In an oil lamp, the oil rises up in the wick due to...? Mcqs

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In an oil lamp, the oil rises up in the wick due to...?

(A) Capillary action
(B) Atmospheric pressure

(C) Viscosity of oil
(D) Change in temperature

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How many coloumns in the modern Periodic Table...?

(A) 17
(B) 18

(C) 19
(D) None of these.

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The fundamental frequency of a guitar is string 220 Hz, the frequency of the second harmonic is...?

(A) 220 Hz
(B) 440 Hz

(C) 320 Hz
(D) 620 Hz

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Which of the following is liquid fuel ...?

(A) Patrol
(B) Kerosene

(C) Paraffin oil
(D) All of above

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The camel has a special water storage space in its...?

(A) Stomach
(B) Hump

(C) Liver
(D) None

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Which of the following is an example of a solution...?

(A) Sand and water
(B) Oil and water

(C) Sugar and water
(D) Salt and air

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Which of the following statements is true when we see ‘rainbow’ ...?

(A) We face sun and raindrops
(B) The Sun remains behind us and we face raindrops

(C) In light rainfall, we face Sun
(D) The sky remains clear and the sun is at lower position in the sky

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Which of the following is a homo atomic...?

(A) H2
(B) NH3

(C) H2O
(D) CO2

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Potassium nitrate is used in__________...?

(A) Medicine
(B) Fertilizer

(C) Salt
(D) Glass

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Max Planck received the noble prize in Physics in 1918 for his discovery of ...?

(A) electron
(B) energy quanta

(C) photon
(D) positron

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