Twinkling of stars is caused by ...? Mcqs

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Twinkling of stars is caused by ...?

(A) Reflection of light
(B) Polarization of light

(C) refraction of light
(D) Interference of light

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Latest MCQs

Rapid back and forth movement of an object is known as...?

(A) Rotation
(B) Revolution

(C) Vibration
(D) Translation

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Gravitation force of earth is___________...?

(A) 9.80 m/s²
(B) 7.21 m/s²

(C) 1.62 m/s²
(D) None of these

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Latest MCQs

Movement of earth material as a unit along a curved surface is called...?

(A) Slump
(B) Mud out

(C) Lava
(D) None of these

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Thermal energy transfer required per unit mass to increase the temperature by 1°C or 1 K is called...?

(A) Latent heat of Vaporization
(B) Specific heat capacity

(C) Latent heat of fusion
(D) Thermal capacity

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All electromagnetic waves travel through a vacuum at ______...?

(A) The different speed
(B) The same speed

(C) The increasing speed
(D) The decreasing speed

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What is the range of a clinical thermometer on the Fahrenheit scale...?

(A) 0°F to 100°F
(B) 95°F to 108°F

(C) 32°F to 212°F
(D) 50°F to 150°F

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As a result this flow of energy from a region of high temperature to a region of low temperature is...?

(A) The warmer materials cool down and cooler materials warm up
(B) The warmer materials become warmer and the cooler materials become cooler

(C) The temperature remains the same
(D) The energy is lost forever

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Atmosphere is held in place by...?

(A) Pressure of the planetary body
(B) Gravity of the planetary body

(C) Charge of the planetary body
(D) Heat of the planetary body

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Segmented Worms take breath through:_________...?

(A) Mouth
(B) Nose

(C) Moist Skin
(D) Head

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