In Obtaining An X-Ray Photograph Of Our Hand We Use The Principle Of______
In Obtaining An X-Ray Photograph Of Our Hand We Use The Principle Of______
Any Of Above | |
Photo Electric Effect | |
Ionization | |
Shadow Photograph |
physics mcqs with answers
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Physics mcqs
In Normal State Of Energy The Incident High Energy Photons Will Be______
In Normal State Of Energy The Incident High Energy Photons Will Be______
Stimulated | |
Cause X-Ray Emission | |
Absorbed | |
Cause Laser Production |
In N-P-N Transistor, P Works As______
In N-P-N Transistor, P Works As______
Collector | |
Base | |
Emitter | |
Any Of Above |
In Multiplication And Division Of Measurement______
In Multiplication And Division Of Measurement______
Percentage Uncertainties Are Divided | |
Absolute Uncertainties Are Added | |
Percentage Uncertainties Are Added | |
Absolute Uncertainties Are Divided |
In Multimode Step Index Fibre The Refractive Index Of Core And Cladding Is______
In Multimode Step Index Fibre The Refractive Index Of Core And Cladding Is______
Same | |
Different | |
Different With Refractive Index Of Core Higher Than Cladding | |
Zero |
In Monochromatic Red Light A Blue Book Will Probably Appear To Be______
In Monochromatic Red Light A Blue Book Will Probably Appear To Be______
Green | |
Black | |
No Scientific Reasoning Available | |
Purple |
In Liquids And Gases The Current Is Due To The Motion______
In Liquids And Gases The Current Is Due To The Motion______
Neutral Particles | |
Positive Charges | |
Both Negative And Positive Charges | |
Negative Charges |
In Laser Production The State In Which More Atoms Are In The Upper State Than In The Lower One Is Called______
In Laser Production The State In Which More Atoms Are In The Upper State Than In The Lower One Is Called______
Normal State | |
Metal Stable State | |
Inverted Population | |
All The Above |
In Hydrogen Spectrum Which One Of The Following Series Lies In The Ultraviolet Region ?
In Hydrogen Spectrum Which One Of The Following Series Lies In The Ultraviolet Region ?
Bracket Series | |
Lymann Series | |
Pfund Series | |
Balmer Series |
In He-Ne Laser The Lasing Action Is Produced By______
In He-Ne Laser The Lasing Action Is Produced By______
Electrons Of He | |
Electrons Ne | |
He-Ne Both | |
Ne Only |
In Half-Wave Rectification The Output D.C. Voltages Is Obtained Across The Load For______
In Half-Wave Rectification The Output D.C. Voltages Is Obtained Across The Load For______
The positive half cycle of A.C | |
The negative half cycle of A.C | |
The positive and negative half cycles | |
Either positive or negative half of A.C |
In Full Wave Rectification The Output D.C. Voltage Across The Load Is Obtained For______
In Full Wave Rectification The Output D.C. Voltage Across The Load Is Obtained For______
The Positive Half Cycle Of Input A.C | |
The Negative Half Cycle Of Input A.C | |
All Of The Above. | |
The Complete Cycle Of Input A.C |
In Forward Bias The Width Of Potential Barrier______
In Forward Bias The Width Of Potential Barrier______
Increases | |
Decreases | |
No Effect | |
Remains Same |
In Double Slit Experiment We Observe ______
In Double Slit Experiment We Observe ______
Polirized Frringes | |
Interference Fringes Only | |
Diffraction Fringes Only | |
Both Interference And Diffraction Fringes |
In Double Slit Experiment If One Of The Two Slit Is Covered Then______
In Double Slit Experiment If One Of The Two Slit Is Covered Then______
No Interference Fringes Are Observed | |
Interference Pattern Not Disturbed | |
No Diffraction Fringes Are Observed | |
No Fringes Observed |
In Davisson-Germer Experiment The Diffracted Proton From Crystal Shows______
In Davisson-Germer Experiment The Diffracted Proton From Crystal Shows______
Particle Property | |
Light Property | |
Quantum Property | |
Wave Property |
In Damped Harmonic Oscillation Which One Decreases ?
In Damped Harmonic Oscillation Which One Decreases ?
Neither Amplitude Nor Energy | |
Both Amplitude And Energy | |
Energy Of Vibration | |
Amplitude Of Vibration |
In Cricket When A Bowler Produce Reverse Swing The Ball Will Move Towards______
In Cricket When A Bowler Produce Reverse Swing The Ball Will Move Towards______
A.The Shinning Side Of The Ball | |
Rough Side | |
The Seam Of The Ball | |
Goes Straight |
In Compton Scattering, The Change In Wavelength Is Maxed If______
In Compton Scattering, The Change In Wavelength Is Maxed If______
The Angle Of Scattering Is 180° | |
The Angle Of Scattering Is 90° | |
The Angle Of Scattering Is 60° | |
The Angle Of Scattering Is 0 |
In Case Of Planets The Necessary Acceleration Is Provided By______
In Case Of Planets The Necessary Acceleration Is Provided By______
Centripetal Force | |
Gravitational Force | |
Frictional Force | |
Coulomb Force |
In Case Of A Simple Pendulum, The Cause Of Damping Is______
In Case Of A Simple Pendulum, The Cause Of Damping Is______
Gravity | |
None Of These | |
Drag Force Of Air | |
Tension In The String |
In Any Measurement The Significant Figures Are______
In Any Measurement The Significant Figures Are______
All Accurately Known And All Doubtful Digits | |
All Accurately Known Digits And The First Doubtful Digit | |
Only Doubtful Digits | |
Only Accurately Known Digits |
In An X-Ray Tube Electrons Each Of Charge E Are Accelerated Through V Potential Difference Allowed To Hit A Metal Target. The Wavelength Of The X-Rays Emitted Is______
In An X-Ray Tube Electrons Each Of Charge E Are Accelerated Through V Potential Difference Allowed To Hit A Metal Target.
Impossible To Predict | |
Ev/H | |
He/Vc | |
He/Ev |
In An Interference Pattern______
In An Interference Pattern______
Bright Fringes Are Wider Than Dark Fringes | |
Central Fringes Are Brighter Than The Outer Fringes | |
Dark Fringes Are Wider Than Bright Fringe | |
Both Dark And Bright Fringes Are Of Equal Width |
In An Electronic Transition Atom Cannot Emit______
In An Electronic Transition Atom Cannot Emit______
Infra Red Radiation | |
Γ-Rays | |
Visible Light | |
Ultraviolet Rays |