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

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

(A) Beta Rays
(B) Alpha Rays

(C) Gamma Rays
(D) None of these

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What is the frequency formula...?

(A) check in details
(B) empty

(C) empty
(D) empty

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Percentage of water in an apple is__________...?

(A) 84%
(B) 90%

(C) 66%
(D) None of these

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___________ begins at 690 to 1,000 km from the surface, and extends to roughly 10,000 km....?

(A) Troposphere
(B) Mesosphere

(C) Exosphere
(D) Stratosphere

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The comparison of two values is called _____...?

(A) Ratio
(B) Proportion

(C) Graph
(D) Table

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Gland responsible for heightened emotions is...?

(A) Pituitary gland
(B) Thoiroid gland

(C) Adrenal gland
(D) None of these

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The subatomic particles arriving from outer space having high energy are called...?

(A) Protons
(B) Electrons

(C) Cosmic rays
(D) None of the above

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A chronometer meter measures ____ ...?

(A) Water waves
(B) Color contrast

(C) Time
(D) Sound waves

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If you travel to the Moon your weight will change because:...?

(A) The pull of gravity is weaker there than on Earth
(B) The pull of gravity is stronger there than on Earth

(C) The pull of space is stronger than on earth
(D) The pull of Sun is bigger than on Earth

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Which of the following is good conductor of heat but bad conduct of electricity...?

(A) Aluminium
(B) Titanium

(C) Abestos
(D) Mica

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