The atoms of same element which have the same atomic number but different mass numbers are known as...? Mcqs

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The atoms of same element which have the same atomic number but different mass numbers are known as...?

(A) Isotopes
(B) Isoelectronic

(C) Isomers
(D) Isobars

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In which type of solar eclipse the Sun’s center is covered by the moon, leaving its edges uncovered...?

(A) Partial Solar Eclipse
(B) Total Solar Eclipse

(C) Annular Solar Eclipse
(D) None of the above

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Ethyl alcohol was prepared by ______...?

(A) Ibne-Sina
(B) Al-Razi

(C) Al-Beruni
(D) Jaber bin-Hayan

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A magnifying glass forms an enlarged ______...?

(A) Real and upright image
(B) Virtual and upright image

(C) Real and inverted
(D) Virtual and inverted image

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What do we call when the sound of frequency will be below 20 Hz...?

(A) Audio sounds
(B) Infrasonic

(C) Ultrasonic
(D) Supersonics

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The instrument used to measure temperature is called the...?

(A) Barometer
(B) Hygrometer

(C) Thermometer
(D) Spectrometer

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A narrow beam of white light passes from air into the glass and is refracted. The wave characteristic remains unchanged in its ______...?

(A) Direction
(B) Speed

(C) Frequency
(D) Wavelength

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In animal meiosis produces _____...?

(A) Gametes
(B) Zygotes

(C) Embryos
(D) Somatic cells

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A/an _______ provides an incomplete path for the current to flow through....?

(A) Open Circuit
(B) Closed Circuit

(C) Series Circuit
(D) Short Circuit

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If the material recovers the original dimensions, when an external force is removed, this deformation is known as ______ deformation....?

(A) Inelastic
(B) Permanent

(C) Elastic
(D) Irreversible

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