| 1 |
During the preparation of the juice of sugarcane is heated from: |
100°C to 110°C
100° to 120°
100°C to 130°C
100°C to 140°C
|
| 2 |
Recording of electrical activity of brain is said to be: |
ultrasound
MRI
E.E.G
E.C.G
|
| 3 |
the test that measures the electrical activity of the heart: |
E.C.G (Electrocardiogram)
E.E.G (Electroencephalography)
M.R.I (Magnetic resonance imaging)
Angiography
|
| 4 |
The rays which are liberated from metal due to collision of fast moving electrons: |
Alpha rays
Beta rays
Gamma rays
x - rays
|
| 5 |
The number of hydrogen isotopes; |
3
2
8
10
|
| 6 |
The charge on alpha particle is: |
1
2
4
6
|
| 7 |
The mass of Beta particle: |
0
4
2
1
|
| 8 |
What discovered radioactivity? |
Einstein
Newton
J.J. Thomson
Henry Becquerel
|
| 9 |
The Phenomenon of emission of radiations from radioactive elements is called: |
Doping
Allotropy
Radioactivity
Induction
|
| 10 |
When a ray of light passes from a denser to a rare medium it; |
bends away form the normal to the interface
bends towards the normal
does no bend
non of the above
|
| 11 |
Laser surgery is of special importance in |
heart operation
kidney operation
liver operation
cancer operation
|
| 12 |
The light of laser is: |
monochromatic
dichromatic
trichromatic
Tetrachrmatic
|
| 13 |
Digital singles are represented by; |
zero and 1
zero and 10
1 and 2
o and 9
|
| 14 |
Which of the following is a brain of computer? |
Central processing unit
Mouse
Monitor
Hard disc
|
| 15 |
Which of the following is an input device: |
key board
printer
monitor
CPU
|
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