Escape Velocity | MCQs

    Q1: The escape velocity of a body in the gravitational field of Earth is dependent on:

    • A. Mass of the body
    • B. Angle on which it is thrown
    • C. Mass of earth
    • D. Both mass of the body and the angle at which it is thrown

    Q2: Escape velocity on Earth is 11.2 km/s. What would be the escape velocity on a planet whose mass is 1000 times and radius is 10 times that of Earth?

    • A. 11.2 km/s
    • B. 112 km/s
    • C. None of these
    • D. 3.7 km/s

    Q3: The critical velocity vc = ______?

    • A. √g/R
    • B. √gR
    • C. g/R
    • D. gR

    Q4: Relation between orbital velocity and escape velocity is?

    • A. 1/√2
    • B. 2
    • C. √2
    • D. 1/2

    Q5: Escape out of gas molecules from tiny hole is called _____?

    چھوٹے سوراخ سے گیس کے انووں سے فرار _____ کہا جاتا ہے؟
    • A. None of these
    • B. Effusion
    • C. Osmosis
    • D. Diffusion

    Q6: If the radius of the Earth is reduced to one-fourth of its original value, what will happen to the escape velocity?

    اگر زمین کا رداس اس کی اصل قدر کا ایک چوتھائی رہ جائے تو فرار کی رفتار کا کیا ہوگا؟
    • A. Doubled
    • B. Quadrupled
    • C. No change
    • D. Halved

    Q7: The escape velocity of Neptune is approximately?

    نیپچون کے فرار کی رفتار تقریباً ہے؟
    • A. 21.5 km/s
    • B. 23.5 km/s
    • C. 19.5 km/s
    • D. 25.5 km/s
✅ Correct: 0 | ❌ Wrong: 0 | 📊 Total Attempted: 0
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