Mock Test

Physics Quiz questions and answers for class 12

Physics Quiz Questions And Answers For Class 12

This Mock Test Is Good To Practice The Questions Of Physics Quiz That Are As The Same Pattern Main Exam .Candidates Are Required To Practice Hard To Score Well In The Physics Quiz . Therefore, Here Have Provided The Physics Quiz Questions And Answers For Class 12 In Which Many Questions Available To Help You And Improve Your Skills. These Tests Will Determine Your Current Status And Position. These Will Be Based On New Pattern And Updated Syllabus. The Test Will Be Provided In English And If You Want To Give It In Hindi Then Visit Our Hindi Website.

1. ATM Stands For
⚪Automatic Tally Machine
⚪Automated Teller Machine
⚪Automatic Teller Machine
⚪ Automated Tally Mechanism
Answer
Automatic Teller Machine

2. In Sunlight A Rose Appears Red. In Green Light The Same Rose Appears :

⚪Red
⚪Black
⚪Green
⚪Yellow
Answer
black

3. When A Vibrating Tuning Fork Is Placed On A Table A Loud Sound Is Heard. This Is Due To :

⚪Refraction
⚪Damped Vibrations
⚪Forced Vibrations
⚪Reflection
Answer
forced Vibrations

4. A Photoelectric Cell Converts

⚪Light Energy To Chemical Energy
⚪Light Energy To Electrical Energy
⚪Heat Energy To Mechanical Energy
⚪Mechanical Energy To Electric Energy
Answer
light Energy To Electrical Energy

5. Kilowatt Hour Is The Unit Of

⚪Power
⚪Energy
⚪Force
⚪Momentum
Answer
Energy

6. The Instrument Used To Measure The Speed Of The Wind Is

⚪Dosimeter
⚪Chronometer
⚪Altimeter
⚪Anemometer
Answer
Anemometer

7. For Which Diode Is Used ?

⚪Purification
⚪Amplification
⚪Oscillation
⚪Modulation
Answer
purification

8. The Scientist Who First Sent Electromagnetic Waves To Distant Places Is

⚪Heinrich Hertz
⚪John Logie Baird
⚪Thomas Alva Edison
⚪James Clerk Maxwell
Answer
Thomas Alva Edison
9. For A Body Moving With No Uniform Velocity And Uniform Acceleration
⚪(X) Displacement Time Graph Is Linear.
⚪Velocity Time Graph Is Linear
⚪Displacement Time Graphic Is Nonlinear
⚪Velocity Time Graph Is Nonlinear
Answer
Displacement Time Graphic Is Nonlinear

10. Which Of The Following Events Occurred First ?

⚪Max Planck Unveiled The Quantum Theory
⚪Marconi First Transmitted A Wireless Signal
⚪Madame Marie Curie Became The First Woman Nobel Prizewinner
⚪Albert Einstein Propounded The General Theory Of Relativity
Answer
Max Planck Unveiled The Quantum Theory

11. The Centre Of Gravity Of A Sprinter During The Race Lies

⚪Ahead Of His Feet
⚪Behind His Feet
⚪At The Centre Of The Body
⚪To The Left Side Of The Body
Answer
ahead Of His Feet

12. Persistence Of Vision Is The Principle Behind

⚪Cinema
⚪Spectroscope
⚪Camera
⚪Periscope
Answer
Cinema

13. Cupric Point Is The Temperature At Which

⚪A Metal Loses Conductivity
⚪A Metal Loses Magnetic Properties.
⚪Transmutation Of Metal
⚪Matter Becomes Radioactive
Answer
A Metal Loses Magnetic Properties.

