running
(d) By rolling
Option a – By sneezing
Ultrasonic waves are produced by making use of:
(a) ferromagnetic material
(b) ferrimagnetic material
(c) piezoelectric material
(d) pyroelectrical material
Option c – piezoelectric material
Who among the following has coined the term ‘Quark’, the fundamental particles that make up protons and neutrons in an atomic nucleus?
(a) Richard Feynman
(b) Murray Gell-Mann
(c) Albert Einstein
(d) Niels Bohr
Option b – Murray Gell-Mann
What is the S.I. unit of Force?
(a) Pascal
(b) Boyle
(c) Newton
(d) Watt
Option c – Newton
What is the minimum distance (in meters) required to hear an echo?
(a) 10 m
(b) 13 m
(c) 17 m
(d) 21 m
Option c – 17 m
Why does a blackboard appear black in color?
(a) It reflects black color
(b) It absorbs black color
(c) It reflects all colors
(d) It absorbs all the colors
Option d – It absorbs all the colors
What is the unit of resistance?
(a) Ohm
(b) Farad
(c) Henry
(d) Weber
Option a – Ohm
What is the other name of Galileo’s law of falling bodies?
(a) Law of motion
(b) Newton’s first law
(c) Newton’s second law
(d) Newton’s third law
Option b – Newton’s first law
Gravitational force is maximum at which of the following places?
(a) At equator
(b) At tropic of cancer
(c) At tropic of capricorn
(d) At poles
Option d – At poles
Which of the following is not a vector quantity?
(a) Momentum
(b) Displacement
(c) Torque
(d) Speed
Option d – Speed
At what temperature (in Fahrenheit) does pure water freeze?
(a) 32
(b) 0
(c) 48
(d) 37
Option a – 32
Which of the following is not a vector quantity?
(a) Acceleration
(b) Electric current
(c) Force
(d) Velocity
Option b – Electric current
The bending of light when it passes around a corner or a slit is due to
(a) reflection
(b) refraction
(c) diffraction
(d) total internal reflection
Option c – diffraction
It is difficult to fix a nail on a freely suspended wooden frame. Which law supports this statement?
(a) Law of inertia
(b) Newton’s second law
(c) Newton’s third law
(d) Pascal’s law
Option c – Newton’s third law
Convex mirror is generally used in
(a) solar cookers
(b) ophthalmoscope
(c) reflector for headlight
(d) rearview mirror
Option d – rearview mirror
What is the S.I. unit of frequency?
(a) Newton
(b) Watt
(c) Farad
(d) Hertz
Option d – Hertz
Speed of light is maximum in ……
(a) vacuum
(b) solids
(c) liquids
(d) gases
Option a – vacuum
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