Which of the following is the smallest unit?
1. Millimetre
2. Angstrom
3. Fermi
4. Metre
Which one of the following pairs of quantities and their units is a proper match?
1. Electric field –
2. Magnetic flux –
3. Power – Farad
4. Capacitance – Henry
The unit of absolute permittivity is
1. (Farad-metre)
2. (Farad/metre)
3. (Farad/)
4. F (Farad)
List-I
I. Joule II. Watt III. Volt IV. Coulomb |
List-II
A. Henry × Amp/sec B. Farad × Volt C. Coulomb × Volt D. Oersted × cm E. Amp × Gauss F. Amp2 × Ohm |
[This question includes concepts from 12th syllabus]
Codes:
1.
2.
3.
4.
Which relation is wrong?
1. 1 Calorie = 4.18 Joules
2.
3.
4.
If , where x is the distance travelled by the body in kilometres while t is the time in seconds, then the units of b are
1.
2.
3.
4.
Given the equation . The units of will be: (where is pressure and is volume)
1.
2.
3.
4.
Which of the following quantity is expressed as force per unit area
1. Work
2. Pressure
3. Volume
4. Area
Match the following:
List-I |
List-II |
||
(a) |
Distance between earth and stars |
1. |
Microns |
(b) |
Inter-atomic distance in a solid |
2. |
Angstroms |
(c) |
Size of the nucleus |
3. |
Light years |
(d) |
Wavelength of infrared laser |
4. |
Fermi |
5. |
Kilometres |
Codes:
a |
b |
c |
d |
|
1. |
5 |
4 |
2 |
1 |
2. |
3 |
2 |
4 |
1 |
3. |
5 |
2 |
4 |
3 |
4. |
3 |
4 |
1 |
2 |