What are the primary colors of Light...? Mcqs

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What are the primary colors of Light...?

(A) White, Black, Blue
(B) Red, Yellow, Blue

(C) Red, Orange, Blue
(D) Red, Green, Blue

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Instrument used for measuring very high temperature is __________...?

(A) Pyroscope
(B) Pyrometer

(C) Seismograph
(D) Xylometer

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the delicate lungs are protected by a cage that is called ______...?

(A) luvcage
(B) Ribcage

(C) both A & B
(D) None of these

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Biological method involves all of the following except...?

(A) Data collection
(B) Observation

(C) Experiment
(D) Proportion

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ICT stands for what...?

(A) Information and communication techniques
(B) Internet and communcation television

(C) Internet communication tool
(D) Information and communication technology

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UV light falls in the category of___________...?

(A) Ionizing Radiations
(B) Non Ionizing Radiation

(C) Visible light
(D) None

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When light strikes an opaque object, the light is blocked, thus a ________ is formed on the opposite side of the object....?

(A) Reflection
(B) Refraction

(C) Image
(D) Shadow

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Which among the following is responsible for producing color of human skin ___...?

(A) Insulin
(B) Vitamin K

(C) Melanin
(D) DNA

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Dioptre is used to measure ...?

(A) Lens refractive power
(B) Luminous intensity

(C) Power
(D) Distance of heavenly bodies

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The electricity we used in our homes and schools is called...?

(A) Electric Potential (EP)
(B) Electric Resistance (ER)

(C) Direct Current (DC)
(D) Alternating Current (AC)

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