Question # 1

Which of the following is not considered a type of radiation ray?

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Gamma

beta

Alpha

Infrared

Why do modern air ship such as blimps use use helium rather than hydrogen gas?

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hydrogen is more expensive

helium gas is lighter

hydrogen gas is highly flammable

hydrogen molecules are so small that they slowly but steadily escape

Who formulated the electromagnetic theory?

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Hans Geiger

Michael Faraday

James Clerk Maxwell

Heinrich Hertz

In a field there are ducks and goats together they have 77 heads 77. heads and 244 legs. The number of duck is:

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25

30

32

37

One meter is equal to__ cubic centimeters

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100

1000

10

In a box, there are 10 red and 5 black balls. if one ball is picked up randomly, what is the probability that it is red ball?

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1/2

1/3

2/3

4/5

Which highly contagious infection begins with mild, cold liker symptoms, then produces severe, uncontrollable coughing fits

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Legionnaire

Diphtheria

Whooping cough

Tuberculosis

Who did the most to found modern geology?

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Ottmar Margaenthaler

Kostantin Tisolkovski

James Lyell

Sir Goldsworth Gurney

Which one of the following the softest?

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Iron

Lithium

Silicon

Sodium

A liquid boils art a temperature at which its saturated vapour pressure becomes

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Twice the atomic pressure

Half the atomic pressure

Equal to the atomic pressure

None of the above

The process of cell division can take place by

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Heterosis

Fusion

Mitosis

None of these

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