14. Amount Of Water Vapour In The Atmosphere Is Measured In Terms Of

⚪Humidity
⚪Droplets
⚪Smog
⚪All Of The Above
Answer
Humidity

15. Which Of The Following Is An Example For Cantilever Beam?

⚪Diving Board
⚪ Bridge
⚪Seesaw
⚪Common Balance
Answer
Bridge

16. Spectacles Used For Viewing 3D Films Have

⚪Bifocal Lens
⚪Convex Lens
⚪Concave Lens
⚪Polaroid’s
Answer
Polaroid’s

17. The Filament Of Electric Bulb Is Made Up Of :

⚪Copper
⚪Nichrome
⚪Lead
⚪Tungsten
Answer
Tungsten

18. The Sudden Fall Of Atmospheric Pressure Indicates

⚪ Rain
⚪Storm
⚪ Cold Weather
⚪Fair Weather
Answer
storm

19. Heat From The Sun Reaches Earth By The Process Of

⚪Radiation
⚪Convection
⚪All Of The Above
⚪Conduction
Answer
Radiation

20. Ventilators Are Provided Near The Ceiling Of The Room Because

⚪These Do Not Look Nice In The Lower Part
⚪The Exhaled Warmer Air Rises Up And Goes Out
⚪These Provide Cross Ventilation In The Room
⚪These Provide Some Sunlight In The Room
Answer
the Exhaled Warmer Air Rises Up And Goes Out
21. What Apparatus Is Used To Locate A Submerged Object?
⚪(I)Radar
⚪Sonar
⚪Quasar
⚪Pulsar
Answer
Sonar

22. The Important Unit Of A Microprocessor Is

⚪ALU
⚪Array Of Registers
⚪Control Unit
⚪All Of The Above
Answer
All Of The Above

23. Which One Of The Following Has The Highest Value Of Specific Heat?

⚪Glass
⚪Copper
⚪Lead
⚪Water
Answer
Water

24. The Strongest Force In Nature Is

⚪Electrical Force
⚪Gravitational Force
⚪Magnetic Force
⚪Nuclear Force
Answer
nuclear Force

25. A Person Is Hurt On Kicking A Stone Due To

⚪Velocity
⚪Momentum
⚪Reaction
⚪Inertia
Answer
Reaction

26. Which Set Of Conditions Represents The Easiest Way To Liquify A Gas ?

⚪High Temperature And Low Pressure
⚪Low Temperature And High Pressure
⚪Low Temperature And Low Pressure
⚪High Temperature And High Pressure
Answer
Low Temperature And High Pressure

27. Which Among The Following Is The Fundamental Quantity ?

⚪Volume
⚪Velocity
⚪Time
⚪Force
Answer
Time

28. Waves That Are Required For Long Distance Wireless Communication Are

⚪Ultraviolet Rays
⚪Microwaves
⚪Radio Waves
⚪Infrared Fays
Answer
Radio Waves

29. Remote Sensing Device Has An Inbuilt Source Of

⚪Ultraviolet Ray
⚪Infrared Ray
⚪Gray
⚪X-Ray
Answer
infrared Ray

30. If The Velocity Time Graph Of A Particle Is Represented By Y = Mt + C Then The Particle Is Moving With

⚪Constant Acceleration
⚪Varying Acceleration
⚪Constant Velocity
⚪Constant Speed
Answer
constant Acceleration
31. A Fountain Pen Works On The Principle Of
⚪Flow Of Liquids From Higher To Lower Potential
⚪Viscosity Of Liquids
⚪Capillary Action
⚪Bernoullis Principle
Answer
capillary Action

32. The Instrument Used To See The Distant Objects On The Earth Is

⚪Astronomical Telescope
⚪Terrestrial Telescope
⚪Compound Microscope
⚪Simple Microscope
Answer
Terrestrial Telescope
33. An Oil Drop Spreads Over Water Because
⚪Oil Is More Viscous
⚪Oil Does Not Mix With Water
⚪Surface Tension Of Oil Is Much Smaller Than That Of Water
⚪Oil Is Lighter Than Water
Answer
surface Tension Of Oil Is Much Smaller Than That Of Water
34. When A Person Walking In Bright Sunlight Enters A Dark Room He Is Not Able To See Clearly For A Little While Because
⚪The Retina Retains The Bright Images For Sometime And Becomes Momentarily Insensitive.
⚪The Iris Is Unable To Contract The Pupil Immediately
⚪The Iris Is Unable To Dilate The Pupil Immediately
⚪The Eye Muscles Cannot Immediately Adjust The Focal Length Of The Eye Lens.
Answer
the Iris Is Unable To Dilate The Pupil Immediately

