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