Physics MCQ'S

Question: 1   The dimensions of volume are

1. M⁰L² T ⁰
2. M⁰ L³ T^-1
3. M ⁰ L ³ T ⁰
4. M¹ L ³ T¹

Question: 2   The dimensional formula ML² T^-2 represents

1. the moment of a force
2. acceleration
3. force
4. momentum

Question: 3   Which of the following pairs of physical quantities have the same dimensions?

1. momentum and impulse
2. energy and surface energy
3. momentum and angular momentum
4. force and surface tension

Question: 4   Dimensional analysis can be used in deducing the exact relationship between any number of physical quantities

1. True
2. False
3. Uncertain
4. none of these

Question: 5   The M.K.S unit of energy is

1. Dyne/sec
2. Joule
3. erg
4. none of these

Question: 6   In S.I. system Pascal is a unit of

1. surface tension
2. surface energy
3. Viscosity
4. velocity

Question: 7   In the Bernoullie's theory the term 1/2 pv² and pg^x process the same unit as of

1. pressure
2. force
3. impulse
4. strain

Question: 8   Watt-sec is a unit of

1. momentum
2. force
3. energy
4. power

Question: 9   The unit of current density is

1. ampere metre²
2. ampere/metre
3. weber/metre²
4. ampere/metre²

Question: 10   One pascal in SI is equal to

1. one newton metre
2. one newton metre^-1
3. one newton metre^-2
4. one dyne cm²

Question: 11  One big advantage of the atomic standards of length and time is that

1. they are of human size
2. they can be measured with simple equipment
3. they are natural units
4. they can be duplicated anywhere

Following list gives the correct choice for the answer of the Physics mcqs.
1 . C       2 . A       3 . A       4 . A       5 . B       6 . C       7 . A       8 . B       9 . D       10 . C       11 . D