Which among the following is a positively charged particle emitted by a radioactive element...? Mcqs

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Which among the following is a positively charged particle emitted by a radioactive element...?

(A) Beta rays
(B) Alpha Rays

(C) Gamma rays
(D) Cathode rays

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The coldest planet of solar system is...?

(A) Venus
(B) Earth

(C) Uranus
(D) Pluto

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The inner core of an optical fiber is __________ in composition...?

(A) Glass or plastic
(B) Copper

(C) Bimetallic
(D) Liquid

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Law of magnet induction was proposed by:...?

(A) Michael Faraday
(B) Ernest Rutherford

(C) Clerk Maxwell
(D) Niels Bohr

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One BTS is equal to...?

(A) 550 Joules
(B) 1055 Joules

(C) 1550 Joules
(D) None of these

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Thomas Edison is famous for his invention of:...?

(A) Telephone
(B) Television

(C) Light Bulb
(D) None of these

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When light passes from one medium to another, this phenomenon of change in its direction is called:...?

(A) Refraction
(B) Reflection

(C) Diffraction
(D) Propagation

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Which is the largest volcano of the world...?

(A) Mauna Loa
(B) Mauna Kea

(C) Mount Etna
(D) None of these

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Water drops are spherical because of...?

(A) Air pressure
(B) Density

(C) Viscosity
(D) Surface tension

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Matarba Falak in Urdu refers to which planet...?

(A) Venus
(B) Mars

(C) Jupiter
(D) Mercury

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