A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to____________...? Mcqs

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A tight-rope walker carries a long pole which he holds across his body. The purpose of this pole is to____________...?

(A) Prop him up if he falls
(B) Spread out his weight and reduce the pressure on the rope

(C) Add extra weight to keep the rope tightly stretched
(D) To keep the centre of gravity always vertically above the rope

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Who gave the idea of law of inertia...?

(A) Dalton
(B) Galileo Galilei

(C) Bacon
(D) Einstein

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When parallel rays of light fall onto rough surface they are reflected in different directions and are scattered is called _____...?

(A) Regular Reflection
(B) Specular Reflection

(C) Diffused Reflection
(D) None

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Saliva contains__________...?

(A) Amylases
(B) Bite

(C) Trypsin
(D) None of these

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What is the unit for the spring constant...?

(A) Nm
(B) Nm^-2

(C) Nm^-1
(D) Nm^2

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A Fahrenheit thermometer indicates a temperature of ‘ 14°F. its corresponding reading on the Celsius scale will be _________...?

(A) – 2O°C
(B) – 10°C

(C) + 10°C
(D) + 20°C

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Which planet takes 4332 days to complete one revolution...?

(A) Earth
(B) Mars

(C) Jupiter
(D) Mercury

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The solar wind can reach speeds of up to...?

(A) 600 km/s
(B) 700 km/s

(C) 800 km/s
(D) 650 km/s

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A device that opposes the flow of electrons in electronic circuits is called...?

(A) Transformer
(B) Diode

(C) Transistor
(D) Resistor

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Water waves pass from deep into the shallow region and are then refracted. The characteristics of waves which will remain constant is _____...?

(A) Direction
(B) Frequency

(C) Speed
(D) Wavelength

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