What is the mass of the Sun...? Mcqs

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What is the mass of the Sun...?

(A) 1.5×10 Power 30 Kg
(B) 1.98×10 Power 30 Kg

(C) 4.5×10 Power 30 Kg
(D) 8×10 Power 30 Kg

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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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Heat capacity is the product of mass and _______...?

(A) Boiling point
(B) Freezing point

(C) Energy
(D) Specific heat of material

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What is the method that kills harmful microorganisms and prevents the spread of waterborne diseases such as cholera, dysentery, and typhoid...?

(A) Filtration
(B) Sedimentation

(C) Chlorination
(D) Distillation

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Which one of the following substances traps sunlight...?

(A) Cellulose
(B) Chlorophyll

(C) Cytoplasm
(D) Cell sap

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The SI base unit for mass is_____________...?

(A) Gram
(B) Pound

(C) Kilogram
(D) Ounce

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Law of conservation of mass was given by ____...?

(A) Antoine Lavoisier
(B) Joseph Black

(C) Mikhail Lomonosov
(D) Jean Stas

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Mass spectrograph was Invented by...?

(A) Rutherford
(B) Chadwik

(C) F.W.Aston
(D) None of these

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When sound waves travel from air to water which of the following quantities remains unchanged...?

(A) Speed
(B) Frequency

(C) Intensity
(D) Wavelength

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Which of the following mass wasting phenomenon could a person outrun...?

(A) A person could not outrun any of these phenomena
(B) Creep

(C) Avalanche
(D) None of these

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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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An atom has atomic number 16 and mass number 32, the number of protons is...?

(A) 32
(B) 14

(C) 16
(D) 18

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Anything that occupies space and has mass is called...?

(A) Mass
(B) Force

(C) Volume
(D) Matter

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Root hair is long, thin and tubular structure, it increases surface area which increases the _____...?

(A) Rate of absorption of water
(B) Rate of photosynthesis

(C) Rate of respiration
(D) Rate of growth

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NASA’s Mars rover, __________ , has been exploring Mars since 2012....?

(A) Diversity
(B) Serenity

(C) Curiosity
(D) Divinity

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Which of the following remains suspended to form sand and water mixture...?

(A) Gas
(B) Plasma

(C) Liquid
(D) Solid

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What is the substance that causes undesirable change to the environment...?

(A) Climate Change
(B) Pollution

(C) Pollutant
(D) None

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