Physics mcqs

physics mcqs with answers

X-Rays Are Diffracted By A Crystal But Not By A Diffraction Grating Because______

X-Rays Are Diffracted By A Crystal But Not By A Diffraction Grating Because______

Incorrect

The Penetration Power Of X-Rays Is High In A Diffraction Grating

Incorrect

The Ions In A Crystal Are Well Arranged

Correct

The Wavelengths Of X-Rays Are Of The Same Order Of Magnitude As The Separation Between Atoms In A Crystal

Incorrect

The Lines In A Diffraction Grating Cannot Reflect X-Rays.

While Measuring The Unknown Resistance The Help Of Slide Wire Bridge A Greatest Accuracy Can Be Achieved When______

While Measuring The Unknown Resistance The Help Of Slide Wire Bridge A Greatest Accuracy Can Be Achieved When______

Incorrect

A Steady Voltage Cell Is Used

Incorrect

A High Resistance Box Is Used In One Of Its Gap

Correct

The Balance Point Is Close To The Middle Of The Wire

Incorrect

A Most Sensitive Galvanometer Is Used