The critical velocity vc = ______...?

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The critical velocity vc = ______...?

(A) gR

(B) g/R

(C) √gR

(D) √g/R

✅ Correct Answer: √gR

Comments

Source: This question is taken from the Everyday Science

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On the Moon, the escape velocity is: __________...?

(A) Less than on Earth due to its lower mass and smaller radius

(B) More than on Earth due to its smaller radius

(C) The same as on Earth because escape velocity is a constant

(D) Dependent on the time of day

✅ Correct Answer: Less than on Earth due to its lower mass and smaller radius

Comments

Source: This question is taken from the Everyday Science

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Lactometer is a type of Hydrometer which is used to measure the specific gravity of _________...?

(A) Honey

(B) Water

(C) Milk

(D) olive oil

✅ Correct Answer: Milk

Comments

Source: This question is taken from the Everyday Science

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When the angle of refraction is 90° and the refractive index for water is 1. 33, the critical angle is ______...?

(A) 48.8°

(B) 50.0°

(C) 49.1°

(D) 51.0°

✅ Correct Answer: 48.8°

Comments

Source: This question is taken from the Everyday Science

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The earth’s atmosphere is divided into layers based on the vertical profile of __________...?

(A) Air pressure

(B) Air temperature

(C) Air density

(D) Wind speed

✅ Correct Answer: Air temperature

Comments

Source: This question is taken from the Everyday Science

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A body can escape the gravitational pull of the earth if it is thrown up with a velocity of ________ miles/second ...?

(A) 35

(B) 25

(C) 12

(D) 07

✅ Correct Answer: 07

Comments

Source: This question is taken from the Everyday Science

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Numerical value of ______ remains constant every where....?

(A) g

(B) G

(C) F

(D) W

✅ Correct Answer: G

Comments

Source: This question is taken from the Everyday Science

Latest MCQs

Sun is moving around the centre of the galaxy at a velocity of _______ km/s...?

(A) 205

(B) 210

(C) 215

(D) 220

✅ Correct Answer: 220

Comments

Source: This question is taken from the Everyday Science

The critical velocity vc = ______...? Mcqs

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