Question # 1

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

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31

30

38

32

During the preparation of the juice of sugarcane is heated from:

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100°C to 110°C

100° to 120°

100°C to 130°C

100°C to 140°C

Emission of ratiations from nucleus is said to be

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Chemical reaction

Atomic reaction

Radioactivity

Nuclear fission

Laser is used toproduce three -Dimensional image called.

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Holograms

Holography

Lithotropsy

Radioactive elements

What discovered radioactivity?

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Einstein

Newton

J.J. Thomson

Henry Becquerel

When a ray of light passes from a denser to a rare medium it;

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bends away form the normal to the interface

bends towards the normal

does no bend

non of the above

The mass of Beta particle:

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0

4

2

1

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

Which of the following is a natural fiber:

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Teflon

Cotton

Acrylic

Nylon

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

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62

72

80

82

Bagasse is used as in.

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Sugar mills

Cattle feeds

Alcohol

Cotton textile

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

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

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Doping

Allotropy

Radioactivity

Induction

The light of laser is:

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monochromatic

dichromatic

trichromatic

Tetrachrmatic

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

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