Thermions Are______
Thermions Are______
Positrons | |
Protons | |
Photons | |
Electrons |
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۔
Pak Study Library is installing new software to improve its services. herefore, in the next few days, you may face difficulties in accessing some pages. sorry for the inconvenience.
physics mcqs with answers
Thermions Are______
Positrons | |
Protons | |
Photons | |
Electrons |
There Are Three Bulbs Of 60w 100w And 200w Which Bulb Has Thickest Filament ?
60w | |
All | |
200w | |
100w |
The Working Of Transistor As Amplifier Is Similar To______
Step Down Transformer | |
Step Up Transformer | |
Triode Vacuum Tube | |
Three Diodes In Common |
The Work Done In The Isochoric Process Is______
Variable | |
Depends On Situation | |
Zero | |
Constant |
The Work Done By Friction Is______
Negative | |
Positive | |
None Of These | |
Zero |
The Waves That Require A Material Medium For Their Propagation Are Called______
Mechanical Waves | |
Carrier Waves | |
Electromagnetic Waves | |
Matter Waves |
The Waveform Of S.H.M. Is______
None | |
Square Wave | |
Sine Wave | |
Standing Wave |
The Velocity Of The Mass Attached To A Spring Is Maximum At______
Extreme Position | |
None | |
Mean Position | |
Both A And B |
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______
586°C | |
313°C | |
819°C | |
1172°C |
The Velocity Of Sound In Air Would Become Double Than Its Velocity At 0°C At Temperature ?
1172°C | |
586°C | |
819°C | |
313°C |
The Velocity Of Light Was Determined Accurately By______
Newton | |
Michelson | |
Young | |
Huygen |
The Velocity Of Laser Light Is______
Less Than Ordinary Light | |
Different For Different Colours Or Frequency | |
Equal To Ordinary Light | |
More Than Ordinary Light |
The Velocity Of An Oscillating Charge As It Moves To And Fro Along A Wire Is Always______
Infinite | |
Zero | |
Constant | |
Changing |
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 ×× 106 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
Net Current | |
R.M.S Current | |
Sinusoidal Current | |
Average Current |
The Value Of Resistivity For Insulator Is Of The Order Of______
106 Ohm Metre | |
105 Ohm Metre | |
107 Ohm Metre | |
108 Ohm Metre |
The Value Of Critical Angle For Glass Is______
50° | |
52° | |
47° | |
42° |
The Value Of Γ For Diatomic Gas Is______
1.67 | |
1.4 | |
None | |
Γ = 1.3 |
The Unit Vector In The Direction Of Vector A = 2 I^ -2j^ + K^ Is______
(2i^ – 2j^ +K^)/3 | |
(2i^ – 2j^ +K^)/9 | |
2i^ – 2j^ + K^ | |
(2i^ – 2j^ +K^)/5 |
The Unit Of Radioactivity Curie Is Equal To______
3.70 X 1010 Disintegration Per Sec | |
3.60 X 1010 Disintegration Per Sec | |
3.74 X 109 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______
Kgm2/Sec2.K | |
J/K | |
J.K | |
N.M/Sec |
The Unit Of Coefficient Of Linear Expansion Or Volume Expansion Is______
K | |
None | |
K -2 | |
K-1 |
The Uncertainty In Momentum & Position Is Due To Its______
Emission Of The Certain Wavelength | |
Very High Velocity | |
Property Of Matter And Radiation | |
Two-Dimensional Motion |