Mobile Phone Convert sound into ______...? Mcqs

Latest MCQs

Mobile Phone Convert sound into ______...?

(A) Sound wave
(B) U/V waves

(C) Microwaves
(D) Radio waves

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Latest MCQs

The presence of a magnetic field can be detected by _______...?

(A) Small mass
(B) Stationary positive charge

(C) Stationary negative charge
(D) Magnetic compass

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Latest MCQs

Which colour has largest wavelength in the spectrum of white light...?

(A) Violet
(B) Green

(C) Red
(D) Blue

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Latest MCQs

According to Big Bang Theory, the Universe began about __________ billion years ago....?

(A) 10 – 20
(B) 20 – 30

(C) 30 – 40
(D) 40 – 50

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Latest MCQs

Earthquakes occur most frequently at __________...?

(A) Plate boundaries
(B) Plate surface

(C) Ocean beds
(D) All of the above

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Latest MCQs

Which statement is incorrect about chemical reactions...?

(A) States of matter does not change during chemical reactions
(B) Chemical reactions produce new substances

(C) Chemical reactions occur with the absorption or emission of energy
(D) Chemical reactions may be fast, moderate or slow

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Latest MCQs

Founder of modern astronomy was _________________...?

(A) Archimedes
(B) William Gilbert

(C) Nicolas Copernicus
(D) Michael Faraday

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Latest MCQs

Which provide instant energy...?

(A) Mineral
(B) Vitamin

(C) Carbohydrates
(D) Protein

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Latest MCQs

In modern periodic table, how many groups are there...?

(A) 12
(B) 18

(C) 7
(D) 8

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Latest MCQs

___________ is a mammal who fly...?

(A) Ostrich
(B) Bat

(C) Peacock
(D) None of these

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