Two Vectors Are A = 3i^+2j^ -K^& B = 3i^-2j^ +K^ , Then______
Two Vectors Are A = 3i^+2j^ -K^& B = 3i^-2j^ +K^ , Then______
B Is Perpendicular To A | |
B Is A Negative Vector Of A | |
B Has A Negative Magnitude | |
B Is Anti-Parallel To A |
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
Two Vectors Are A = 3i^+2j^ -K^& B = 3i^-2j^ +K^ , Then______
B Is Perpendicular To A | |
B Is A Negative Vector Of A | |
B Has A Negative Magnitude | |
B Is Anti-Parallel To A |
Two Vectors A And B Are Making Angle Θ With Each Other. The Scalar Projection Of Vector B On Vector A Is Written As______
A.Cosθ | |
A.B/B | |
Both A And B Are Correct | |
A.B/A |
Two Sources Of Light Are Coherent If They Emit Rays Of______
Same Wave Length With Constant Phase Difference | |
Same Amplitude And Wavelength | |
Same Wavelength | |
Same Amplitude Of Vibration |
Two Parallel Wires Carrying Currents In The Opposite Directions______
Have No Effect Upon Each Other | |
Attract Each Other | |
They Cancel Out Their Individual Magnetic Fields | |
Repel Each Other |
Two Identical Coaxial Circular Loops Carry Equal Currents In The Same Direction. If The Loops Approach Each Other The Current In______
One Increases Whereas That In The Other Decreases | |
Each Remains The Same | |
Each Increase | |
Each Decrease |
Two Fog Droplets Have Radius 2:3 Their Terminal Velocities Are______
4.3 | |
4:09 | |
4:06 | |
2:09 |
Two Convex Lenses Of Equal Focal Length F Are Placed In Contact The Resultant Focal Length Of The Combination Is______
Zero | |
F/2 | |
2 F | |
Focus |
Triple Point Of Water Is______
273k At 61.6 Kpa | |
273°C At 6.11 Kpa | |
273.16k At 750 Kpa | |
273.16°C At 0.611 Kpa |
Transuranic Elements Have An Atomic Number______
Greater Than 102 | |
Greater Than 82 | |
Greater Than 92 | |
Greater Than 72 |
Total Uncertainty, In The Result Obtained From The Subtraction Of Two Measurements, Is Equal To______
Sum Of Their Absolute Uncertainties | |
The Difference Of Their Absolute Uncertainties | |
The Product Of Their Absolute Uncertainties | |
Division Of Their Absolute Uncertainties |
Total Number Of Series In Hydrogen Spectrum Is______
Three | |
Four | |
Five | |
Six |
Total Distance Travelled By A Bob Of The Simple Pendulum In One Vibration Is Equal To______
Amplitude | |
4 X Amplitude | |
2 X Amplitude | |
Square Of The Amplitude |
Torque Is Defined As______
Product Of Force And Moment Arm | |
All A, B And C Are Correct | |
Turning Effect Of Force | |
Cross Product Of Position Vector And Force |
Torque Acting On A Body Determines______
Direction Of Motion Of The Body | |
Linear Acceleration | |
Angular Acceleration | |
Acceleration |
To Reduce The Uncertainty In The Timing Experiment______
Count Number Of Vibration | |
Conduct At Room Temperature | |
Highly Precise Instrument | |
Both A And C |
To Obtain An N-Type Semiconductor Germanium Crystal It Must Be Doped With Foreign Atoms Whose Valency Is______
2 | |
3 | |
5 | |
4 |
To Obtain A P-Type Semi-Conductor Si Crystal Must Be Doped With Foreign Atoms Whose Valency Is______
3 | |
2 | |
5 | |
4 |
To Find The R.M.S Value Of An Alternating Current Mathematically We Need To Have ______
Square Root Of I2 | |
Square Of 1/2 | |
Mean Value Of I2 | |
Square Root Of Mean Value Of I2 |
Time Rate Of Change Of Momentum Is Equal To______
Impulse | |
Velocity | |
Both A And C | |
Force |
Three Students Measured The Length Of A Needle With Meter Rod And Recorded As : (I) 0.2145m (Ii) 0.21m (Iii) 0.214m Which One Is A Correct Record ?
Only (I) | |
Only (Ii) | |
Both (I) And (Ii) | |
Only (Iii) |
Three Equal Resistors Connected In Series With A Source Of E M F Together Dissipate 10 W Of Power Each.
40 W | |
120w | |
100w | |
90w |
Three Coplanar Forces Acting On A Body Keep It In Equilibrium. They Should Therefore Be______
Non-Concurrent | |
Concurrent | |
Parallel | |
Non-Parallel |
Three Bulbs Are Rating 40w 60w And 100w Designed To Work On 220v Mains.
100 W Blub | |
40 W Bulb | |
60 W Blub | |
All Will Burn Equally Brightly |
The______Branch Of Physics Deals With Nuclear Particles Such As Neutrons, Protons And Nuclear?
E. Particle Physics | |
Structure Is Called | |
Plasma Physics | |
Solid State Physics |
Thermocouples Convert______
Mechanical Energy Into Heat Energy | |
Heat Energy Into Mechanical Energy | |
Heat Energy Into Light Energy | |
Heat Energy Into Electrical Energy |