35. Conversion Of Heat Into Electrical Is Achieved By Using :

⚪Voltmeter
⚪Hydrometer
⚪Thermocouple
⚪Ammeter
Answer
Thermocouple
36. Bolometer Is Used To Measure
⚪Temperature
⚪Frequency
⚪Velocity
⚪Wavelength
Answer
Temperature

37. Light Beam Which Is Highly Directional Is Called:

⚪Eraser
⚪Grazer
⚪Maser
⚪Laser
Answer
laser

38. A Bullet Is Fired From A Rifle Which Recoils After Firing. The Ratio Of Kinetic Energy Of The Rifle To That Of The Bullet Is

⚪Zero
⚪One
⚪Less Than One
⚪More Than One
Answer
zero
39. Short Sight In Human Eye Can Be Corrected By Using Proper
⚪Convex Lens
⚪Concave Lens
⚪Cylindrical Lens
⚪Bifocal Lens
Answer
concave Lens

40. What Principle Law Explains The Working Of The Hydraulic Brakes In Automobiles ?

⚪Bernoulli’s Law
⚪Posieulles Principle
⚪Pascal’s Law
⚪Archimedes Principle
Answer
Pascal’s Law

41. If A Boy Sitting In A Train Which Is Moving At A Constant Velocity Throws A Ball Straight Up Into The Air The Ball Will

⚪ Fall In Front Of Him
⚪ Fall Behind Him
⚪Fall Into His Hand
⚪None Of The Above
Answer
fall Into His Hand
42. Why The Needle Of Iron Swims On Water Surface When It Is Kept Gently ?
⚪Due To Its Shape
⚪Due To Surface Tension
⚪The Density Of Needle Is Less Than That Of Water
⚪It Will Remain Under The Water When It Will Displace More Water Than Its Weight
Answer
due To Surface Tension
43. Decibel Is The Unit Used For
⚪Speed Of Light
⚪Intensify Of Heat
⚪Intensity Of Sound
⚪Radio Wave Frequency
Answer
Intensity Of Sound

44. A Multimeter Is Used To Measure

⚪Current
⚪Voltage
⚪Resistance
⚪All Of The Above
Answer
All Of The Above

45. In Severe Winter In Cold Countries Water Pipes Burst Because

⚪Water Expands On Freezing
⚪Contraction Of Water Pipes
⚪High Atmospheric Pressure
⚪Combined Effect Of All The Above Three.
Answer
water Expands On Freezing

46. The Mass Of A Star Is Two Times The Mass Of The Sun. How It Will Come To An End ?

⚪White Dwarf
⚪Black Hole
⚪Neutron Star
⚪Red Giant
Answer
Neutron Star

47. The Substance Which Conducts Current In The Solid State Is

⚪Graphite
⚪Diamond
⚪Iodine
⚪Sodium Chloride
Answer
graphite

48. In The Atmosphere Ultraviolet Rays Are Absorbed By

⚪Nitrogen
⚪Oxygen
⚪Ozone
⚪Helium
Answer
Oxygen

49. A Falling Drop Of Rain Water Acquires The Spherical Shape Due To

⚪Viscosity
⚪Surface Tension
⚪Atmospheric Pressure
⚪Gravitational Force
Answer
Surface Tension

50. What Is The Full Form Of AM Regarding Radio Broadcasting?

⚪Anywhere Movement
⚪Amplitude Matching
⚪Amplitude Modulation
⚪Amplitude Movement
Answer
Amplitude Modulation

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