Thermions Are______
Thermions Are______
Photons | |
Protons | |
Positrons | |
Electrons |
physics mcqs with answers
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Physics mcqs
There Are Three Bulbs Of 60w 100w And 200w Which Bulb Has Thickest Filament ?
There Are Three Bulbs Of 60w 100w And 200w Which Bulb Has Thickest Filament ?
100w | |
60w | |
All | |
200w |
The Working Of Transistor As Amplifier Is Similar To______
The Working Of Transistor As Amplifier Is Similar To______
Step Up Transformer | |
Three Diodes In Common | |
Step Down Transformer | |
Triode Vacuum Tube |
The Work Done In The Isochoric Process Is______
The Work Done In The Isochoric Process Is______
Depends On Situation | |
Variable | |
Zero | |
Constant |
The Work Done By Friction Is______
The Work Done By Friction Is______
Positive | |
Negative | |
Zero | |
None Of These |
The Waves That Require A Material Medium For Their Propagation Are Called______
The Waves That Require A Material Medium For Their Propagation Are Called______
Mechanical Waves | |
Electromagnetic Waves | |
Matter Waves | |
Carrier Waves |
The Waveform Of S.H.M. Is______
The Waveform Of S.H.M. Is______
Standing Wave | |
Square Wave | |
None | |
Sine Wave |
The Velocity Of The Mass Attached To A Spring Is Maximum At______
The Velocity Of The Mass Attached To A Spring Is Maximum At______
Extreme Position | |
Mean Position | |
None | |
Both A And B |
The Velocity Of Sound Is Greatest In______
The Velocity Of Sound Is Greatest In______
Copper | |
Ammonia | |
Air | |
Water |
The Velocity Of Sound In Air Would Become Double Than Its Velocity At 0°C At Temperature______
The Velocity Of Sound In Air Would Become Double Than Its Velocity At 0°C At Temperature______
313°C | |
819°C | |
1172°C | |
586°C |
The Velocity Of Sound In Air Would Become Double Than Its Velocity At 0°C At Temperature ?
The Velocity Of Sound In Air Would Become Double Than Its Velocity At 0°C At Temperature ?
586°C | |
313°C | |
1172°C | |
819°C |
The Velocity Of Light Was Determined Accurately By______
The Velocity Of Light Was Determined Accurately By______
Huygen | |
Newton | |
Young | |
Michelson |
The Velocity Of Laser Light Is______
The Velocity Of Laser Light Is______
More Than Ordinary Light | |
Equal To Ordinary Light | |
Different For Different Colours Or Frequency | |
Less Than Ordinary Light |
The Velocity Of An Oscillating Charge As It Moves To And Fro Along A Wire Is Always______
The Velocity Of An Oscillating Charge As It Moves To And Fro Along A Wire Is Always______
Constant | |
Infinite | |
Zero | |
Changing |
The Velocity Of A Particle Of Mass M Of De-Broglie Wavelength Λ Is______
The Velocity Of A Particle Of Mass M Of De-Broglie Wavelength Λ Is______
V = 3 ×× 106 Ms-1 | |
V = 2 ×× 10 Ms-1 | |
V = 2 ×× 6 Ms-1 | |
V = 2 ×× 106 Ms-1 |
The Value Of The Steady Current Which When Flowing Through The Same Resistor Produces Heat At The Same Rate As The Mean Rate Of Heat Produced By The Alternating Current Is______
The Value Of The Steady Current Which When Flowing Through The Same Resistor Produces Heat At The Same Rate As The Mean Rate Of Heat Produced By The Alt
Net Current | |
Average Current | |
R.M.S Current | |
Sinusoidal Current |
The Value Of Resistivity For Insulator Is Of The Order Of______
The Value Of Resistivity For Insulator Is Of The Order Of______
105 Ohm Metre | |
106 Ohm Metre | |
107 Ohm Metre | |
108 Ohm Metre |
The Value Of Critical Angle For Glass Is______
The Value Of Critical Angle For Glass Is______
50° | |
52° | |
47° | |
42° |
The Value Of Γ For Diatomic Gas Is______
The Value Of Γ For Diatomic Gas Is______
Γ = 1.3 | |
1.4 | |
1.67 | |
None |
The Unit Vector In The Direction Of Vector A = 2 I^ -2j^ + K^ Is______
The Unit Vector In The Direction Of Vector A = 2 I^ -2j^ + K^ Is______
(2i^ – 2j^ +K^)/9 | |
(2i^ – 2j^ +K^)/5 | |
(2i^ – 2j^ +K^)/3 | |
2i^ – 2j^ + K^ |
The Unit Of Radioactivity Curie Is Equal To______
The Unit Of Radioactivity Curie Is Equal To______
3.60 X 1010 Disintegration Per Sec | |
3.70 X 1010 Disintegration Per Sec | |
3.55 X 1010 Disintegration Per Sec | |
3.74 X 109 Disintegration Per Sec |
The Unit Of Force Is ______ And Its Symbol Is ______ Which Is The Correct Pair ?
The Unit Of Force Is ______ And Its Symbol Is ______ Which Is The Correct Pair ?
Newton, N | |
Newton, N | |
Newton, N | |
Newton, N |
The Unit Of Entropy Is______
The Unit Of Entropy Is______
Kgm2/Sec2.K | |
J/K | |
N.M/Sec | |
J.K |
The Unit Of Coefficient Of Linear Expansion Or Volume Expansion Is______
The Unit Of Coefficient Of Linear Expansion Or Volume Expansion Is______
K-1 | |
K -2 | |
K | |
None |
The Uncertainty In Momentum & Position Is Due To Its______
The Uncertainty In Momentum & Position Is Due To Its______
Property Of Matter And Radiation | |
Emission Of The Certain Wavelength | |
Very High Velocity | |
Two-Dimensional Motion |