| 1 |
Which of the following is not a vector quantity- |
Speed/Impulse |
Force of gravity |
Electric current |
Displacement |
c |
1 |
|
| 2 |
In the given physical quantities which is not a relative quantity? |
Time |
Acceleration |
Velocity |
Distance |
a |
1 |
|
| 3 |
Which of the following only gives magnitude and not direction? |
Momentum |
Displacement |
Work |
Force |
c |
1 |
|
| 4 |
Which of the following has magnitude and no direction? |
Work |
Impulse |
Displacement |
Force |
a |
1 |
|
| 5 |
The commercial unit of electrical energy is ………. |
Watt |
Calorie |
Kilowatt hour |
Joule |
c |
1 |
|
| 6 |
The SI unit of sound wave frequency was named in honour of which physicist? |
Werner Karl Heisenberg |
Heinrich Rudolf Hertz |
Albert Einstein |
JC Maxwell |
b |
1 |
|
| 7 |
The unit of Force is: |
gms-1 |
Kgms-2 |
gms-2 |
Kgms-1 |
b |
1 |
|
| 8 |
A light-year is a unit of______. |
Time |
Intensity of light |
Mass |
Distance |
d |
1 |
|
| 9 |
The SI unit of electrical resistivity is ……….. |
Ohm-meter |
Ohm |
Coulomb |
Ampere |
a |
1 |
|
| 10 |
The SI unit of 'Magnetic Flux' is: |
Faraday |
Henry |
Pascal |
Weber /Maxwell |
d |
1 |
|
| 11 |
What is measured in 'joules'? |
Energy |
Velocity |
Force |
Power |
a |
1 |
|
| 12 |
Which of the following units is used for measuring the amount of a substance? |
Lux |
Mole |
Tesla |
Joule |
b |
1 |
|
| 13 |
S.I. unit of stress is - |
kg/cm² |
N |
N/m² |
Watt |
c |
1 |
|
| 14 |
Match the following -
(1) Magnetic flux density - (a) Tesla
(2) Self inductance - (b) Weber
(3) Magnetic flux - (c) Henry
Match - |
1-b, 2-c, 3-a |
1-c, 2-a, 3-b |
1-a, 2-b, 3-с |
1-a, 2-c,3-b |
d |
1 |
|
| 15 |
N/m² is S.I. unit of - |
Force |
Repulsion |
Momentum |
Pressure |
d |
1 |
|
| 16 |
Which of the following is not correctly matched- |
(a) Frequency - Hertz |
(b) Magnetic flux - Tesla |
(c) Pressure - Pascal |
(d) Electric conductance - Siemens |
b |
1 |
|
| 17 |
Which of the following pairs does not have the same S.I. units? |
Speed and Velocity |
Work and Energy |
Force and Pressure |
Displacement and distance |
c |
1 |
|
| 18 |
Match the following with the correct response-
(1) Watt - (a) N-m/sec
(2) 1 Kilowatt - (b) 3.6×106J
(3) 1 Kilowatt hour - (c) 1000W
(4) 1 Horsepower - (d) 746W
|
1-A, 2-C, 3-B, 4-D |
1-A, 2-C, 3-D, 4-B |
1-D, 2-B, 3-C, 4-A |
1-A, 2-B, 3-C, 4-D |
a |
1 |
|
| 19 |
Ohm-m is unit of.......? |
Resistivity |
Electric current |
Charge |
Resistance |
a |
1 |
|
| 20 |
Lux is the SI unit of |
Intensity of illumination |
Luminous efficiency |
Luminous flux |
Luminous intensity |
a |
1 |
|
| 21 |
1 atmosphere = ? |
|
|
|
|
a |
1 |
|
| 22 |
Atomic radius is measured in- |
Millimeter |
Centimeter |
Kilogram |
Nanometer |
d |
1 |
|
| 23 |
4.2 kWh = ? |
|
|
|
|
|
0 |
|
| 24 |
A lie detector apparatus is also known as a: |
Seismograph |
Barograph |
Polarimeter |
Polygraph |
d |
1 |
|
| 25 |
Which instrument is used to show the direction of flow of current in a circuit? |
Galvanometer |
Ammeter |
Rheostat |
Voltmeter |
a |
1 |
|
| 26 |
Which device is used in submarines to see things above the level of the sea? |
Pyrometer |
Epidiascope |
Periscope |
Odometer |
c |
1 |
|
| 27 |
Which instrument is used for measuring distance travelled by vehicle? |
Accelerometer |
Odometer |
Speedometer |
Tachometer |
b |
1 |
|
| 28 |
Tachometer is used for- |
R.P.M. |
Torque |
Rotational kinetic energy |
Distance |
a |
1 |
|
| 29 |
Galvanometer is used for measuring- |
Direction of speed |
Direction of magnetic flux |
Direction of sound |
Direction of current |
d |
1 |
|
| 30 |
Which of the following can be measured temperature without touching to object? |
Infrared thermometer |
Filled system thermometer |
Mercury glass thermometer |
Electric thermometer |
a |
1 |
|
