Short-sightedness can be corrected by using ___________...? Mcqs

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Short-sightedness can be corrected by using ___________...?

(A) Convex lens
(B) Concave lens

(C) Convex-concave lens
(D) Concave-convex lens

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The audible range of normal cat ear is _______...?

(A) 10 Hz to 31kHz
(B) 67 Hz to 45kHz

(C) 20 Hz to 20kHz
(D) 45 Hz to 64kHz

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Silicon is an example of ______...?

(A) Conductor
(B) Insulator

(C) Resistor
(D) Semiconductor

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The ISS (International Space Station) orbits Earth about once every...?

(A) 60 minutes at an altitude of about 400 km
(B) 60 minutes at an altitude of about 500 km

(C) 90 minutes at an altitude of about 400 km
(D) 90 minutes at an altitude of about 500 km

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The coldest region of the Earth’s atmosphere is__________...?

(A) Exosphere
(B) Thermosphere

(C) Stratopause
(D) Mesopause

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Which of the following is not a waterborne disease...?

(A) Cholera
(B) Amoebiasis

(C) Typhoid
(D) Influenza

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The two elements that are frequently used for making transistors are :...?

(A) Boron and aluminium
(B) Silicon and Germanium

(C) Iridium and Tungston
(D) None of these

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How many latitude lines are there...?

(A) 90
(B) 180

(C) 270
(D) 360

Latest MCQs

In which of the following, the speed of sound is minimum...?

(A) Brick
(B) Air

(C) Lead
(D) Copper

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In an acidic medium, methyl orange is orange (red) and in a basic medium, it is...?

(A) Red
(B) Yellow

(C) Pink
(D) Blue

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