Radioactivity measured by which device:...? Mcqs

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Radioactivity measured by which device:...?

(A) Radioactivity meter
(B) Geiger counter

(C) Roll counter
(D) None of these

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Latest MCQs

Existence of an element in more than one form in the same physical state is called:...?

(A) Allotropic
(B) Pleiotropy

(C) Heterotrophy
(D) None of these

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Which chemical element has properties of a metal and no metals...?

(A) Metalloid
(B) Lanthanoid

(C) Actanoid
(D) Graphite

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Hydrometer is used to measure...?

(A) Acidity of water
(B) Specific gravity of a liquid

(C) Pollution in water
(D) Gravity of milk

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The binary decimal of 10100 is:...?

(A) 20
(B) 200

(C) 200
(D) 67

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Electrons were discovered by...?

(A) Alarm Burg
(B) JC Bose

(C) JJ Thomson
(D) Christopher Columbus

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What is S.I unit of temperature...?

(A) Kelvin
(B) Celsius

(C) Fahrenheit
(D) None of these

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The ozone layer is at height of _________kilometers from the surface of the Earth....?

(A) 45-40 kilometers
(B) 35-40 kilometers

(C) 15-40 kilometers
(D) reflects back radio waves

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Water drops are spherical because of...?

(A) Air pressure
(B) Density

(C) Viscosity
(D) Surface tension

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Who among the following invented steam engine...?

(A) Enrico Fermi
(B) James Watt

(C) James Boyle
(D) None of these

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