Question # 1

----------------- rays are used to detect the flaws and crocks of metal parts.

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a -rays

gama rays

beta rays

None of these

The charge on alpha particle is:

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1

2

4

6

Laser surgery is of special importance in

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heart operation

kidney operation

liver operation

cancer operation

The rays which are liberated from metal due to collision of fast moving electrons:

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Alpha rays

Beta rays

Gamma rays

x - rays

the test that measures the electrical activity of the heart:

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E.C.G (Electrocardiogram)

E.E.G (Electroencephalography)

M.R.I (Magnetic resonance imaging)

Angiography

Emission of ratiations from nucleus is said to be

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Chemical reaction

Atomic reaction

Radioactivity

Nuclear fission

Radioactivity occurs naturally from all the elecments with atomic number greater than.

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62

72

80

82

Element having atomic numebr greater than.......... go on emitting radiations.

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80

92

82

83

Which type of rays are used in the solar system fitted on ships and submarines to find the hidden secrets under water:

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x - rays

C.T Scan

Ultrasound

Light

In ........ henry Bequeral discovered.

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1895

1886

1896

1898

The Phenomenon of emission of radiations from radioactive elements is called:

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Doping

Allotropy

Radioactivity

Induction

The number of hydrogen isotopes;

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3

2

8

10

The process of manufacturing food in pants;

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Respiration

Digestion

Fermentation

Photosynthesis

Phosphorous.... and sulphur 35 are employed on living system to trace metabolic path.

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31

30

38

32

Recording of electrical activity of brain is said to be:

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ultrasound

MRI

E.E.G

E.C.G

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