| 1 |
The charge on alpha particle is: |
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| 2 |
If we increasing angle of incidence then at a particular angle incidence the angel of refraction is. |
- A. 45 <sup>o</sup>
- B. 60 <sup>o</sup>
- C. 30 <sup>o</sup>
- D. 90 <sup>o</sup>
|
| 3 |
Element having atomic numebr greater than.......... go on emitting radiations. |
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| 4 |
The light of laser is: |
- A. monochromatic
- B. dichromatic
- C. trichromatic
- D. Tetrachrmatic
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| 5 |
In engineering department besides heavy machinery the role of ....... industry is examplary. |
- A. Cottage
- B. Steel
- C. Electrical
- D. Paper
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| 6 |
Laser surgery is of special importance in |
- A. heart operation
- B. kidney operation
- C. liver operation
- D. cancer operation
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| 7 |
the test that measures the electrical activity of the heart: |
- A. E.C.G (Electrocardiogram)
- B. E.E.G (Electroencephalography)
- C. M.R.I (Magnetic resonance imaging)
- D. Angiography
|
| 8 |
The rays which are liberated from metal due to collision of fast moving electrons: |
- A. Alpha rays
- B. Beta rays
- C. Gamma rays
- D. x - rays
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| 9 |
The mass of Beta particle: |
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| 10 |
During the preparation of the juice of sugarcane is heated from: |
- A. 100°C to 110°C
- B. 100° to 120°
- C. 100°C to 130°C
- D. 100°C to 140°C
|
