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General physics- Knowledge test
Click on any option to know the CORRECT ANSWERS
Question 1 |
Siphon will fail to work if
the densities of the liquid in the two vessels are equal | |
the level of the liquid in the two vessels are at the same height | |
both its limbs are of unequal length | |
the temperature of the liquids in the two vessels are the same |
Question 2 |
Supersonic plane fly with the speed
less than the speed of sound | |
of sound | |
greater than the speed of sound | |
of light |
Question 3 |
Suitable impurities are added to a semiconductor depending on its use. This is done in order to
increase its life | |
enable it to withstand higher voltages | |
increase its electrical conductivity | |
increase its electrical resistivity |
Question 4 |
Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension?
Pressure and Young's modules | |
Planck's constant and Angular momentum | |
Impulse and moment of force | |
Force and rate of change of linear momentum |
Question 5 |
Out of the following pairs, which one does not have identical dimension?
Moment of inertia and moment of a force | |
Work and Torque | |
Angular momentum and Planck's constant | |
Impulse and Momentum |
There are 5 questions to complete.